Chapter 3 Flashcards
To maintain control when in an acceleration skid, the driver/operator should not apply brakes, but should instead ease off of the accelerator, and:
a. turn the front wheels in the opposite direction from the skid.
b. straighten out the front wheels as the vehicle begins to respond.
c. turn the front wheels in the same direction as the skid.
d. then apply the brakes forcefully.
b. straighten out the front wheels as the vehicle begins to respond.
Which of the following auxiliary brake devices uses a valve to restrict the flow of the exhaust, which creates back pressure that adds to the engine’s inherent braking ability?
a. Electromagnetic retarder
b. Engine compression brake
c. Exhaust brake
d. Transmission output retarder
c. Exhaust brake
Which of the following can cause poor traction?
a. Too much weight on steering axle
b. Either too much or too little weight on steering axles
c. Too little weight on driving axles
d. Under-loaded front axles
c. Too little weight on driving axles
When more than one emergency vehicle is responding along the same route, they should travel:
a. at least 50 to 150 feet (15 to 45 m) apart.
b. at least 300 to 500 feet (90 to 150 m) apart.
c. at least 100 to 300 feet (30 to 90 m) apart.
d. at least 700 to 900 feet (210 to 270
m) apart.
b. at least 300 to 500 feet (90 to 150 m) apart
Which of the following is a guideline when working on, around, or under apparatus?
a. Always let at least one person know where you are.
b. Always carry a hand-held radio.
c. Always have a second person present.
d. Work on apparatus only when maintenance personnel are present.
c. Always have a second person present.
Apparatus should be weighed after loading it with all equipment and personnel to ensure that axle loading is balanced:
a. within 2 percent from side to side.
b. within 21 percent from side to side.
c. within 15 percent from side to side.
d. within 7 percent from side to side.
d. within 7 percent from side to side.
Which of the following statements about the written test for
driver/operators is MOST accurate?
a. Written tests must always be closed book tests.
b. The style of questions may vary according to local needs.
c. Written tests must have a computer option.
d. Questions used in the test must be verified by an independent agency.
b. The style of questions may vary according to local needs.
Weight carried on most apparatus can contribute to:
a. problems with the apparatus brakes.
b. inability of the apparatus to navigate normal road conditions.
c. skidding or possible rollover due to lateral weight transfer.
d. Increased road traction, causing decreased ability for speed
c. skidding or possible rollover due to lateral weight transfer.
While driving a vehicle equipped with antilock breaks:
a. maintain a steady pressure on the brake pedal until apparatus comes to a complete stop.
b. intermittently pump the pedal and apply pressure.
c. pump the pedal repeatedly until apparatus comes to a complete stop.
d. push the pedal to the floor.
a. maintain a steady pressure on the brake pedal until apparatus comes to a complete stop
On apparatus equipped with a diesel particulate filter (DPF), which of the following lights up to indicate that the
DPF is loading up with soot?
a. Regeneration inhibit switch
b. High Exhaust System Temperature indicator
C. DPF indicator
d. Manual regeneration switch
C. DPF indicator
In order for apparatus to come to a complete stop on show and ice, it may take:
a. 25% more distance than it does on dry pavement.
b. 3 to 15 times greater distance than it does on dry pavement.
c. 6 to 25 times greater distance than it does on dry pavement.
d. 15% more distance than it does on dry pavement.
b. 3 to 15 times greater distance than it does on dry pavement
Which of the following is a factor that tiller operators must be particularly aware of?
a. Poor gas mileage
b. Excessive wear on apparatus tires
c. Improper storage of items on apparatus
d. Proper overhead clearance
d. Proper overhead clearance
Which of the following statements about shutting down a hot engine is
MOST accurate?
a. Allow the engine to idle for ten to fifteen minutes before shutting down.
b. Hot engines should immediately be shut down.
c. Allow the engine to idle for one minute before shutting down.
d. Usually an idling time of three to five minutes is sufficient before shutting down.
d. Usually an idling time of three to five minutes is sufficient before shutting down