CEM 326 - Construction Safety - Final Exam

Whenever materials are dropped more than ____ to any point lying outside the exterior walls of the building, a chute constructed of wood or equivalent materials shall be used.

20 feet

Material stored inside of buildings under construction shall not be placed within _____ of any hoistway or inside floor opening. Such material shall also be kept at least ____ from an exterior wall that does not extend above the top of the material stored.

6 feet.....10 feet

____ and ____ must be kept clear to provide for ready access and safe movement of employees of material handling equipment.

Piles and passageways

At what depth must a ladder, ramp, steps, or runway be present for quick worker exit: a. 4 feet b. 5 feet c. 10 feet d. It is never required

a. 4 feet

Which of the following statements about guarding techniques is true? a. Guard the point of operation, in-running nip points, and rotating parts of tools. b. Remove guard from tool while it is in use, then replace when the job is completed. c. Adjust guard on abrasive wheel to allow maximum exposure of the wheel surface. d. Wear PPE because guards will not protect operator from flying chips and sparks or moving parts of tool.

a. Guard the point of operation, in-running nip points, and rotating parts of tools.

Determine which employee(s) is/are permitted to work under concrete buckets while buckets are being elevated or lowered into position. a. No employee b. Only that/those employee(s) assigned to open the concrete bucket and dump the concrete c. Only that/those employee(s) guiding the concrete buckets whike they are being elevated or lowered into position d. Any of the above

a. No employee

Which of the following is a method for eliminating or reducing crane operation hazards? a. Operators should know how much they are lifting as well as the rated capacity of the crane. b. A competent person should visually inspect the crane once a year. c. Never exceed the load limit by more than 10%. d. All of these.

a. Operators should know how much they are lifting as well as the rated capacity of the crane.

Which of the following actions may expose workers to electrical shock hazards and should be avoided? a. Removing the grounding pin on a three-prong plug b. Using double-insulated tools c. Using a grounded adaptor to accommodate a two-prong receptacle d. Removing damaged tools from service and tagging them "Do Not Use"

a. Removing the grounding pin on a three-prong plug

Materials stored in tiers shall be stacked, racked, blocked, interlocked, or otherwise secured to prevent sliding, falling, or collapse. a. True b. False

a. True

No employee shall be permitted to perform maintenance or repair on equipment (such as compressors, mixers, screens, or pumps used for concrete and masonry construction activites) where the inadvertent operation of the equipment could occur and cause injury, unless all potentially hazardous energy sources have been locked out and tagged. a. True b. False

a. True

Stairways that have four or more risers MUST have a stair rail. a. True b. False

a. True

All protruding reinforcing steel, onto and into which employees could fall, must be ___ to eliminate the hazard of impalement. a. guarded b. isolated c. protected d. tagged

a. guarded

How many sections are required on an SDS? a. 11 sections b. 16 sections c. 4 sections d. As many as necessary to convey understanding

b. 16 sections

How old do you have to be to operate a forklift, regardless of training? a. 16 years old b. 18 years old c. 21 years old d. 25 years old

b. 18 years old

What is the minimum distance that excavated materials, tools, and other supplies be kept back from the excavation's edge? a. 1 foot b. 2 feet c. 7.5 feet d. 25 feet

b. 2 feet

When portable ladders are used for access to an upper landing surface, how many feet above the upper landing must the side rails extend? a. 2 feet b. 3 feet c. 4 feet d. 5 feet

b. 3 feet

Which of the following is NOT an example of proper access? a. Ladders b. Crossbraces c. Stair towers d. Walkways

b. Crossbraces

You can use metal ladder around power lines or exposed energized electrical equipment. a. True - but only if there isn't any other option to get the work done. b. False - you should never use a metal ladder in this circumstance.

b. False - you should never use a metal ladder in this circumstance.

Handrails must be able to withstand, without failure, how many pounds of weight applied within 2 inches of the top edge in any downward or outward direction? a. 300 pounds b. 250 pounds c. 200 pounds d. 175 pounds

c. 200 pounds

All masonry walls over ___ in height must be adequately braced to prevent overturning and to prevent collapse unless the wall is adequately supported so that it will not overturn or collapse. The bracing must remain in place until permanent supporting elements of the structure are in place. a. 4 feet b. 6 feet c. 8 feet d. 10 feet

c. 8 feet

The limited access zone must remain in place until the wall is adequately supported to prevent overturning and collapse unless the height of the wall is over ___, in which case, the limited access zone must remain in place until the applicable requirements have been met. a. 4 feet b. 6 feet c. 8 feet d. 10 feet

c. 8 feet

Unless made in entirely stable rock, at what depth is a protective system required for a trench: a. Any depth if the competent person says so. b. 5 feet deep and greater c. Both a and b d. A protective system is never required in trenches

c. Both a and b

What is the greatest hazard facing a worker while working in a trench: a. Hazardous atmospheres b. Falls c. Cave-ins d. Falling Objects

c. Cave-ins

Employers must satisfy all of the following requirements, except: a. Provide PPE necessary to protect employees who are operating hand and power tools and are exposed to hazards. b. Comply with OSHA training and inspection standards related to hand and power tools. c. Determine which manufacturer's requirements and recommendations for a tool shall be followed or ignored. d. Do not issue or permit the use of unsafe hand tools.

c. Determine which manufacturer's requirements and recommendations for a tool shall be followed or ignored.

**NOT ON FINAL** Which of the following statements is true of the pictograms on HCS labels? a. Pictograms on HCS labels are identical to those used on DOT transport labels and may have various background colors. b. Consist of four bars that are color-coded as blue, red, yellow, and white to match hazard. c. HCS pictograms are required and standardized red square-on-points with black hazard symbols and white backgrounds. d. All of the Above

c. HCS pictograms are required and standardized red square-on-points with black hazard symbols and white backgrounds.

An area alongside a masonry wall under construction that is clearly demarcated to limit access by employees best defines which of the following? a. Controlled Access Zone b. Controlled Employee Zone c. Limited Access Zone d. Qualified Employee Access Zone

c. Limited Access Zone

Scaffolds must be designed by a ___. a. Competent person b. Construction site manager c. Qualified person d. Experienced scaffold worker

c. Qualified person

Which of the following is an example of an unsafe practice regarding the use of tools? a. Keeping cutting tools sharp b. Wearing eye and face protection while operating a grinder c. Using a screwdriver to carve or cut wood d. Following manufacturer's instructions when using a tool

c. Using a screwdriver to carve or cut wood

Employers must comply with OSHA standards related to materials handling, including training and _____. a. equipment b. operations c. inspection d. All of these.

c. inspection

A method of concrete construction in which floor and roof slabs are cast on or at ground level and, using jacks, lifted into position best defines a ___ construction operation. a. jacked slab b. lift jacks c. lift slab d. precast slab

c. lift slab

No construction loads shall be placed on a concrete structure or portion of a concrete structure unless the employer determines, based on information received from a person who is qualified in ___, that the structure or portion of the structure is capable of supporting loads. a. building construction b. building design c. structural design d. structural work

c. structural design

A non-self-supporting ladder should be set up at ___ (horizontal distance/working length of ladder). a. 90 degree angle b. 30 degree angle c. 1:2 angle d. 1:4 angle

d. 1:4 angle

A hazard communication program requires which of the following components? a. Written program b. SDS/Labeling c. Training d. All of the Above

d. All of the Above

One good way to prevent materials handling hazards is to ___. a. refuse to allow personnel to ride equipment without a seat and seatbelt b. report all damaged equipment immediately c. operate within manufacturer's specifications d.All of these

d. All of these

Who trains employees that work on scaffolds? a. Employees do not need training b. Employees are responsible for their own training c. Fellow employees who have experience d. Employer-designated competent person

d. Employer-designated competent person

Which term describes a tool that is powered by compressed air? a. Hydraulic b. Powder-actuated c. Electrical d. Pneumatic

d. Pneumatic

Your right to understand is _____. a. not simply shown or told b. not simply given an SDS c. required at initial assignment/when thing change d. all of the above

d. all of the above

When lumber is stored, which of the following conditions shall be followed? a. All nails shall first be removed. b. It must be stacked on level and solidly supported sills. c. It must be stable and self-supporting. d. The piles must not exceed 20 feet, provided the lumber to be handled manually does not exceed 16 feet. e. All of the above.

e. All of the above.

Solvent waste and oily rags shall be stored in ____ containers until removed from the job.

fire-resistant, covered

Unless the materials are for ____ use, materials shall not be stored on scaffolds or runways.

immediate

Maximum safe load limits for floors must be posted in all buildings and structures in the appropriate storage areas. The safe limits must be listed in ____ for all floors except those located on grade.

lbs/sf

Rigging equipment for material handling shall be inspected prior to use on each ____ and as necessary during its use to ensure that it is safe.

shift

Fittings used with synthetic web slings shall be a minimum breaking strength equal to that of the ____ and be free of all ____ edges that could in any way damage the wedding.

sling.....sharp