construction 2.5

30問 • 2年前

問題一覧

A job-built ladder shall not be more than ____ feet in length

toeboards shall be capable of withstanding, without failure, a force of at least 50 pounds applied in any downward or outward direction at any point along the toeboard

Falling object protection shall comply with the following provisions

all of the above

When mechanical equipment is being used, the warning line shall erected not less than ____ _feet from the roof edge which is parallel to the direction of mechanical equipment operation, and not less than _____ feet from the roof edge which is perpendicular to the direction of mechanical equipment operation

6 and 10

Personal fall arrest systems, when stopping a fall, shall

D: both A and C

Each employee on a walking/ working surface with an unprotected side or edge which is 6 feet or more above a lower level shall be protected from falling by the use of

D either A or B

What type of a fire is fueled by wood, cloth, paper, rubber and plastics?

class A fire

Air pressure at the discharge end of a portable air gun or hose used for cleaning shall not exceed ____ pounds per square inch (psi)

What is a narrow strip of wood or other soft material which has a notch or sharp point on one end and which is used to push material through the point of operation of a cutting tool?

push stick

What is a device that makes instantaneous forced-entry fastenings into construction materials through the use of a fastener and an explosive load?

powder-actuated tool

Certification of head protection requires

C both A and B

The top guardrail must be located at a height of ____ from the walking/working surface

42 +/- 3

A supply of ____ shall be available to employees in all places of employment

potable water

An employer shall not permit any of the following:

all of the above

An employer shall develop, maintain, and coordinate with employees an accident prevention program, a copy of which shall be available at the worksite and shall include

all of the above

An employer who willfully or repeatedly violates the Michigan Occupational Safety and Health Act, may be assessed a civil penalty of not more than $____ for each violation.

$124,709.00

Who shall administer and enforce the provisions of the Michigan Occupational Safety and Health Act?

The Department of Labor (LARA)

It is the duty of the employer to

recognized hazards likely to cause death and/or serious harm

What is the act to prescribe and regulate working conditions: to prescribe the duties of employers and employees as to places and conditions of employment?

Michigan Occupational Safety and Health Act 154 of 1974

Lateral bracing (long 2x4 12 footers) are supposed to be located in

the upper 1/3 of the truss area

Space trusses to within + or - ___

1/4 inch

The temperature of concrete should be maintained at ___. degrees for 5 days in cold weather conditions.

In concrete, saw cut control joints should be made within ____ hours of placement

4 to 12 hours

Splices in rebar should not be less than ____ overlaps

12 inches

This type of footing is used over soil which has poor load bearing capacity and will generally cover the entire foot print of the structure

a mat footing

Ready mixed concrete should be totally discharged from the truck within ____ hours of being mixed

11/2 hours

In coarse aggregate such as pea stone and gravel that ranges in size due to required specifications,what is generally the maximum size?

11/2 inches or less

Of the 5 types of cement, which is the most commonly used?

type 1 for general use

An example of prestressed concrete is

a double T as used in parking garages

For a wall that is. 40 ft long and 10 ft high, how many block do you need in the first course only?

30 blocks

construction

Sterling Thomas · 40問 · 2年前

construction