
ENGINEERS' DAY QUIZ BY ISHRAE

Quiz
•
Engineering
•
4th Grade
•
Hard
Parvathy D
Used 2+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The chemical components of HCFC refrigerants are
Hydrogen, Chlorine, Freon, and Carbon
Hydrogen, Chlorine, Fluorine, and Carbon
Helium, Chlorine, Freon, and Carbon
Helium, Chlorine, Fluorine, and Carbon
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary environmental concern associated with HCFC refrigerants?
Water pollution
Global warming
Soil contamination
Ozone depletion
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The refrigerant in a mechanical compression refrigeration system absorbs and releases heat by
Changing its temperature
Changing its molecular composition
Changing its physical state
Converting heat to work
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following devices can respond to changes in refrigeration conditions?
Throttle Valve
Orifice
Capillary tube
Thermostatic expansion valve
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The three basic types of condensers used with HVAC/R systems are
Air cooled, water cooled, and evaporative
External, internal, and cross-charged
Condensing, non-condensing, and static
Standard, metric, and transitional
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The purpose of the condenser in a refrigeration system is to
Absorb heat into the refrigerant
Reject heat from the refrigerant
Condense water vapor in the atmosphere
Reject heat from the condensing medium
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a common method for leak detection in refrigeration systems?
Ultrasonic testing
Visual inspection
Pressure testing
All of the above
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