Engineering Thermodynamics The first law of thermodynamics is the law of Conservation of mass Conservation of energy Conservation of heat Conservation of momentum Conservation of mass Conservation of energy Conservation of heat Conservation of momentum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as None of these Temperature Absolute temperature, if volume is kept constant Volume, if temperature is kept constant None of these Temperature Absolute temperature, if volume is kept constant Volume, if temperature is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When coal is first dried and then crushed to a fine powder by pulverizing machine, the resulting fuel is called Briquetted coal None of these Bituminous coal Wood charcoal Briquetted coal None of these Bituminous coal Wood charcoal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a gas turbine is given by (Net work output)/(Heat supplied) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Work-done by the turbine) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Heat supplied) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Work-done by the turbine) (Actual temperature drop)/(Isentropic temperature drop) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a free expansion process Both (A) and (B) above Work done is zero but heat increases Work done is zero Heat transfer is zero Both (A) and (B) above Work done is zero but heat increases Work done is zero Heat transfer is zero 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) 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 δQ = T/ds ANSWER DOWNLOAD EXAMIANS APP
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