Engineering Thermodynamics Which of the following variables controls the physical properties of a perfect gas? Temperature Pressure All of these Volume Temperature Pressure All of these Volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The work ratio of a gas turbine plant is given by (Isentropic increase in temperature)/(Actual increase in temperature) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Work-done by the turbine) (Net work output)/(Heat supplied) (Isentropic increase in temperature)/(Actual increase in temperature) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Work-done by the turbine) (Net work output)/(Heat supplied) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The door of a running refrigerator inside a room was left open. Which of the following statements is correct? The room will be cooled to the temperature inside the refrigerator The room will be cooled very slightly The room will be gradually warmed up The temperature of the air in room will remain unaffected The room will be cooled to the temperature inside the refrigerator The room will be cooled very slightly The room will be gradually warmed up The temperature of the air in room will remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant Temperature Pressure Enthalpy Volume Temperature Pressure Enthalpy Volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The increase in entropy of a system represents Increase in temperature Degradation of energy Increase in availability of energy Decrease in pressure Increase in temperature Degradation of energy Increase in availability of energy Decrease in pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro's Hypothesis Product of the gas constant and the molecular weight of an ideal gas is constant The sum of partial pressure of mixture of two gases is sum of the two The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature Gases have two values of specific heat Product of the gas constant and the molecular weight of an ideal gas is constant The sum of partial pressure of mixture of two gases is sum of the two The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature Gases have two values of specific heat ANSWER DOWNLOAD EXAMIANS APP