Exam 18: Construction

The text mentions an electrical interlock on a personnel hoist.What is its purpose?

Hollow pan-type treads are filled on-site with concrete or other materials.

Even an ordinary garden hose may be used in place of fire extinguishers on construction sites.

Which of the following does not lead to two-blocking?

What is the full name for ROPS?

Molded or vulcanized splices are permitted in flexible cord.

Garden hoses are prohibited as substitutes for fire extinguishers on construction sites.

The text describes a dramatic lesson in safety learned from the historic construction of the Golden Gate Bridge.What was that lesson? Describe in general what happened.(It is not necessary to remember the exact numbers involved;just describe the situation in general. )

OSHA limits anchoring forces for guardrail stanchions to one ton.

A stanchion base for a temporary guardrail that can withstand a ton of force to counterbalance a side load at the top of the rail can lead to a false sense of security.

Hydraulic fluids used in aerial lifts around energized lines are required to be fire resistant.

When a temporary guardrail is used properly,it is possible for the stanchion base to be required to withstand a ton of counterbalancing force.

In construction,safety belt lanyards are required to be no longer than:

The design safety factor for scaffold suspension ropes is

The dynamic test for ROPS is to roll the vehicle over in the field.

What is the general construction area minimum lighting standard?

The purpose of the device in the picture is to

The field test for ROPS employs a 2-ton (more specifically,a 2000-kg) pendulum.

The general construction area minimum lighting standard is

Hydraulic fluids for general construction equipment are required to be fire resistant.