ACR-104 Unit 22

ACR-104 Unit 22

33 Qs

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ACR-104 Unit 22

ACR-104 Unit 22

Assessment

Quiz

others

Medium

Created by

Timothy McIntyre

Used 4+ times

FREE Resource

33 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The refrigerant in a condenser in a refrigeration system ____.
rejects heat
absorbs heat
changes to a vapor
is under lower pressure than the evaporator

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The condenser in a refrigeration system ____.
All of the above.
desuperheats the vapor from the compressor
condenses the vapor from the compressor
subcools the liquid refrigerant before it leaves the condenser

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A normally operating water-cooled condenser is operating with a 10°F differential between water in and water out. If scale forms on the water tubes and the entering water is 85°F, which of the following is possible?
Both are correct
None are correct
The outlet water temperature will be lower than expected.
The system head pressure will rise.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mineral deposits on the water side of a water-cooled condenser act as a(n) ____.
insulator
conductor of heat
cleaning solution
They have no effect on the operation of the condenser.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a water-cooled condenser with dirty condenser tubes, the temperature difference between the refrigerant and the leaving water will be ____ when the tubes are clean.
greater than
less than
the same as
slightly lower than

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The water circuit in shell-and-coil and tube-within-a-tube coil condensers must be cleaned ____.
chemically
by removing the end caps
with a brush
by air pressure

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The shell-and-tube condenser is cleaned ____.
with a brush after removing the end caps
only with chemicals
with compressed air
with a vacuum cleaner

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