MCQs: In gas cycle refrigeration system, the throttle valve of a vapour compression refrigerant system is replaced by
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MCQs: How much is the temperature drop of real gas by throttling?
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MCQs: The ideal gas-refrigeration cycle is similar to
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MCQs: The horizontal line in psychrometric chart joining the change of state of air represents
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MCQs: Air at dry bulb temperature Td1 is passed through the heating coil and some amount of air is by passed unaffected and leaves with dry bulb temperature Tb2 and the temperature of heated air is Td3 (where Td2 < Td3), what is the correct formula for by pass factor (The amount of air by passed unaffected)?
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MCQs: Humidification is the process of addition moisture in air at
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MCQs: Which device used to separate condensate from the steam without letting steam escape?
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MCQs: The substance which is homogeneous and invariable in chemical composition throughout its mass is called as ____.
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MCQs: The two-property rule statement consists that ____.
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MCQs: Absolute pressure is measured as
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MCQs: A platinum resistance thermometer has a resistance of 2 ohm at 0° C and 3 ohm at 100° C. What will be the temperature when resistance indicates 5 ohm?
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MCQs: Heat flow is a quantity of heat transfer
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MCQs: The process in which no heat transfer takes place through boundaries is called as
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MCQs: Heat transfer is
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MCQs: The amount of heat required to raise a unit mass of substance through a unit rise in temperature is called as
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MCQs: The amount of heat transferred to convert unit mass of solid to vapour or vice versa is called as
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MCQs: Which among the following statements are correct? (1) Energy is an extensive property (2) Specific energy is an extensive property (3) Energy is a point function (4) Heat capacity is an extensive property
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MCQs: A quasi-static process has main characteristics as it is
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MCQs: A cyclic heat engine operates between a source temperature of 927 °C and a sink temperature of 27 °C. What will be the maximum efficiency of the heat engine?
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MCQs: PMM2 is the machine which violates ___________
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