Articles Posted in the " MCQ " Category

  • *Multiple Choice Questions (mcq) on Refrigeration – Expansion of gases

    *Multiple Choice Questions (mcq) on Refrigeration – Expansion of gases

    Multiple Choice Questions (mcq) on Refrigeration – Expansion of gases When air expands at room temperature (a) Heating is produced (b) Cooling is produced (c) Neither heating nor cooling is produced (d) None (Ans:b) When Hydrogen expands at room temperature (a) Heating is produced (b) Cooling is produced (c) Neither heating nor cooling is produced (d) […]




  • *Multiple Choice Questions (mcq) on Refrigeration—Cascade Refrigeration

    *Multiple Choice Questions (mcq) on Refrigeration—Cascade Refrigeration

    Multiple Choice Questions (mcq) on Refrigeration—Cascade Refrigeration Cascade refrigeration is applicable to (a) Air refrigeration (b) Vapor compression refrigeration (c) Vapor absorption refrigeration (d) None (Ans: b) In cascade refrigeration, number of refrigerants used is (a) ≤ One (b) ≥ Two (c) Zero (d) None (Ans: b) Cascading refrigeration is applicable for (a) Cold storage (b) […]


  • * Multiple Choice Questions (mcq) on Refrigeration — Vapor Absorption Refrigeration

    * Multiple Choice Questions (mcq) on Refrigeration — Vapor Absorption Refrigeration

    Multiple Choice Questions (mcq) on Refrigeration — Vapor Absorption Refrigeration Vapor absorption refrigeration uses (a) Mechanical energy (b) Electric energy (c) Kinetic energy (d) None (Ans: d) Vapor absorption refrigeration uses (a) Mechanical energy (b) Electric energy (c) Heat energy (d) None (Ans: c) Vapor absorption refrigeration uses (a) Potential energy (b) Datum energy (c) […]



  • * Multiple Choice Questions (mcq)  on Refrigeration — Refrigerant Leakage

    * Multiple Choice Questions (mcq) on Refrigeration — Refrigerant Leakage

    Multiple Choice Questions (mcq)  on Refrigeration Refrigerant Leakage Universal method of refrigerant leak detection is (a) Halide leak detector (b) Electronic leak detector (c) Soap solution method (d) None (Ans:c) Which method of refrigerant leak detection is valid for Ammonia (a) Halide leak detector (b) Electronic leak detector (c) Soap solution method (d) None (Ans:c) […]



  • * Multiple Choice Questions (mcq) On Refrigeration—Refrigerants

    * Multiple Choice Questions (mcq) On Refrigeration—Refrigerants

    Multiple Choice Questions (mcq) On Refrigeration—Refrigerants  Refrigerant used should be such that its normal boiling point is (a) Greater than the temperature required (b) Less than the temperature required (c) Equal to the temperature required (d) None (Ans:b) Pressure of refrigerant in the evaporator should be (a) Equal to the atmospheric pressure (b) Less than […]


  • * Multiple Choice Questions (mcq) on Refrigeration—-Expansion Valves

    * Multiple Choice Questions (mcq) on Refrigeration—-Expansion Valves

    Multiple Choice Questions (mcq) on Refrigeration—-Expansion Valves  Capillary tube is the expansion valve used in refrigeration and Air Conditioning  units of cooling capacity (a) < 3 tons (b) > 3 tons (c) <10 tons (d) None (Ans:a) Thermostatic expansion valve is used used in refrigeration and Air Conditioning  units of cooling capacity (a) < 3 […]