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20 Cards in this Set
- Front
- Back
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1) Accident prevention relies on all but one of the following:
(A) good housekeeping (B) proper use of ladders (C) knowledge of first aid (D) proper use of handrails |
(C) knowledge of first aid
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2) A boiler room would have a decibels reading of ___ dB.
(A) 40 (B) 60 (C) 80 (D) 100 |
(D) 100
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3) An electrical circuit should be treated as if it is and energized cirucuit until ---
(A) the circuit is indicated open (B) the disconnect is indicated open (C) the circuit is proven de-energized (D) the DC is open to the control circuit |
(C) the circuit is proven de-energized
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4) The distance at which the foot of the ladder should be placed from the wall is ----
(A) 1/4 the length of the ladder (B) 1/4 the length of the ladder to the top support (C) 1/4 the height of the wall (D) 4 times the ladder width |
B) 1/4 the length of the ladder to the top support
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5) Unless protection is provided by other means, a scaffold plank should not overhang its support by more than ____
inches. (A) 6 (B) 12 (C) 18 (D) 24 |
(C) 18
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6) For removing hazardous vapor from the air, a chlorine respirator would use a ----
(A) chemical filter (B) mechanical filter (C) particulate filter (D) chemical trap |
(A) chemical filter
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7) On a MSDS, the manufacturer's name would be under what section?
(A) I (B) III (C) V (D) VII |
(A) I
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8) The self-contained breathing apparatus (SCBA) will provide respiratory protection for a period of approximately ----
(A) 20 minutes (B) 30 minutes (C) 45 minutes (D) 60 minutes |
(B) 30 minutes
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9) When should you refer to an MSDS on a particular chemical?
(A) Before you handle the material for the first time (B) When you have to clean up an oil spill and dispose of the material (C) If you have a question about the material reactivity (D) all the above |
(D) all the above
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10) A pressurized water fire extinguisher is used on Class __ fires only.
(A) A (B) B (C) C (D) D |
(A) A
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11) Fires involving wood, textiles, paper, rubbish, and the like are classified as a Class ___ fire.
(A) A (B) B (C) C (D) D |
(A) A
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12) Fires involving flammable liquids such as gasoline, oils and grease are classified as a Class ___ fire.
(A) A (B) B (C) C (D) D |
(B) B
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13) The high temperature of a fire will cause halon to form a phosgene gas which is ---
(A) nontoxic (B) low in toxicity (C) deadly (D) none of the above |
(C) deadly
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14) The maximum effective range of a 150-lb dry chemical extinguisher is about ___ feet.
(A) 5 (B) 20 (C) 50 (D) 70 |
(B) 20
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15) The duration of discharge of a 20-lb CO2 fire extinguisher is about __ seconds.
(A) 5 (B) 10 (C) 45 (D) 60 |
(C) 45
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16) The effective range of a CO2 fire extinguisher is about __ feet.
(A) 3 (B) 7 (C) 50 (D) 70 |
(B) 7
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17) Due to its high discharge velocity and penetration, a _____ extinguisher can be used on hard to reach fires better than other extinguishers.
(A) CO2 (B) dry chemical (C) foam (D) halon |
(C) foam
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18) The refrigeration unit on a low pressure CO2 storage tank will maintain the temperature of the liquid at approximately ____ degrees F.
(A) -20 (B) 0 (C) 32 (D) 87.8 |
(B) 0
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19) If an employee discharges portable equipment, either intentionally or accidentally they should ---
(A) put it back where they found it (B) put a tag on it and leave it where it was used (C) put it outside the control room and let someone else take care of it (D) notify the person responsible to restore it to ready condition |
(D) notify the person responsible to restore it to ready condition
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20) Rubber gloves should be checked ______.
(A) once a month (B) once a week (C) once a day (D) before each use |
(D) before each use
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