Engineering Thermodynamics For which of the following substances, the gas laws can be used with minimum error Wet steam Superheated steam Dry steam Saturated steam Wet steam Superheated steam Dry steam Saturated steam ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Keeping the lowest temperature constant Increasing the lowest temperature Increasing the highest temperature Decreasing the highest temperature Keeping the lowest temperature constant Increasing the lowest temperature Increasing the highest temperature Decreasing the highest temperature 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 dQ = ds/T δQ = T/ds δQ = T.ds None of the listed here dQ = ds/T δQ = T/ds δQ = T.ds ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If the value of n = 0 in the equation pvn = C, then the process is called Adiabatic process Isothermal process Constant pressure process Constant volume process Adiabatic process Isothermal process Constant pressure process Constant volume process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football Remains at the same temperature Becomes cooler Becomes hotter May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes cooler Becomes hotter May become hotter or cooler depending upon the humidity of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Clausius statement of second law of thermodynamics Heat can Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity ANSWER DOWNLOAD EXAMIANS APP