Most fatalities from fire result from:
A) Suffocation due to insufficient oxygen
B) Breathing toxic gases and smoke
C) Both A and B
D) Neither A nor B
C) Both A and B
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Technician A says a fixed geometry turbocharger requires pressure relief because it operates over a wide rpm band. Technician B says a wastegate is commonly used to control the speed of the turbine in automobile engines. Who is correct?
A. Technician A B. Technician B C. Both technicians D. Neither technician
The weld _____ is the junction between the edge of the weld and the base metal.? ?
A. toe? B. foot? C. groove? D. face?
Windshield washer pumps can be damaged if ________
A) Contaminated windshield washer fluid is used B) Pure water is used in freezing weather C) Ethylene glycol antifreeze is used D) All of the above
The pointer on a dial-type thermometer is moved by a:
A) Bimetal element. B) Lever that is moved by a column of mercury. C) Volatile fluid. D) Heat motor and gears.