
Aircond
Authored by Lee Zhen Hing
Professional Development
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many bar of pressure at low pressure side during operation
1 bar
2-3 bar
3-4 bar
12-14 bar
20 bar
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many bar on high pressure side during operation of AC
1 bar
2-3 bar
12-20 bar
More than 22 bar
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Function of expansion valve
To expand the refrigerant
To produce high pressure refrigerant
To convert liquid refrigerant to mist form
To regulate the pressure
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What material is inside refrigerant dryer?
Sodium
Chlorofluorocarbon
Carbon
Silica
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of refrigerant is the newest?
R12
R22
R134a
R1234yf
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is type of oil is used in Electric Aircond compressor
PAO
PAG
POE
PPC
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of oil used in conventional aircond machine
PAO
PAG
POE
POC
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