Which tool(s) are used to determine if a crankshaft straight?
A. V-blocks and dial indicator
B. V-blocks and dial caliper
C. Straight edge and feeler gauges
D. Torque plate and straight edge
Answer: A
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Technician A says when checking voltage drops, the negative meter lead is connected to ground and the positive lead is connected to the component being tested. Technician B says the voltmeter is connected across the load with the circuit activated when testing voltage drops. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A lawn with tough seed stalks is cut with a ____________________ mower
Fill in the blank(s) with correct word
Freon 22 is used as a refrigerant in a vapor-compression refrigeration cycle in the frozen food section of your local supermarket. If the condenser operates at 320 K (saturated liquid leaves the condenser) and the boiler operates at 260 K (saturated vapor leaves the boiler), calculate:
A) The coefficient of performance, if the compressor has an 80% efficiency rating. B) The quality of the vapor/liquid mixture that leaves the expansion valve. C) The Carnot Cycle COP assuming that both reservoir temperatures are the same as the temperatures of the boiler and the condenser. D) Since no real process can ever match the assumptions of the Carnot engine, why is the Carnot engine useful?
Which of the following was an essential element in the success of the Allied D-Day landings in June 1944?
a. superior weapons and technology b. better training and planning c. air and naval superiority d. stealth and surprise