
Hydrocarbon Quiz
Authored by Jermaine Taffe
Chemistry
Professional Development
Used 1+ times

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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following will occur if R290 leaks from a system into an enclosed area?
it will immediately evenly disperse throughout the area
It will initially accumulate at a high level
It will immediately dissolve into the air
It will initially accumulate at a low level
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is R290?
Pentane
Propane
Propene
Propylene
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the following standards provides information regarding the training of engineers who work with hydrocarbon refrigerants?
EN 378
EN 5750
EN 60079
EN 14276
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why should a standard (open) klaxon not be fitted on a hydrocarbon refrigerant compressor?
It could be a source of ignition in the event of a refrigerant leak
The current consumption is greater than for HFC systems
Hydrocarbon compressors cannot be overloaded because of the lower density of the refrigerant
The compressor motors have a different motor winding configuration
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What additional safety device is typically fitted to an R290 chiller compared to an R407C chiller?
A hydrocarbon leak detection system
A halocarbon leak detection system
A staged pressure relief system
Triple pressure relief valves
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the radius of a safe work area when charging a hydrocarbon refrigerant system?
0.5 m
3 m
6 m
9 m
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a ventilation fan for hydrocarbon refrigerant have that differs from a standard fan?
An ex rated fan motor and long mains cable
An induction fan motor
An air flow rate of at least 20 m/s
An EC fan motor
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