Confined Space Test Submittal Page


Copyright 2003 by T.R. Consulting, Inc.


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TEST QUESTIONS:

True or False

1)___ Ventilation is one way to make an area safer when toxic or flammable vapors are present
#1

2)____Instruments used for testing the atmosphere within a confined space where gasoline (flammable) might be present must be explosion proof or intrinsically safe, properly calibrated, and appropriate for the expected hazard.
#2

3)____Oxygen levels of 17.5% must be obtained prior to allowing personnel to enter a confined space.
#3

4)____Readings on a combustible gas indicator must read no less than .5 (50%) of the lower flammable limit (LFL) for a work area to be safe.
#4

Multiple Choice

5)____The three elements necessary for a fire or explosion hazard to exist.
a)Earth, Wind and Fire
b)Fuel, Source of ignition, Oxygen (air)
c) Gasoline, Cigarette lighter, Fumes
d) Vapors, Source of ignition, nitrogen

#5

Place the following tests in the proper order for determining the atmospheric hazards within an UST or excavation prior to entry.

6)____Measurement for flammable vapors and gasses
#6

7)____Measurement of individual toxic elements
#7

8)____Measurement of oxygen content in air
#8

Multiple Choice

9) An atmosphere containing less than ____% of oxygen is considered to be oxygen deficient.
a) 11%
b) 6%
c) 19.5%  
d) 23.75%

#9
True or False

10)___Combustible gas indicator readings need to remain at or below 10% LEL/LFL (5% in IL) during entry and hot work
#10
Multiple Choice

11)____Emergency response plans must be rehearsed at least how often?
a) Once per day
b) once per week
c) once per month
d) once per year

#11

True or False

12)___ Emergency response rehearsals need to be as realistic as possible without actually exposing workers to real hazards
#12

13)___ Written procedures for response to likely emergencies need to be developed
#13

14)____While personnel are located in a confined space, the atmosphere within the confined space is to be monitored frequently.
#14

15)____Standby personnel are to be present at the entrance to an occupied confined space and must remain in communication with his/her buddy within the confined space.
#15

Multiple Choice

16)____which of the following does not describe a confined space?
a) limited access
b) limited natural ventilation
c) limited working space
d) an area designed for human occupancy

#16

17)____At what point is a person considered to have entered a confined space?
a) When his head and shoulders enter
b) When any part of his body enters
c) When his whole body is inside
d) When his head passes into it

#17

18)____Is an attendant (standby person) allowed to enter the confined space? 
a) yes
b) no
c) on limited occasions
d) the attendant is already in the confined space

#18

19)____When is a mechanical means for retrieving a person from a confined space via lifelines and harnesses required? 
a) always
b) during rescue
c) when the depth of the space is greater than 5 feet
d) never

#19

True or False.

20)____Confined spaces may have limited access.
#20

21)____Confined spaces never present hazards from falling objects.
#21

22)____Confined spaces may have limited ventilation.
#22

23)____Confined spaces may have limited working space.
#23

24)____Confined spaces never have slippery surfaces.
#24

25)____A large excavation can never be a confined space.
#25

Multiple Choice.

26)___How often is a confined space required to be ventilated? 
a) prior to entry  
b)continuously during entry   
c) after reclassification to non-permit status  
d) all of the above 
e) a and b above only

#26

27)___When is a lifeline and harness required? 
a) always  
b)in permit required confined spaces at all times 
c) when the depth of the confined space from entrance to lowest point is greater than 4 feet   
d) during initial investigation of the confined space

#27

28)___A confined space permit is issued by?
a) a qualified person on site
b) the local fire department
c) the facility owner   
d) OSHA

#28

29)___A space which does not meet the criteria used to define a confined space may?
a) be entered without any special precautions   
b) be considered safe   
c) may contain the same types of hazards common to confined spaces  
d) requires special training prior to starting work.

#29

30)___The completed confined space permit must be turned in to? 
a) the facility manager   
b) OSHA  
c) someone designated by my company  
d) no one

#30