A four-stroke cycle diesel engine has a crankshaft gear with 45 teeth. How many teeth should the camshaft gear have if it is direct-driven?
A. 22
B. 45
C. 90
D. 180
Answer: C
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Which of the following is not considered to be a threaded fastener?
A. double-ended stud B. machine screw C. bolt D. rivet
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When charging a system that uses a zeotropic refrigerant, the system should be always be charged using
_____. a. a charging cylinder b. liquid refrigerant from the cylinder c. vapor refrigerant from the cylinder d. subcooling values
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Steel-wire bar supports that offer no protection against rusting are designated as Class _____
a. A b. B c. C d. D
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What would most likely result if an engine was reassembled with one conn rod with a weight class two increments over specification?
A. nothing, this should be OK B. dropped rod C. engine vibration D. crankshaft failure
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