Question 1.1.

An operation in which the attendant uses the retrieval equipment worn by entrants to pull them out of a confined space is known as ____.

internal rescue

non-entry rescue

self-rescue

attendant rescue

Question 2.2.

The amount of exposure that requires an employer to implement a program to protect workers is known as the ____ level.

exposure

protection

security

action

Question 3.3.

An explosion caused when air is suddenly introduced into a confined area that contains high levels of heat and combustible gases is known as a(n) ____ explosion.

backdraft

flashover

combustion

ignition

Question 4.4.

A confined space that contains potential safety hazards is known as a ____ Confined Space.

Hazard-Zone

Restricted

Potential-Hazard

Permit-Required

Question 5.5.

A condition in which loose materials are released in a space and bury or crush people in the space is known as ____.

confinement

entrapment

engagement

engulfment

Question 6.6.

The title of the person who enters a space and performs work is ____.

entry supervisor

entrant

entry worker

confined space attendant

Question 7.7.

An area large enough to enter, not designed for occupancy, and hard to get in or out of is known as a ____ space.

confined

dangerous

permit-required

restricted

Question 8.8.

The PEL for noise is ____ dB averaged over an 8-hour work period.

80

85

90

95

Question 9.9. All monitoring operations must use correctly ____ and maintained equipment.

calculated

set up

tabulated

calibrated

Question 10.10.

Highly ____ liquids can present serious hazards similar to those posed by gases.

stable

viscous

volatile

thin