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Modern Refrigeration and Air Conditioning, 21st Edition by Althouse - Chapters 1-55 $17.99   Add to cart

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Modern Refrigeration and Air Conditioning, 21st Edition by Althouse - Chapters 1-55

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Modern Refrigeration and Air Conditioning, 21st Edition by Althouse - Chapters 1-55

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  • August 17, 2024
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  • 2024/2025
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Test Bank: Modern Refrigeration and Air Conditioning,
21st Edition by Althouse - Chapters 1-55,
9781635638776 | Rationals Included



A 50 hp motor is equal to how many watts - ANSWER: 37300

How many BTU per hour is a five-ton air conditioner rated to absorbs? - ANSWER: 60006

Which of the following causes a change to temperature of a substance? - ANSWER: sensible heat

The amount of heat in BTU to raise 10 pound of water from 40 degrees to 41 degrees is - ANSWER: 1

A manometer measure low pressure in air ducts using - ANSWER: inches of water

A compound gauge measures what - ANSWER: pressure above and below atmosphere

A change in the type of refrigerant in a system shall not be move

1 without the permission of the local jurisdiction or 2. without evaluation of suitabitive or
both/neither - ANSWER: both

How many types of EPA Certification? - ANSWER: 4

HVAC and refrigeration equipment nameplate shall include the manufacture name or trademark serial
number and what? - ANSWER: seal or mark of testing agency

The exhaust valve of reciprocating compressor

1. operate at a higher temperature than intake or 2. is larger than the intake valve - ANSWER: 1.
operate at a higher temperature than intake

The safety device that prevents liquid refrigerant from flowing into the compressor is the - ANSWER:
accumulator

A six hp compressor using ammonia as a refrigerant shall be at least ____feet
from______hour fire rated construction - ANSWER: 15,1.5

A positive displacement compressor shall have stop valves installed

1.each inlet or 2. each outlet - ANSWER: Both inlet & outlet

What type compressor is shown in figure 2.1 - ANSWER: harmetic

A double- indirect open spray refrigeration system is classified as what type of system? - ANSWER:
low probability

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