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Mechanical Engineering Exam  >  Mechanical Engineering Tests  >  GATE Mechanical (ME) Mock Test Series 2025  >  Test: Condensers, Evaporators & Expansion Devices - 2 - Mechanical Engineering MCQ

Test: Condensers, Evaporators & Expansion Devices - 2 - Mechanical Engineering MCQ


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10 Questions MCQ Test GATE Mechanical (ME) Mock Test Series 2025 - Test: Condensers, Evaporators & Expansion Devices - 2

Test: Condensers, Evaporators & Expansion Devices - 2 for Mechanical Engineering 2024 is part of GATE Mechanical (ME) Mock Test Series 2025 preparation. The Test: Condensers, Evaporators & Expansion Devices - 2 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Condensers, Evaporators & Expansion Devices - 2 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Condensers, Evaporators & Expansion Devices - 2 below.
Solutions of Test: Condensers, Evaporators & Expansion Devices - 2 questions in English are available as part of our GATE Mechanical (ME) Mock Test Series 2025 for Mechanical Engineering & Test: Condensers, Evaporators & Expansion Devices - 2 solutions in Hindi for GATE Mechanical (ME) Mock Test Series 2025 course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt Test: Condensers, Evaporators & Expansion Devices - 2 | 10 questions in 30 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study GATE Mechanical (ME) Mock Test Series 2025 for Mechanical Engineering Exam | Download free PDF with solutions
Test: Condensers, Evaporators & Expansion Devices - 2 - Question 1
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The capillary tube used as expansion device in vapour compression system works on the principle of

Test: Condensers, Evaporators & Expansion Devices - 2 - Question 2
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Consider the following advantages of refrigeration system using capiilary tube:
1. The cost of capillary tube is less than ail other forms of expansion devices.
2. No receiver is necessary.
3. Low starting torque motor can be used to drive the compressor.

Which of above is/are valid?

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Test: Condensers, Evaporators & Expansion Devices - 2 - Question 3
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Which of the following factor does not affect the condenser capacity?

Test: Condensers, Evaporators & Expansion Devices - 2 - Question 4
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The heat rejection factor (HRF) of a condenser is given by 
Detailed Solution for Test: Condensers, Evaporators & Expansion Devices - 2 - Question 4

The load on the condenser per unit of refrigeration capacity is known as HRF. Condenser load, Qc =  Refrigerating capacity 

Test: Condensers, Evaporators & Expansion Devices - 2 - Question 5
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The domestic refrigerator operating on vapour compression cycle uses the following device for expansion
Detailed Solution for Test: Condensers, Evaporators & Expansion Devices - 2 - Question 5

Capillary tube is used as an expansion device in small capacity hermetic sealed refrigeration units such as in domestic refrigerators, water coolers, room air-conditioners and freezers.

Test: Condensers, Evaporators & Expansion Devices - 2 - Question 6
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In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the
Detailed Solution for Test: Condensers, Evaporators & Expansion Devices - 2 - Question 6


Hence capillary tube is placed between condenser and evaporator.

Test: Condensers, Evaporators & Expansion Devices - 2 - Question 7
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A capillary tube is employed in a refrigeration cycle to
Detailed Solution for Test: Condensers, Evaporators & Expansion Devices - 2 - Question 7

Capillary tube control the flow of refrigerant by maintaining their enthalpy same.

Test: Condensers, Evaporators & Expansion Devices - 2 - Question 8
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Capillary tube is not used in large capacity refrigeration system because
Detailed Solution for Test: Condensers, Evaporators & Expansion Devices - 2 - Question 8

The capillary tube is not used in large capacity refrigeration systems because Capacity control is not possible.

Test: Condensers, Evaporators & Expansion Devices - 2 - Question 9
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Which one of the following is the most important function of thermostatic expansion valve
Detailed Solution for Test: Condensers, Evaporators & Expansion Devices - 2 - Question 9

Thermostatic expansion valve maintains constant degree of superheat in the evaporator.

Test: Condensers, Evaporators & Expansion Devices - 2 - Question 10
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In on-off control refrigeration system, which one of the following expansion devices is used?
Detailed Solution for Test: Condensers, Evaporators & Expansion Devices - 2 - Question 10

On-off control is done by thermostat. In the On- off control of the air-handling unit, the fan motor is operated intermittently by the room thermostat the bulb of which is installed in the return air.

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