The following statements are all correct EXCEPT ________
A) Increasing the surface area of radiator fins will increase its efficiency.
B) Heat transfer is most efficient from the radiator to the air.
C) Every engine horsepower equals about 42 BTU per minute.
D) Heat transfer from the coolant to the radiator is more efficient than transfer from the radiator to the air.
B
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Cycles per second are expressed in ___________
A) Slope B) Duty cycle C) Hertz D) Pulse width
The multi meter will have an ammeter setting and if set to check amps:
a. the red lead is moved and both leads are connected in parallel with the load b. the black lead is moved and both leads are connected in series with the load c. the red lead is left out and the black lead becomes an inductive pick up d. the red lead is moved and the leads are connected in series with the load
When a person applies for a job as a professional driver, he or she must
A. be prepared to provide references B. have an interview with an employee of the company C. take a road test D. all of the above
In an optoisolator, a ____ is used to trigger a phototransistor.
a. light-emitting diode b. transistor c. rectifier d. rheostat