Refrigeration 3

Refrigeration 3

University

11 Qs

quiz-placeholder

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Refrigeration 3

Refrigeration 3

Assessment

Quiz

Physics, Mathematics

University

Hard

Created by

Jarrod Tebb

Used 13+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Latent heat is that required to:

bring a substance to boiling point

bring a substance to freezing point

none of these

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true?

sensible heat is always greater than latent heat

latent is usually higher than sensible heat

sensible heat is always the same as latent heat

latent heat will always be greater than sensible heat

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much superheat can gauges measure?

only up to 5˚C

only superheat that is over the saturation point

only superheat between the evaporator and compressor

none of these

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The definition of subcooling is:

any cooling that occurs inside the cooling space

any cooling that occurs below the saturation point

cooling that occurs in the low pressure zone

none of these

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you convert 0˚C to Kelvins, what do you get?

101.3K

0K

-273K

273K

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you convert 150kpag to kpaa?

150 kpaa (approx.)

100 kpaa (approx.)

250 kpaa (approx.)

50 kpaa (approx.)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In what position is the valve shaft in this image?

back seated valve

front seated valve

mid seated valve

cracked of the back seat

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