unit 41

unit 41

11th Grade - University

25 Qs

quiz-placeholder

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unit 41

unit 41

Assessment

Quiz

Life Skills

11th Grade - University

Easy

Created by

Ken Hassinger

Used 51+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

As a rule of thumb, the air leaving the evaporator will be about ____ than the air entering the evaporator.

10-15° warmer

10-15° cooler

17-20° cooler

17-20° warmer

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A service valve can be used to ____.

check the electrical service to the compressor

isolate the refrigerant so the system can be serviced

check the air flow across the evaporator

check the ambient temperature at the condenser

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A typical evaporator superheat reading at the evaporator outlet for a central air-conditioning system on a 95°F day would be ____°F.

5-7

8-10

10-12

12-15

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

On a 95°F day, the R-22 refrigerant pressure on the high side should be about ____ psig

108

182

243

297

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The liquid line temperature is used to determine the ____ of a condenser.

superheat

lowside pressure

suction pressure

subcooling

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

To accurately add refrigerant to a system, a condenser ambient temperature of ____°F should be simulated.

75

85

95

100

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The instrument to use to check for a short in the compressor motor winding is a(n) ____.

ohmmeter

ammeter

voltmeter

millimeter

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