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Compressor Unit 23 HVAC Test 1 Questions with Verified Solutions $12.99   Add to cart

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Compressor Unit 23 HVAC Test 1 Questions with Verified Solutions

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Compressor Unit 23 HVAC Test 1 Questions with Verified Solutions large industrial refrigeration and air condition systems - Answer-The screw type compressor is used primarily in______. residential air conditioning - Answer-Rotary compressors are used primarily in_______. volume of the spa...

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  • September 13, 2024
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  • 2024/2025
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  • Compressor Unit 23 HVAC
  • Compressor Unit 23 HVAC
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Compressor Unit 23 HVAC Test 1
Questions with Verified Solutions
large industrial refrigeration and air condition systems - Answer-The screw type
compressor is used primarily in______.

residential air conditioning - Answer-Rotary compressors are used primarily in_______.

volume of the space between the bottom of the valve plate and the top of the piston at
top dead center - Answer-The clearance volume of a compressor cylinder is the
______.

it allows a compressor design with less clearance volume - Answer-The discus valve
design is more efficient than a flapper valve design because_____.

common to start and common to run - Answer-Which of the following terminal
combinations would show an open circuit if the internal overload device in a hermetic
compressor should open due to excessive heat?

True - Answer-The suction and discharge valves in a reciprocating compressor open
and close depending on the difference in pressure across them.

True - Answer-Scroll compressors are becoming popular because they can handle
some liquid flood back without compressor damage.

False - Answer-The scroll compressor is one type of reciprocating compressor.

False - Answer-Rotary compressors have pistons that rotate inside the cylinders.

True - Answer-Rotary compressors have no clearance volume.

False - Answer-The sight glass on a semi hermetic compressor is used to allow light to
enter the crankcase to keep the oil warm.

True - Answer-The shell of a hermetic type reciprocating compressor is in the low
pressure side of the system

False - Answer-The hermetic reciprocating compressor motor is essentially made of the
same materials as an open type compressor motor.

True - Answer-A bolted together motor compressor assembly is sometimes referred to
as a semi hermetic type.

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