In a refrigerating machine heat rejected is
WebIn a refrigerating machine, heat rejected is ________ the heat absorbed. a) equal tob) less than c) in unity with d) greater than Answer: dExplanation: Heat rejected in refrigerating … Webreplacing the turbine by a throttle valve. by implication; isothermal processes are replaced by constant pressure processes. The cycle consists of: 1-2: Isentropic compression. 2-3: …
In a refrigerating machine heat rejected is
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WebApr 5, 2024 · answered. in a refrigerating machine, heat rejected is __________ heat absorbed. 1. equal to 2. greater than 3. less than 4. none of the options. WebIf the gas can be cooled, to say 40°C as shown in Fig. 2.10, the refrigerating effect is similar to that with heat rejection at 30°C, but the power input is higher. In the cycle shown, the …
WebIn a refrigerating machine, heat rejected is __________ heat absorbed. equal to less than greater than none of the above Answer is: greater than Explanation: In a refrigerating … Web4) In a refrigerating machine, heat rejected is __________ heat absorbed. equal to less than greater than none of the above 5) The humidity ratio or specific humidity is the mass of water vapour present in 1 m 3 of wet air 1 m 3 of dry air 1 kg of wet air 1 kg of dry air 6) The formation of frost on cooling coils in a refrigerator
WebHeat of Compression + Evaporating Load = Total Heat of Rejection . Heat of Compression = 22,100 Btu . Evaporating Load = 40,200Btu Total Heat of Rejection = 62,300 Btu. Total Heat of Rejection (THR) is the heat absorbed at the evaporator plus the heat picked up in the … WebA The evaporator in this system is never in direct contact with the material or space being refrigerated. B For large systems calcium chloride brine is cooled by the evaporator then pumped to the area being refrigerated. C Water cooled by the chiller evaporation coils is used to refrigerate at temperatures below 0º C.
WebQuestion 7 : The C.O.P of a refrgerating machine ,when lower temperature is fixed ,can be improved by. Option-3 : heat absorbed in the cycle from the body or space to be cooled. Question 9 : One tonne refrigeration in S.I units is equivalent to. Option-1 : The co- efficient of performance is always less than one.
WebIn a refrigerating machine, heat rejected is ..... heat absorbed. answer choices . Equal to. Less than . Greater than . partially less than Equal to ... When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be. answer choices (A) 1.33 (B) 2.33 (C) 3.33 bl8 chain linkWebAnswer: Option C Solution (By Examveda Team) In a refrigerating machine, heat rejected is Greater than heat absorbed. Join The Discussion 1 ) 2 years ago Related Questions on … bl89.ccWebThis will reverse the direction of heat and work interactions, therefore producing a refrigeration cycle. The cycle consists of 1-2: Isothermal heat transfer from cold medium to refrigerant (Evaporator) 2-3: Isentropic (Reversible adiabatic) compression 3-4: Isothermal heat rejection (condenser) 4-1: Isentropic Expansion daughters song lyricsWebone should take into account the steam temperature before deciding as to which insulation is put where ⇒ The ratio of heat extracted in the refrigerator to the workdone on the … bl8d thkWebWaste heat or heat rejection is by necessity produced both by machines that do work and in other processes that use energy , for example in a refrigerator warming the room air or a … bl8 chainWebJun 29, 2024 · Answer: C In a refrigerating machine, heat rejected is greater than heat absorbed. Solution: A refrigerator is a reversed heat engine that cools or maintains a … bl8t-19c116-aaWebThe amount of heat rejected to the cold reservoir, Q c, Q c, depends upon the efficiency of the heat engine. The smaller the increase in entropy, Δ S Δ S , the smaller the value of Q c … bl8g36c16u4wl.m8fe1