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Refrigeration And Air Conditioning MCQ Questions & Answers | Mechanical Engineering

Learn Refrigeration And Air Conditioning MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Refrigeration And Air Conditioning MCQ question is the important chapter for a Mechanical Engineering and GATE students. Page-10 section-2

Each section contains 100 MCQs on Refrigeration and Air Conditioning .
91
In Electrolux refrigerator
Discuss
Answer & Solution
Answer: Option C
Solution:
In Electrolux refrigerator Ammonia evaporates in hydrogen
92
The dry bulb temperature lines, on the psychrometric chart are
Discuss
Answer & Solution
Answer: Option A
Solution:
The dry bulb temperature lines, on the psychrometric chart are Vertical and uniformly spaced
93
The relative humidity lines on a psychrometric chart are
Discuss
Answer & Solution
Answer: Option D
Solution:
The relative humidity lines on a psychrometric chart are Curved lines
94
Where does the lowest temperature occur in a vapour compression cycle?
Discuss
Answer & Solution
Answer: Option B
Solution:
Evaporator is the lowest temperature occur in a vapour compression cycle
95
The refrigerant supplied to a compressor must be
Discuss
Answer & Solution
Answer: Option A
Solution:
The refrigerant supplied to a compressor must be Superheated vapour refrigerant
96
One ton refrigeration corresponds to
Discuss
Answer & Solution
Answer: Option A
Solution:
One ton refrigeration corresponds to 50 kcal/min.
97
Ammonia absorption refrigeration cycle requires
Discuss
Answer & Solution
Answer: Option A
Solution:
Ammonia absorption refrigeration cycle requires Very little work input
98
The leakage in a refrigeration system using Freon is detected by
Discuss
Answer & Solution
Answer: Option A
Solution:
The leakage in a refrigeration system using Freon is detected by Halide torch
99
In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor.
Discuss
Answer & Solution
Answer: Option A
Solution:
In order to collect liquid refrigerant and to prevent it from going to a Compressor , a device known as accumulator is used at the suction of compressor.
100
The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases,
Discuss
Answer & Solution
Answer: Option A
Solution:
The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases Will be higher