Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 700° to 900°C 500° to 700°C 300° to 500°C 900° to 1100°C 700° to 900°C 500° to 700°C 300° to 500°C 900° to 1100°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Increasing the lowest temperature Increasing the highest temperature Keeping the lowest temperature constant Decreasing the highest temperature Increasing the lowest temperature Increasing the highest temperature Keeping the lowest temperature constant Decreasing the highest temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The work ratio of simple gas turbine cycle depends upon Pressure ratio Maximum cycle temperature Minimum cycle temperature All of these Pressure ratio Maximum cycle temperature Minimum cycle temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Absolute zero pressure will occur At sea level At a temperature of 273°K When molecular momentum of the system becomes zero Under vacuum conditions At sea level At a temperature of 273°K When molecular momentum of the system becomes zero Under vacuum conditions ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Clausius statement of second law of thermodynamics Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can Heat can Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can Heat can ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is Equal to one Less than one None of these Greater than one Equal to one Less than one None of these Greater than one ANSWER DOWNLOAD EXAMIANS APP
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