The first step in diagnosing a Hydro-Boost problem is ________
A) A thorough visual inspection B) A pressure test of the pump
C) To tighten the power steering drive belt D) A volume test of the pump
A
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The refrigerator containing R-12 is operating at a 26.1 psig suction pressure. The boiling point in the evaporator is ____°F.
A. 20 B. 24 C. 27 D. 30
What improper operation can cause hunting?
A) Loss of casing and/or line insulation B) Allowing turbine to run at critical speeds C) Allowing "wet steam" or condensate into the turbine D) Having a turbine governor that is toggling the speed above and below normal operating set point
The emergency heat setting on a heat pump thermostat:
A) Operates both the compressor and auxiliary heat to produce the maximum amount of heat possible. B) Increases the compressor speed to produce more heat. C) Energizes the auxiliary heat on first stage and does not turn on the compressor and outdoor fan. D) Notifies the installing contractor that the system needs immediate service.
Animals in the suborder Ruminantia chew ____________________ and have digestive systems with several compartments
Fill in the blank(s) with correct word