A car has oil smoke from its exhaust during deceleration. Technician A says that bad valve guide seals could be the cause. Technician B says that worn piston rings could be the cause. Who is right?
A. ?Technician A only
B. ?Technician B only
C. ?Both A and B
D. ?Neither A nor B
Answer: C
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Refrigerant can exist as both a liquid and vapor simultaneously.
Answer the following statement true (T) or false (F)
When wiring a dual voltage three phase motor to high voltage, the two sets of windings are wired:
A) In series. B) Using only the high voltage windings. C) In parallel. D) Using inductive coupling.
Which of the following terms of exponential notation represents 1,000,000,000?
A) micro B) kilo C) giga D) mega
A ____ is a relaxation oscillator that can function in either of two temporarily stable conditions and is capable of rapidly switching from one temporary state to the other.
A. multivibrator B. blocking oscillator C. Wien-bridge oscillator D. phase-shift oscillator