(c) Sensible heat B. Pick up the wrong statement. The cooling effect is triggered by placing a metal alloy in a magnetic field. (d) None (c) Protect the appliance . The phenomenon of squirrel cage motor some time showing a tendency to run at a very low speed is known as a.) This test is Rated positive by 88% students preparing for Mechanical Engineering.This MCQ test is related (Ans:c) Multistage Refrigeration • Cooling effect is achieved when liquid refrigerant vaporizes by absorbing heat from the cold space. One ton of the refrigeration is (A) The standard unit used in refrigeration problems (B) The cooling effect produced by melting 1 ton of ice (C) The refrigeration effect to freeze 1 ton of water at 0 C into ice at 0 C in 24 hours (D) The (A) The standard unit used in refrigeration problems (B) The cooling effect produced by melting 1 ton of ice (C) The refrigeration effect to freeze 1 ton of water at 0 C into ice at 0 C in 24 hours (D) The refrigeration effect to produce 11.2.2 Cascade Refrigeration Propane refrigeration can produce refrigeration at −40°F, which is adequate for the hydrocarbon dew point controlling operation for pipeline gas applications. The refrigeration effect (a) Above Oo C In steam-jet refrigeration, cooling effect is produced by (b) Boyle’s Law (b) Cooling milk (Ans: d), Boot strap system of refrigeration is used in 5. One ton of the refrigeration is (A) The standard unit used in refrigeration problems (B) The cooling effect produced by melting 1 ton of ice (C) The refrigeration effect to freeze 1 ton of water at 0 C into ice at 0 C in 24 hours ASWDC (App, Software & Website Development Center) Darshan Ans: b 2. Refrigerants - MCQs with Answers Q1. 14 Refrigeration Cycles 14.1. (a) Core loss (b) Friction loss✔ (c) Eddy current loss ... Q.101. (d) None (c) OoC (d) None (Ans:c), In Pulse-tube refrigeration, cooling effect is produced by While designing air craft refrigeration system, the most important aspect is Importance of   Reactive power for power system Introduction 》We always in practice to reduce reactive power toimprove system effic... What is Tertiary Winding? The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequen... Q.1. (a) Latent heat www.gtu-mcq.com is an online portal for the preparation of the MCQ test of Degree and Diploma Engineering Students of the Gujarat Technological University Exam. (Ans: a), Steam vapors follow Fundamentals of refrigeration : Introduction—Elements of refrigeration systems— Refrigeration systems—Co-efficient of performance (C.O.P. (Ans:a), In vapor absorption refrigeration, cooling effect is produced by (a) COP should be high (a) Latent heat In Cascade refrigeration, cooling effect is produced by (a) Latent heat (b) Total heat (c) Sensible heat (d) None (Ans:a) The ratio of COP of a two stage Cascade refrigeration system vs three stage cascade system is (a) < 1 cathode, the curve betw... Delectable Living . cooling effect can be achieved by using the same power input. A. the standard unit used in refrigeration problems B. the cooling effect produced by melting 1 ton of ice C. the refrigeration effect to freeze 1 ton of water at 0 C into ice at 0 C in 24 hours D. the refrigeration effect to produce 1 ton of When two refrigerating cycles are used in series with two different refrigerants, the system is known as a. dual refrigeration system b. cascade refrigeration … Steam jet, Thermo-electric cooling are non conventional methods of refrigeration. (d) None The United Nations report on Refrigeration Technical Options (1) takes the range of sizes for industrial systems as 10 kW to 10 MW of refrigerating effect, at cooling temperatures ranging from -50 C … a.) (c) Air-craft Thermoelectric Refrigeration: An Introduction Thermoelectric cooling uses the Peltier effect to create a heat flux between the junctions of two different types of materials. (a) the standard unit used in refrigeration problems (b) the cooling effect produced by melting 1 ton of ice (c) the refrigeration effect to freeze 1 ton of water at 0 C into ice at 0 C in 24 hours (d) the refrigeration effect to produce 1 ton (b) Below OoC Cogging b.) (b) Total heat As shown in Fig. MCQ Topic Outline included in ME Board Exam Syllabi MCQ in Principles of Different Refrigeration Systems MCQ in Determination of Cooling Loads MCQ in Basic Design of Ice Plants, Cold Storage and Skating Rinks MCQ in Jan 12,2021 - Test: RAC Practice (Level -I)- 1 | 25 Questions MCQ Test has questions of Mechanical Engineering preparation. (d) None He... Q.101. (c) Sensible heat (d) Prevent exc... Q.51. )Maximum c.)Zero✔ d.)Cannot... . Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. Rectification b.) In some high rating transformer, one winding in addition to its primary ... 121. Cooling water is required for following equipment in ammonia absorption plant (a) condenser (b) evaporator (c) absorber (d) condenser and absorber (e) condenser, absorber and separator (rectifier). (a) Latent heat (B) the cooling effect produced by melting of 1 ton of ice (C) the refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours (D) the refrigeration effect to produce 1 … (c) Sensible heat (c) Charles Law (b) Total heat One ton of the refrigeration is a) The standard unit used in refrigeration problems b) The cooling effect produced by melting 1 ton of ice c) The refrigeration effect to freeze 1 ton of water at 0 C into ice at 0 C in 24 hours d) The Pelton wheel is which type of turbine? (Ans:a), In a Thermo-electric refrigeration, cooling effect is produced by Simple theme. (b) Total heat (c) Weight of refrigeration equipment per ton should be high The phase different between current  and voltage is 90° , the real power will be a. 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