At typical operating conditions, the high efficiency air-conditioning system will operate with an evaporator boiling point of ____°F.
A. 40
B. 45
C. 50
D. 55
Answer: B
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One common test used to determine the impact capability of a weld is the ____ test in which a notched specimen is struck by an anvil mounted on a pendulum.
A. Izod B. Charpy C. Fillet weld break D. Free-bend
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The strength of concrete depends on the _____.
a. percentage of sand in the mix b. water-cement ratio c. type of cement used d. mixing time
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What type of line is the visible edge perceived when an object is observed?
A. object line B. center line C. hidden line D. leader line
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What is the power at f1 and f2 in a resonant circuit that delivers 750 W?
A) 17 W at both frequencies B) 750 W at both frequencies C) 375 W at both frequencies D) 375 W at f1 and 750 W at f2
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