Refrigeration and Air Conditioning Critical temperature is the temperature above which A gas will immediately liquefy Water will evaporate Water will never evaporate A gas will never liquefy A gas will immediately liquefy Water will evaporate Water will never evaporate A gas will never liquefy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vertical lines on pressure-enthalpy chart show constant Total heat lines Pressure lines Entropy lines Temperature lines Total heat lines Pressure lines Entropy lines Temperature lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration cycle is used in Commercial refrigerators Gas liquefaction Domestic refrigerators Air conditioning Commercial refrigerators Gas liquefaction Domestic refrigerators Air conditioning ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning R-12 is generally preferred over R-22 in deep freezers since It has low operating pressures All of these It gives higher coefficient of performance It is miscible with oil over large range of temperatures It has low operating pressures All of these It gives higher coefficient of performance It is miscible with oil over large range of temperatures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Isentropic expansion process Constant pressure expansion process Isentropic compression process Constant pressure cooling process Isentropic expansion process Constant pressure expansion process Isentropic compression process Constant pressure cooling process ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible cooling of air Decreases Remains constant None of these Increases Decreases Remains constant None of these Increases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS