Filters
Question type
Study Flashcards

Why are phase-change (eutectic) solutions used inside the cold plates mounted in the walls or ceiling of trucks ?

Correct Answer

verifed

verified

When the change of state occur...

View Answer

Nitrogen is not suitable for breathing because it has no ____________________ in it .

Correct Answer

verifed

verified

In a cascade system, the condensing refrigerant in one stage is used to evaporate the refrigerant in another stage .

A) True
B) False

Correct Answer

verifed

verified

Refrigerated trucks are equipped with systems that are designed primarily to maintain a product's temperature while being transported.

A) True
B) False

Correct Answer

verifed

verified

Where are cascade systems primarily used?


A) Extra-low temperature range.
B) Low temperature range.
C) Medium and low temperature ranges.
D) Medium temperature range.

E) A) and B)
F) B) and C)

Correct Answer

verifed

verified

A eutectic solution is a(n) ____.


A) phase change solution
B) very warm solution
C) acid solution
D) explosive solution

E) C) and D)
F) All of the above

Correct Answer

verifed

verified

Cargo ship refrigeration units are usually sized with very little reserve capacity .

A) True
B) False

Correct Answer

verifed

verified

Showing 21 - 27 of 27

Related Exams

Exam 1

Heat and Pressure

45 Questions

Exam 2

Matter and Energy

32 Questions

Exam 3

Refrigeration and Refrigerants

38 Questions

Exam 4

General Safety Practices

31 Questions

Exam 5

Tools and Equipment

30 Questions

Exam 6

Fasteners

32 Questions

Exam 7

Tubing and Piping

45 Questions

Exam 8

Leak Detection, System Evacuation and System Clean-Up

33 Questions

Exam 9

Refrigerant and Oil Chemistry and Managementrecovery, Recycling, Reclaiming, and Retrofitting

39 Questions

Exam 10

System Charging

27 Questions

Exam 11

Calibrating Instruments

34 Questions

Exam 12

Basic Electricity and Magnetism

46 Questions

Exam 13

Introduction to Automatic Controls

30 Questions

Exam 14

Automatic Control Components and Applications

34 Questions

Exam 15

Troubleshooting Basic Controls

33 Questions

Exam 16

Advanced Automatic Controlsdirect Digital Controls Ddc and Pneumatics

35 Questions

Exam 17

Types of Electric Motors

36 Questions

Exam 18

Application of Motors

33 Questions

Exam 19

Motor Controls

31 Questions

Exam 20

Troubleshooting Electric Motors

30 Questions

Exam 21

Evaporators and the Refrigeration System

37 Questions

Exam 22

Condensers

35 Questions

Exam 23

Compressors

35 Questions

Exam 24

Expansion Devices

29 Questions

Exam 25

Special Refrigeration System Components

35 Questions

Exam 26

Application of Refrigeration Systems

34 Questions

Exam 27

Commercial Ice Machines

35 Questions

Exam 29

Troubleshooting and Typical Operating Conditions for Commercial Refrigeration

34 Questions

Exam 30

Electric Heat

29 Questions

Exam 31

Gas Heat

27 Questions

Exam 32

Oil Heat

35 Questions

Exam 33

Hydronic Heat

35 Questions

Exam 34

Indoor Air Quality

35 Questions

Exam 35

Comfort and Psychrometrics

35 Questions

Exam 36

Refrigeration Applied to Air Conditioning

31 Questions

Exam 37

Air Distribution and Balance

35 Questions

Exam 38

Installation

32 Questions

Exam 39

Residential Energy Auditing

35 Questions

Exam 40

Typical Operating Conditions

25 Questions

Exam 41

Troubleshooting

28 Questions

Exam 42

Heat Gain and Heat Loss in Buildings

35 Questions

Exam 43

Air Source Heat Pumps

35 Questions

Exam 44

Geothermal Heat Pumps

31 Questions

Exam 45

Domestic Refrigerators and Freezers

35 Questions

Exam 46

Room Air Conditioners

34 Questions

Exam 47

High-Pressure, Low-Pressure, and Absorption Chilled-Water Systems

35 Questions

Exam 48

Cooling Towers and Pumps

30 Questions

Exam 49

Operation, Maintenance, and Troubleshooting of Chilled-Water Air Conditioning Systems

28 Questions

Exam 50

Commercial Rooftop, Packaged, Variable Refrigerant Flow, and Variable Air Volume Systems

35 Questions

Show Answer