OSHA 30
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
