The purpose of the charcoal filter in the vacuum hose between the engine and the vacuum brake booster is to ________
A) Act as a one-way check valve to help keep a vacuum reserve in the booster
B) Filter the air entering the engine
C) Trap gasoline vapors to keep them from entering the booster
D) Direct the vacuum
C
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Select an acceptable statement of the Clausius statement of the second law.
A) A heat pump cannot produce more heat than the compressor input. B) A heat pump cannot discharge heat without inputting work. C) A heat pump cannot discharge heat without receiving heat. D) A heat pump discharges heat whenever the compressor work is greater than the heat it receives.
What time of the year are hardwood cuttings taken?
What will be an ideal response?
Which of the following statements regarding chillers is TRUE?
A) Dry (direct expansion) chillers require less refrigerant than do flooded chillers. B) Flooded chillers have less potential for freeze-ups than other chillers. C) Regional zone chillers are more cost-effective than centralized units. D) Top-loaded chillers do not use shell-and-tube arrangements.
The receiver drier is a component used to:
A. Turn liquid refrigerant into vaporous refrigerant B. Dry the air the is routed through the evaporator C. Separate and store liquid refrigerant D. Direct only vaporous refrigerant to the TXV