Engineering Thermodynamics Which of the following gas has a minimum molecular mass? Hydrogen Methane Oxygen Nitrogen Hydrogen Methane Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All the processes, taking place in the cycle of operation, must be extremely slow All of these The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All the processes, taking place in the cycle of operation, must be extremely slow All of these The working parts of the engine must be friction free ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of one bar (in S. I. units) is equal to 1 × 103 N/m2 1 × 105 N/m2 1 × 102 N/m2 1 × 104 N/m2 1 × 103 N/m2 1 × 105 N/m2 1 × 102 N/m2 1 × 104 N/m2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics deals with Conservation of momentum Conservation of mass Conservation of heat Conservation of energy Conservation of momentum Conservation of mass Conservation of heat Conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will Increase/decrease depending on application Increase Decrease Remain unchanged Increase/decrease depending on application Increase Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. Do not change Change Both (A) and (B) None of these Do not change Change Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP