Technician A says that a common cause of top end clatter in a diesel engine is loose set cylinder valves. Technician B says that loose set valves are subject to lower shock loads on opening and closing because they travel less distance. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: A
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An oligopoly is an industry characterized by just a few ________.
A. sellers B. monopolies C. traders D. buyers
The heaters located near the refrigerator door to keep the cabinet from sweating are called the ____ heaters.
A. defrost cycle B. mullion or panel C. condensate D. re-cycle
If excessive ice forms on the evaporator of a domestic freezer, which of the following is not a possible cause?
A. defective defrost timer B. dirty or blocked condenser C. defective defrost heater D. blocked evaporator
The recovery level for Type III systems using a recovery device manufactured before November 15, 1993 is:
A) 25" hg vacuum. B) 4" hg vacuum. C) 0 psig. D) 25 mm absolute pressure.