Asbestos Worker Practice Test

1

Name* This field is required.

First Name

Last Name

2

Email* This field is required.

example@example.com

3

Company name:

4

Student ID

Certificate number

5

1.What critical safety precaution is necessary when wearing supplied air respirators??* This field is required.

Qualitative fit test prior to every use

HEPA escape cartridge in case of emergency loss of air

Compressor is located outdoors

Hose must be 12 inches in diameter

6

2. Periodic personal air monitoring is not required under which of the following circumstances?* This field is required.

When air monitoring indicates exposure above the pel

When all employees are wearing full body protective clothing and negative pressure monitors

When only one employee is wearing a supplied air respirator

When all employees are wearing supplied air respirators operated in the positive pressure mode

7

3.The term "asbestos" refers to which of the following materials?* This field is required.

All corrugated pipe insulation

A natural occurring mineral fiber

All sprayed on ceiling material

A man made material

8

4. What is the pel as specified by OSHA?* This field is required.

20 f/cc twa

5 f/cc twa

2 f/cc twa

0.1 f/cc twa

9

5. Which of the following statements regarding asbestosis is not true?* This field is required.

It is a disease characterized by scarring of the lung

The typical latency period is 15 to 30 years

It is a cancer

it is prevalent among workers who have been exposed to large doses of asbestos fibers over a long decade

10

6. According to the AHERA regulation ,what does friable asbestos refer to?* This field is required.

All chrysotile

PACM that has been thoroughly wetted

Asbestos fibers that can be melted down and recycled

Acm of greater than 1% asbestos that can be crumbled or reduced to powder by hand pressure

11

7. What is the minimum number of air changes required per hour in a negative pressure enclosure?* This field is required.

6

4

2

3

12

8. Which of the following statements regarding the removal of asbestos-containing ceiling material is true?* This field is required.

Material removed from high ceiling s should be dropped to the floor where it is contained

Removal of ceiling material is carried out in two stages: gross and secondary removal

Wire brushes should be used to remove sprayed on material

All of the above

13

9. Which of the following is the OSHA respirators standard?* This field is required.

40 CFR 763

29 CFR 1910 . 134

40 CFR 61

29 CFR 1926 . 1101

14

10. Which of the following filters is not normally found on an approved negative pressure machine?* This field is required.

Prefilter

Intermediate filter

Primary hepa filter

Organic vapor filter

15

11. Why is wetting of acm in asbestos abatement projects required?* This field is required.

Wet fibers are easier to study under pcm

Wet fibers are easier to see

HEPA vacuums only up wet acm

Wetting of acm will help in preventing asbestos dust from becoming airborne

16

12. When does the cleanup process begin on an asbestos abatement project?* This field is required.

After the first layer of poly is removed

During gross removal procedures

After the final layer of poly is removed

Before final clearance

17

13. which of the following respirators provides the greatest protection against asbestos ?* This field is required.

Full facepiece air-purifying with HEPA filters

Half mask air-purifying with HEPA filters

Full facepiece supplied air pressure demand with aux , scba, operated in continuous flow or pressure demand mode

Supplied air , continous flow , loose fitting helmet or hood

18

14. Which of the following is considered a proper work practice on an asbestos abatement project ?* This field is required.

Remove ventilation filters dry

Put dry ceiling tile into 6 mil poly bag for disposal

Dry vacuuming any equipment before removing it from the area

None of the above

19

15. How often should respirator be inspected?* This field is required.

Before and after each use

Monthly

Weekly

Daily

20

16. When going through the shower , what protective equipment is not removed?* This field is required.

Safety glasses

Respirator

Rubber boots

Tyvek suit

21

17. What is the greatest advantage of using a powered air-purifying respirator(PAPR)?* This field is required.

You can wear a beard and still get a good seal

It supplies air at a positive pressure within the facepiece, helmet or hood so that any leak is outward

The filters are easier to breathe through than those used in a negative pressure respirator

It is less expensive than a negative pressure respirator

22

18. Which of the following is not true regarding the use of ladders on abatement projects?* This field is required.

Rungs should be kept free of any debris

Extension ladders should be used with a 1:4 lean ratio

Rubber safety shoes are not suggested on a ladder being used in an asbestos abatement work area

Ladders should be inspected daily

23

19. Which of the following statements regarding mesothelioma is correct?* This field is required.

It is a cancer of the chest cavity and abdominal cavity linings

The latency period can be 30 to 40 years

This type of cancer spreads rapidly and is always fatal

All of the above

24

20. Which of the following statements regarding negative pressure systems is true?* This field is required.

Exhaust units should be vented to the outside of the building

Exhaust units should be placed at a maximum distance from the worker access opening or other makeup air source

Work should begin at the point farthest from the negative pressure unit and proceed to ward the unit

All of the above

25

21.When should negative air pressure be maintained in the work area ?* This field is required.

24 hours a day during an abatement project

Only during the work shift

At all times except when changing filters

Only when the rest of the building is occupied

26

22.How long does the EPA require asbestos abatement workers to attend a course?* This field is required.

4 days

3 Days

2 Days

5 days

27

23.Which of the following best describes the proper use of disposable paper respirators?* This field is required.

They should only be used during preparation of the work area

The OSHA standard allows their use when fiber levels are low

They should be used while performing final clean up only

The OSHA standard prohibits their use on asbestos abatement projects

28

24.The Employer is required to maintain records on each employee for how long?* This field is required.

30 Years beyond the final employment date

They do not need to be maintained by the employer

1 Year from the date of the medical exam

3 years beyond the final employment date

29

25.Which of the following analytical methods is the most sensitive and can also specifically identify asbestos fibers?* This field is required.

PCM (phase contrast microscopy)

SEM (scanning electron microscopy)

TEM (transmission electron microscopy)

None of the above

30

26.Which of the following is not a good practice when working on an abatement project?* This field is required.

Use ground fault circut interrupters

Use non-conductive scrapers ( wood, plastic , rubber)

String electrical wiring across floors , underneath ploy

De-energize as much equipment as possible

31

27.At what intervals must all personnel who enter the work area sign the entry log?* This field is required.

Daily

Only upon entry

Upon each entry and exit

Prior to the beginning of each project

32

28.During an abatement project , which of the following areas does not require air sampling ?* This field is required.

Inside the work area

Decontamination area

Outside the work area , but inside the building

Inside the shower

33

29.Why are confined spaces especially hazardous to the abatement worker ?* This field is required.

Deficient oxygen and contaminated air may exist

Respirators and protective clothing make it difficult to work

They can be hot and uncomfortable to work in

All of the above

34

30.Which statement is NOT correct regarding waste load out procedures?* This field is required.

You should always use two teams of workers :an inside and outside team

The inside area of a truck should be lined with 2 layers of 6 mil poly

Workers on the outside team need not wear protective clothing or respirators

It is important that no workers from the inside team exit the work area through the airlock

35

31.What is the proper method for containerizing asbestos waste?* This field is required.

let material dry and place in double bags

place wet or dry materials in metal containers

Place wet or dry materials in 6 mil poly to fill approximately 2/3 to 3/4 of the drum ;then seal , label and clean

Let material dry and put in 10 mil poly bags

36

32.What is the OSHA " excursion limit"?* This field is required.

0.01 F/CC average over 30 minutes

0.02 F/CC TWA

1.0 F/CC averaged over 30 minutes

0.1 F/CC TWA

37

33.Which of the following statement regarding air sampling is not true ?* This field is required.

Personal air sampling devices are attached to the worker at approximately breathing level , pointing approx 45 degrees downward

For clearance air monitoring using tem , a minimum of 13 samples must be taken

Either a 25 or 37 mm filter cassette is normally used in the NIOSH 7400 analysis technique

Under AHERA , the abatement contractor can conduct sampling for the purposes of final clearance

38

34 .EPA "aggressive sampling" technique is used for sampling when determining ?* This field is required.

The Pel

Personal air monitoring

That the required clearance level has been met

Pre-abatement hazard assessment

39

35. Which type of encapsulant would you use on a hard, cementitious material?* This field is required.

Surfacant

Latex Encapsulant

Penetrating encapsulant

Bridging encapsulant

40

36. Which type of respirator does EPA recommend for gross removal on asbestos abatement projects?* This field is required.

Negative pressure respirators

Type "c" supplied air respirators

Powered air purifying respirators (PAPRS)

Disposable Respirators

41

37. EPA and OSHA recommend that sampling pumps be calibrated:* This field is required.

Daily

Prior to the abatement project

Before and after every use

weekly

42

38. Which species of asbestos is most commonly found in the buildings in the U.S.?* This field is required.

Amosite

Crocidolite

Actinolite

Chrysotile

43

39. What is the maximum airline length for an approved "Type C" supplied air respirator.?* This field is required.

260 Feet

300 Feet

30 Feet

500 Feet

44

40. Floors of work areas must be covered with which of the following?* This field is required.

Two Layers of 4 mil poly

One layer of 6 mil, one layer of 4 mil

Two layers of 6 mil poly minimum

One layer of 10 mil

45

41. The Synergistic effect of smoking refers to which of the following?* This field is required.

Asbestos workers who smoke cigarettes are 50 times more likely to develop lung cancer than non smokers who were not exposed to asbestos

Asbestos workers who smoke cigarettes are 50 times more likely to develop lung cancer than asbestos workers who are non smokers

Asbestos workers who quit smoking, often contract diseases other than lung cancer

Most asbestos workers who smoke probably will also remove their respirators inside of the abatement area

46

42. In discussing wet methods used in asbestos abatement projects, which of the following statements is true?* This field is required.

An advantage of using wet methods is that airborne fiber concentrations are reduced

The positive effects of wet removal can be enhanced by adding a wetting agent

It is often easier to remove material that has been wetted

All of the above

47

43. Walls in the work area must be covered with which of the following?* This field is required.

Minimum two layers of 4 mil poly

Minimum one layer of 6 mil poly

Two layers of 6 mil poly

One layer of 10 mil poly

48

44. What is the efficiency of the HEPA filter?* This field is required.

97.97% efficient to particle sizes of 0.3 microns

95.97% efficient to particle sizes of 3.0 microns

99.97% efficient to particle sizes of 0.3 microns

97.97% efficient to particle sizes of 0.03 microns

49

45. Asbestos abatement contractors are required to provide medical surveillance for which employees?* This field is required.

Anyone required to wear negative pressure respirators

Those exposed to fiber above the PEL (0.1 F/CC) for 30 days or more per year

Neither A or B

Both A and B

50

46. How often are qualitative fit test required on tight fitting respirators?* This field is required.

Monthly

Annually

Semi annually

Daily

51

47. How often are positive and negative fit checks required on respirators?* This field is required.

Once daily

Everytime you put on the respirator

Prior to the start of an abatement project

Before entering the shower area

52

48. Under what circumstances may the plastic barriers be violated during an asbestos abatement project?* This field is required.

A worker appears to have heat stress

There is a fire in the work area

A worker who is wearing a supplied air respirator has his airline punctured

The supervisor can leave the area by breaking open the barrier to handle an emergency outside of this area

53

49. Which of the following types of asbestos is normally soft, fluffy, and white in color?* This field is required.

Tremolite

Anthophylite

Chrysotile

Amosite

54

50. Which statements below best describes proper precautions when using glovebag removal techniques?* This field is required.

Use any type glove bag attached with duct tape

Wear disposable respirator but not protective clothing

Use respirator, protective clothing, barrier tape and have a shower nearby

No precautions are needed because the glove bag acts as a mini containment area which the worker is outside of