OSHA 30

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The definition of type C-60 soil is provided by manufacturers to allow the competent person an opportunity to use vertical shores or...

True

The weight of a bundle of joist bridging shall not exceed a total of 1,000 pounds.

True

Scaffold frames must be pinned or secures together whenever

A, B & D above

When you can't avoid lifting or carrying, which of these should you do?

A, C, and D

During steel assembly, shear connectors will be installed _______ metal decking is in place.

After

Which of the following are common soil classification tests?

All except C

Do not perform maintenance on a conveyor until:

All hazardous energies are disconnected and blocked

To be classified as Type A, the soil cannot be:

All of the Above

A Hot Work Permit:

All of the above

A Personal Fall Arrest System consists of:

All of the above

A common visual test is to:

All of the above

A hazardous substance on a job site requires:

All of the above

A soil cannot be Type A if it is:

All of the above

An annual inspection of each crane:

All of the above

An important feature of a hot work permit includes which of the following?

All of the above

Arc welding doesn't include which of the following:

All of the above

Before you begin to fight a fire make sure:

All of the above

Cement and concrete dust can be a hazard to a workers:

All of the above

Columns must be equipped with vertical stabilizer plates:

All of the above

Dos and Don'ts of gas welding and cutting include which of the following?

All of the above

Employees may be exposed to which of the following during site clearing operations where precautions should be implemented if harmful exposures potentially exist:

All of the above

Exemptions to the Steel Erection Standard are:

All of the above

For Jack Hammers and Chipping guns, use:

All of the above

Information about ingredients, hazards and safe work practices of cement and concrete products can be found:

All of the above

It is important before welding and hot work to remove coating along the line of the weld such as ______________ to prevent the release of toxins.

All of the above

Motor Vehicles operating within an off highway job site need to have an operable condition:

All of the above

Must be provided and used when inflating, mounting, or dismounting tires installed on split rims, or rims equipped with locking rings or similar devices.

All of the above

No employee shall be permitted to enter storage facilities unless the ejection system has been:

All of the above

On the site, OSHA requires

All of the above

PFE

All of the above

Rigging Assembly must be rigged

All of the above

Roles of Emergency Response Emergency Team members may include:

All of the above

Safety nets must be installed no more than 30 feet below the walking/working surface whenever:

All of the above

What kind of testing is required before entry into a confined space?

All of the above

When debris cannot be handled by chutes, the material may be dropped into a designated area. What is needed if this is done?

All of the above

Which of the following are forklift rules of the road?

All of the above

Which of the following is a welding hazard?

All of the above

Which of the following is true of a CDZ:

All of the above

Which of the following is incorrect with respect to chemical storage on a job site?

Always store in occupied buildings

In layered soils, which layer has the most critical influence on the slope of the excavation?

Bottom layer

Vehicles used to transport employees, must:

C and D only

A colorless and tasteless gas that cannot be readily detected by the senses.

Carbon monoxide

Daily inspections need to include:

Checking of the wire rope for damage or "caging"

A multiple lift rigging assembly manufactured by wire rope rigging suppliers is known as

Christmas Treeing

"Clean as you go" is a term used to describe all the following except.

Clean up debris only after you Go to the next job

The raised fame, as around a hatchway in the deck, to keep out water.

Coaming

A ______________________ or control switch cuts off power to the machine when pressure is released.

Constant-pressure

The tag in the lockout tag out procedure must read:

"Do Not Start" or something similar

Masonry wall construction that is more than 8 feet and unsupported:

Must be braced

Cylinders may be used as rollers or supports when?

Never

Tebulat Welded Frame Scaffold Frames may be installed without feet or jacks

Never

Under Federal OSHA, surfing (self-propelling) on a rolling scaffold is allowed on construction job sites:

Never

Unstable objects may be used to support scaffold legs:

Never

Arc welding cables in need of repair must _____________.

Not be used and effectively repaired by a qualified person or effectively disposed of

Activity which depends on the heat produced by the combustion of a fuel gas in the presence of oxygen

Oxygen and fuel gas welding

A highly active form of oxygen that can cause great irritation to all mucous membranes.

Ozone

Construction loads should not be placed on a concrete structure or portion of a concrete structure unless it has been determined safe to do so by a:

Person who is qualified in structural design

Welders helmets and respirators are examples of what type of controls?

Personal Protective Equipment

Inspect your forklift and read instructions:

Prior to use

Whenever practicable, all arc welding and cutting operations must be shielded by noncombustible or flameproof screen which will _____________

Protect workers from the direct rays of the arc

Each job site should be evaluated by _______ before work begins and frequently during project for fire hazards.

Qualified or competent person

A defining feature of Stable Rock is that it will:

Remain intact while exposed

Fumes and gases enter the body through the _________ and effect the lungs directly

Respiratory system

SDS is an acronym for which of the following?

Safety Data Sheet

Prior to disposal of waste material you must determine the proper method of disposal and personal protective equipment. Always consult the ______________ for all materials prior to disposal...

Safety Data Sheet or SDS

When using pneumatic tools, a ________ must be installed to prevent attachments from being ejected during tool operation:

Safety clip

If an air hose is greater than 1/2 inch in diameter, a ________ must be installed:

Safety excess flow valve

Frame scaffolds which exceed 4 times their narrowest bade dimension shall be:

Secured to the building

Masonry saw shall be guarded with a:

Semicircular enclosure over the blade

What should be consulted for cranes and derrick selection and placement

Site-Specific Erection Plan

Each of the following is true of accumulating water hazards EXCEPT:

Special supports or shields are not allowed

Training must be each of the following EXCEPT:

Sporadic

Required for the leads to prevent the hammer from being raised against the head block.

Stop blocks

Above the heavy line crossing the load chart are values for failure in:

Structure

The forklift operator should know weight of materials to be moved, limitations of equipment and load capacity chart. The operator should also ensure that:

Surfaces are level, free of hazards, and designed to withstand load.

Fall protection must be worn to place or tie reinforcing steel when working above Federal and State specific height limits

True

Fissures are small cracks of stress in an exposed surface.

True

If a crane contacts a power line, the operator should normally stay in the cab until power has been de-energized.

True

If any deficiency on a crane inspection is identified, an immediate determination by the competent person must be made whether the crane must be shut down until repairs are made.

True

Muzzle end of the powder-actuated tool must have a protective shield of guard that will not allow the tool to operate unless depressed.

True

OSHA requires fire prevention be taken when hot work on walls, floors and ceilings...

True

Rolling scaffolds must be inspected by a competent person daily before use.

True

Routers, planers, laminate trimmers sheers, and jig saws, may be equipped with positive "on-off" control.

True

Training must include procedures for erecting, maintaining, disassembling, and inspecting fall protection systems.

True

Trucks with dump bodies must be equipped with positive means of support, permanently attached, and capable of being locked in position...

True

Under no circumstance must any employee who is not essential to the jacking operation be permitted immediately beneath a slab while it is being lifted.

True

Wet concrete or mortar trapped against the may cause first, second, or third degree burns or skin ulcers.

True

When placing solid web members for beams/columns, the load shall not be released until the members are secured with at least two bolts per connection.

True

When using a hand-held Portable Grinder with the hard wheel in operation, the guard must be in place.

True

When working on barges, OSHA specifically requires that deck and other working surfaces be maintained in a safe condition.

True

Work from water towers and tanks is exempt from the Steel Erection Standard.

True

Subpart R contains numerous references to Tables A and B. These tables refer to erection bridging requirements associated with short and long span joists, and can be found in:

Within the standard in Subpart R

Fuel gas and oxygen hoses must be:

Easily distinguishable from each other

Hot electrode holders must not be dipped in water by the welder or cutter because doing so may expose the worker to _____________.

Electric shock

All scaffold users must be trained in the following areas:

Electrical safety, fall protection, scaffold loads, and falling object protection

As a rule, grabs, hooks, spreader-bars, or any other rigging attachments should have a lifting capacity ________ of the sling being used.

Equal to or greater than that

Welding, grinding, soldering, flame cutting and similar work is called:

Hot work

When welding or cutting in locations with combustibles and flammable materials it is recommended to have a ____________.

Hot work permit issued by the welding supervisor or other qualified person

Synthetic slings should be inspected by a competent person for abnormal wear, powdered fiber between strands, broken or cut fibers and much more. What should also be permanently affixed to the sling?

ID tag stating size, grade, rated capacity and manufacturer

If you are using sheeting with aluminum hydraulic shoring, what do we know about the shores, or wales?

They are installed horizontally

Each of the following is true of underground installations EXCEPT:

They must be removed

When a vertical face of a trench shears along a tension crack line, it is known as:

Toppling

Boiling is an upward water flow into the bottom of the cut.

True

Heaving or squeezing can occur even when shoring or shielding has been properly installed.

True

Placing a shield between the side of an excavation and the work area can minimize the risk in the event of a cave-in.

True

Shoring and shielding can be custom-built from tabulated data approved by a registered professional engineer.

True

The "adjacent area" is area on either side of the trench cut equal to the depth of the trench.

True

The Thumb Penetration Test is subjective and the least accurate test.

True

The decision whether to use sheeting with aluminum hydraulic shoring depends primarily on the soil type you have.

True

If you have a trench greater than 20 feet deep:

You must use a Registered Professional Engineer

The depth at which an excavation needs attention from a registered professional engineer is:

20 feet

The error rate of the pocket penetrometer is between 20% and:

40%

Walkways must have handrails when at ________ or more above lower level.

6 feet

Shoring is covered in the OSHA standards subpart P:

A and B only.

After safety-related modifications have been made to crane equipment, the equipment must be inspected by __________ prior to use.

A qualified person

Before starting work, prevent accidents by:

All of the above

The struts of a screw jack system must be adjusted manually, which creates a hazard because the worker is required to:

Be in the trench in order to adjust the strut

When stacking trench boxes:

Both A and C

Hoists shall be inspected:

Daily, prior to use

Soil Types A, B, and C, are ranked in ________ order of stability:

Decreasing

The most important distinction between Stable Rock/Types A&B and Type C is:

Degrees of stability

One advantage to using shoring tables is not having to determine the soil type.

False

Type B soils afford afford how many options of protection?

Four

A surface encumbrance is anything that could create a ___________ in or around a trench.

Hazard

A "slippery sheet" is a potential characteristic of:

Layered systems

Lumber must not be stacked any higher than:

20 feet with mechanical equipment, 16 feet when stacked manually

When inspecting a wire rope sling, you find that seven wires in one strand are broken. What should you do?

A and C

During steel assembly, the employer shall ensure that the weight of a bundle of joist bridging shall not exceed a total of:

1,000 lbs

OSHA specifies that for over-head powelines rated 50 kV. or below, minimum clearance between the lines and any part of the crane or load must be:

10 feet

Guardrails, midrails and toe boards are required on all scaffolds

10 feet or higher

The maximum distance between the last plank in a fully planked platform on a fixed width tubular welded frame scaffold and the outside of the frame in:

10 inches

Cranes must maintain a minimum of ____ feet away from power lines:

10'

Flammable liquids have "flash points" below:

100 degree Fahrenheit

All earthmoving equipment must have a service braking system capable of stopping and holding the equipment when:

100% fully loaded

Connectors between ____ and ____ feet high must wear fall arrest or restraint equipment:

15, 30

Falls from scaffolds represent what percentage of all fall fatalities

17

Safety guards used on portable grinders are allowed a maximum exposure angle of ________ degrees.

180

A positioning device system must limit free-fall distance to no more than:

2 feet

Deckers ina Controlled Decking Zone must be protected at heights greater than:

2 stories

Lifting inserts that are embedded or otherwise attached to tilt-up wall panels must be capable of supporting at least __________

2 times

Standards for safety can be found in:

29 CFR 1926 Subpart CC

In most cases, Type A soil can be sloped up to:

3/4 to 1

Ig powder-actuated tools misfires, hold it in operating position for at least _______ seconds before re-firing:

30

One of the fundamental general safety guideline with respect to hot work is to keep the work area clear of combustibles for at least ____________ from the hot work area.

35 feet

A rolling scaffold cannot exceed ______ times its narrowest dimensions unless it is secured to a structure

4

The top rail of a guardrail system must be within plus or minus 3 inches of _____ inches in height:

42

A powder-actuated tool must not be able to operate until it is pressed against a work surface with a force of at least ______ pounds greater than the total weight of the tool.

5

Rigging components must have a ____ to-1 safety factor.

5

Structural steel, poles, pipe, bar stock, and other cylindrical materials, unless racked, shall be stacked and blocked...

5 feet

For Steel Assembly, there should not be more than _____ stories between the erection floor and the uppermost permanent floor:

8

A pre-work shift visual inspection of cranes must be performed by

A competent person

Operating levers controlling hoisting or dumping devices on haulage bodies must be equipped with:

A latch/device to prevent accidental starting or tripping

Heavy machinery, equipment, or parts which are suspended or held aloft by use of slings, hoists, or jacks must be ______________ to prevent falling or shifting before employees are permitted to work under or between them.

A or B above

Employees must wear protective head and face equipment when:

Applying cement, sand, water mixture through pneumatic hoses

The area along the waterfront edge of the pier or warf

Apron

Process in which metals are fused together by heating them with electricity that is generated between an electrode and the surface of the base metal.

Arc welding

The most common and simplest type of welding today is ____________.

Arc welding

Scaffolds frames may be used as a means of access only if they:

Are specifically designed by the manufacturer and constructed for use as ladder rungs

Steam hoses leading to a steam hammer or jet pipe must be securely attached tp the hammer with an adequate length of ___________...

At least 1/4 inch diameter chain or cable

Scaffold plates on which feet or jacks rest must be a minimum of:

B & C above

OSHA-identified components of a site specific erection plan include:

B and C only

Common injuries resulting from handling materials include:

Back injuries, crushing injuries, cuts & lacerations

Scaffolds must bear on adequate firm foundations such as

Base plates set on mud sills

Pneumatic-tired earth moving equipment whose maximum speed exceeds 15 mph, must

Be equipped with fenders on all wheels

Bulk storage bins, containers, and silos shall be equipped with:

Both A & B

The type of weld used is normally determined by ___________.

Both A & B

When using hand trucks, dollies, or carts:

Both A & B

Determination to remove forms and shores in based on:

Both A and B

Flammable/Combustible hazards should be:

Both A and B

Never allow materials, suppliers or obstructions to block?

Both A and B

Scaffolds and scaffold components must be inspected for visible defects by a competent person:

Both A and B

An investigative tool used to characterize the nature and extent of contaminants in air and to determine whether contaminant sources affect a workers air quality.

Both B and C

Gas welding cylinders should be stored and secured in:

Both B and C

Those who work on a crane or near crane operations must be trained. Which of the following is true for this training?

D. All of the above

A clean organized job site is a key component of a safe job site...Work areas shall be inspected _______ for adequate housekeeping.

Daily

Must be provided on spur railroad tracks where a rolling car could contact other cars being worked, enter a building, work or traffic area.

Derail and/or bumper blocks

Frame Scaffolds exceed 125 feet shall be

Designed by an engineer

A person can ride on a rolling scaffold while it is being moved as long as the scaffolds more than 4 times higher than the narrowest base dimension.

False

Dry concrete or cement dust is not as hazardous as new wet cement because it has cured.

False

Employees must not be permitted to work under concrete buckets except when wearing a hard hat

False

First aid treatment and planning is only necessary if emergency medical care is more than 30 min from the job

False

It is alright to remove the third "grounding" prong on a male plug to fit the plug into a two-pronged receptacle.

False

Job-built trench boxes are never allowed in construction.

False

Mixed oak timbers have a greater bending strength per square inch than Douglas fir.

False

OSHA requires that the competent person perform two visual and two manual tests on a soil sample fresh out of the ground and not impacted by weather conditions at the site.

False

Rolling scaffolds designed by a registered professional engineer can be built as high as 125 feet

False

Time and weather are not major influences in soil stress.

False

Water is the best extinguishing agent to put out a Class C fire.

False

Found in the coatings of several types of fluxes used in welding.

Fluorides

_____________ must be designed, fabricated, erected, supported, braced, and maintained so that it will be capable of supporting without failure all vertical and lateral loads.

Formwork

Load charts must:

Indicate rates lifting capacity and be visible to operator

When steel tube piles are being "blown out", employees must be:

Kept well beyond the range of falling materials

To transport or lift materials with a crane; slings, chains, grabs, shackles, and/or ropes are considered part of the:

Lifting system

A __________ ______________ ___________ must be established prior to masonry wall construction.

Limited Access Zone

Emergency Response Plan contents should include all of the following except:

Location of Labor Commissioners office

Conveyor systems present many hazards when in operation. However, when shut down for maintenance, what is especially important?

Lockout and tagout the system

The loading, unloading, moving, or handling of construction materials, equipment and supplies, into, in, on, or out of any vessel from a fixed...

Long-shoring

Recent NOISH studies have led them to recommend that injuries and deaths could be prevented through wider use of all of the following "except":

More sleep

During steel assembly, the total weight of a bundle of decking should not exceed 4,000 lbs.

True

Who is responsible for safe site layout?

The controlling contractor

When vertical shores are used, there must be a minimum of ________ shores spaced equally, horizontally, in a group.

Three

Which crane has the ability to be "jacked-up" as needed?

Tower

A constant pressure switch is also required for all hand-held power drills, fasteners, grinders

True

All bidirectional machines such as rollers, compactors, front end loaders, bulldozers, and similar equipment, must be equipped with a horn, distinguishable from the surrounding noise level.

True

All hoisting operations must be pre-planned to ensure that loads are not hoisted over workers.

True

Any overhead wire must be considered to be an energized line UNLESS and UNTIL person owning line or electrical utility...

True

Cross bracing may be used as a midrails or top rail depending upon the hight at which the rail center sits in relation to the platform

True

During pile driving operations, steam line controls must consist of two shutoff valves...

True

Aluminum hydraulic shores are usually installed _________ in Type A soil.

Vertically

In the arc welding process, eye exposure to intense visible light is prevented for the most part by the _____________.

Welder's helmet

Warning systems for Mobile Equipment include barricades, hand signals, stop logs.

True

What is the minimum distance allowed between a spoils pile and trench's edge?

Two feet

If cracked, fissured, vibrated, or otherwise disturbed, soil is not:

Type A

Which soil type is the most common?

Type B

Each of the following is true for an operator who needs the leave a suddenly energized crane EXCEPT:

Walk to safety in a zigzag pattern

Which of the following statements is true of kickout?

All of the above

An increase or a decrease in moisture can both damage trench stability.

True

"Free-seeping" soil is considered submerged soil.

True

Establishing eye contact with your equipment operator is a general safety principle when working outside the working radius.

True

Shores must be pumped to a minimum pf 750 pounds of pressure but more is recommended.

True

If using a trench box in combination with sloping or benching the box should extend at least ______ above the adjacent slope.

18 inches

Earth excavation to a depth of ___ ft below the shield is permitted.

2

In type C soil, the angle of repose is very low; how many degrees must the angle be?

34 degrees

A cubic yard of soil can weigh as much as:

A small pickup truck

An unsupported excavation can create an unbalanced stress, causing:

All of the above

Hoists shall be:

All of the above

Pocket Penetrometers are:

All of the above

Stable Rock:

All of the above

When exposed to vehicular traffic, your evacuation site must have:

All of the above

When using a ladder in a trench, it must be:

All of the above

When vibrated, the cohesive material in wet soil will:

All of the above

Which are properties of cohesive soil:

All of the above

Trench boxes don't prevent cave-ins, but do protect people.

True

Type C Soils are rated at below 0.5 tsp (tons per square foot).

True

A competent person must inspect all excavations, adjacent areas, and protective systems daily, ____________, and as needed throughout the shift.

Before work begins

Inspection of hoists should include:

Both A & B (Hooks & Safety latches)

Which of the following are common causes of material handling injuries?

Both A & C

Overexertion is the #1 cause of workplace injuries. Overexertion is caused by excessive effort or force when:

Both B & C

You must move a heavy compressed gas cylinder about 50 feet. There is no cart or dolly nor any lifting equipment. What should you do?

Both B & C

Given Type A soil, dry conditions and a 40-ton piece of equipment near the edge of the trench, what do we know?

Both B and C

Certain inspections of crane equipment may be made by a(n) ___________ person; however, crane inspections are typically required to be made by a(n) __________ person.

Competent, qualified

Selection of size and spacing of Shoring members are based on height and width of trench.

False

Tension cracks are rarely a sign of imminent trench failure.

False

Shoring:

Is any mechanical system used to prevent collapse of an excavation.

To lift loads safety, you should bend your body at the:

Knees

Being dangerously close to a falling load is:

Not allowed

Each of the following is Type B soil EXCEPT:

Sand

All surface encumbrances must be removed or supported within:

The zone of influence

When using trench boxes, why is the space between the box and trench wall backfilled?

To prevent lateral movement of the box

A hand-sized sample of cemented soil can't be crushed into a powder.

True

A soils are usually clays and cemented soils such as caliche and hardpan.

True

Which of the following variables is not considered in the timber shoring tables found in appendix C?

Slope of excavation

Under OSHA construction requirements for crane and derricks, when a crane operator is employed by a company, who must pay for the crane operator's certification?

The crane operator's employer

All systems have a seat of manufacturer's tabulated data to be used for proper design and installation of the equipment.

True

Aluminum hydraulic shoring permits both installation and removal without entering the trench

True


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