Confined Space Test Submittal Page


Copyright 2003 by T.R. Consulting, Inc.


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TEST QUESTIONS:

True or False

1)___In the confined space accident review, the worker painting the tank interior was killed when a non-explosion-proof light caused the flammable atmosphere within the tank to ignite
#01

2)___In the confined space accident review, air quality was tested prior to the accidents in most of the cases presented
#02

3)___In the confined space accident review, the proper number of workers were present prior to the accidents in most of the cases presented
#03

4)___In the confined space accident review, proper emergency rescue equipment was present prior to the accidents in most of the cases presented
#04

5)___Rescuers are always well prepared for confined space rescues and are seldom victims in confined space incidents
#05

6)___In the confined space accident review, the father and son inspecting the seals in the floating roof tanks had insufficient ability to communicate
#06

7)___In the confined space accident review, the worker outside the tank which was being painted should have used a fall arresting system to prevent injury from potential falls
#07

8)___In the confined space accident review, all of the accidents could have been easily prevented through proper training and planning
#08

Multiple Choice

9) Level A personal protective equipment: a) the highest level of respiratory protection b) isolation of the body from the external environment  c) work uniform offering no special respiratory protection  d) may require the use of a filter type respirator e) both a and b
#09

10) Level B personal protective equipment: a) the highest level of respiratory protection b) isolation of the body from the external environment c) work uniform offering no special respiratory protection d) may require the use of a filter type respirator  e) both a and d
#10

11) Level C personal protective equipment: a) the highest level of respiratory protection  b) isolation of the body from the external environment  c) work uniform offering no special respiratory protection  d) may require the use of a filter type respirator  e) both b and c
#11

12) Level D personal protective equipment: a) the highest level of respiratory protection   b) isolation of the body from the external environment  c) work uniform offering no special respiratory protection  d) may require the use of a filter type respirator  e) both a and b
#12

True or False

13)___ Ventilation is one way to make an area safer when toxic or flammable vapors are present
#13

14)____Instruments used for testing the atmosphere within a confined space where gasoline might be present must be explosion proof or intrinsically safe, properly calibrated, and appropriate for the expected hazard.
#14

15)____Oxygen levels of 17.5% must be obtained prior to allowing personnel to enter a confined space.
#15

16)____Readings on a combustible gas indicator must read at least .5 (50%) of the lower flammable limit (LFL) for a work area to be safe.
#16

Multiple Choice

17)____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
#17

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

18)____Measurement for flammable vapors and gasses
#18

19)____Measurement of individual toxic elements
#19

20)____Measurement of oxygen content in air
#20

Multiple Choice

21)____An excavation must be evaluated by a qualified person prior to entry when the excavation is greater than a) 3 feet deep   b) 4 feet deep    c) 6 feet deep    d) 7 feet deep
#21

22)____Excavation edges greater than 5 feet in height must be a) sloped or shored  b) carefully watched  c)filled with gravel d) at least 6 feet apart
#22

23) An atmosphere containing less than ____% of oxygen is considered to be oxygen deficient. a) 11% b) 6% c) 19.5%   d) 23.75%
#23

24) The _________ is the lowest concentration of a flammable vapor necessary to sustain combustion.  a) lower explosive limit b) lower flammable limit c) either a or b above depending on the location of the vapors d) there is no name for it
#24

True or False

25)___ Air supplied respirators supplied by an oil lubricated compressor require that carbon monoxide levels be monitored
#25

26)___When air is supplied to a respirator by an oil lubricated compressor, monitoring of the compressor temperature is unnecessary to ensure the quality of breathing air
#26

27)___Combustible gas indicator readings need to remain at or below 10% LEL/LFL during entry and hot work
#27

28)___ Personal protective equipment which becomes contaminated must be either discarded or thoroughly decontaminated prior to reuse
#28

29)___ Equipment used on site which becomes contaminated can be cleaned at the shop when there is more time available
#29

Multiple Choice

30)____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
#30

True or False

31)___ Emergency response rehearsals need to be as realistic as possible without actually exposing workers to real hazards
#31

32)___ Written procedures for response to likely emergencies need to be developed
#32

33)___ Fire extinguishers must be periodically certified, regularly checked to assure a full charge, and of a proper type for the kind(s) of fires which might occur on site
#33

34)____While personnel are located in a confined space, the atmosphere within the confined space is to be monitored constantly and readings recorded periodically.
#34

35)____Standby personnel (attendants) 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.
#35

Multiple Choice

36)____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
#36

37)____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
#37

38)____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
#38

39)____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
#39

True or False.

40)____Confined spaces may have limited access.
#40

41)____Confined spaces never present hazards from falling objects.
#41

42)____Confined spaces may have limited ventilation.
#42

43)____Confined spaces may have limited working space.
#43

44)____Confined spaces never have slippery surfaces.
#44

45)____A large excavation can never contain the same types of hazards found in confined spaces.
#45

Multiple Choice.

46)___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
#46

47)___When is a lifeline and harness required?   a) always  b)in an uncontrolled 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
#47

48)___A confined space permit is issued by? a) a qualified person on site b) the local fire department c) the facility owner    d) OSHA
#48

49)___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.
#49

50)___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
#50



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