Engineering Thermodynamics Barometric pressure is equal to Zero mm Hg 735.6 mm Hg 1 mm Hg 760 mm Hg Zero mm Hg 735.6 mm Hg 1 mm Hg 760 mm Hg ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called Specific heat at constant pressure None of these Specific heat at constant volume Kilo Joule Specific heat at constant pressure None of these Specific heat at constant volume Kilo Joule ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant) mcp (T2 - T1) mR (T2 - T1) mcv (T2 - T1) mcp (T2 + T1) mcp (T2 - T1) mR (T2 - T1) mcv (T2 - T1) mcp (T2 + T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected) δQ = T/ds None of the listed here δQ = T.ds dQ = ds/T δQ = T/ds None of the listed here δQ = T.ds dQ = ds/T ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied All of these When heat is being absorbed, temperature of hot source and working substance should be same When beat is being rejected, temperature of cold source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered All of these When heat is being absorbed, temperature of hot source and working substance should be same When beat is being rejected, temperature of cold source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is Theoretically possible May be possible with lot of sophistications Not possible Cost will be very high Theoretically possible May be possible with lot of sophistications Not possible Cost will be very high ANSWER DOWNLOAD EXAMIANS APP
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