QUESTIONS WITH FULL SOLUTIONS
◉ What consists of the engine, frame, and all other essential
structural/mechanical parts? Answer: Chassis
◉ What is designed to hold the apparatus, when loaded to its
maximum in-service weight, on a 10% grade w/ transmission in
neutral and parking brake released? Answer: Wheel chocks
◉ What instrument gives indication of the electrical condition of the
battery and indicates the amount of amperage being drawn from the
battery? Answer: Voltmeter
◉ What instrument is used for measuring rotational speed, defined
as revolutions per minute (rpm)? Answer: Tachometer
◉ What is the minimum tire tread depth on turning axle tires?
Answer: 4/32" (and 2/32" on non-turning axle tires)
◉ What piece of U.S. currency can be an effective tool when
inspecting an apparatus? Answer: Quarter
, ◉ When checking oil levels, how long should you wait after shutting
off the engine? Answer: 15 minutes
◉ Why do new apparatus (newer than 2010) have an additional
tank of diesel exhaust fluid (DEF)? Answer: Meet the new emission
requirements
◉ If engine doesn't start within ___ seconds, release the starter
switch, and allow the motor to cool for ___ minutes before trying
again. Answer: 30 & 2
◉ The low air pressure warning alarm will activate when the
pressure falls below ___ psi. Answer: 60
◉ Whenever possible, allow the engine to warm up for ___ minutes.
Answer: 3-5
◉ When pulling out of the station, do not exceed speeds over ___
mph. Answer: 5
◉ The parking brake is required, by NFPA 1901, to hold the
apparatus on at least a ___% grade. Answer: 20