Engineering Thermodynamics A perpetual motion machine is A hypothetical machine whose operation would violate the laws of thermodynamics A thermodynamic machine A hypothetical machine A non-thermodynamic machine A hypothetical machine whose operation would violate the laws of thermodynamics A thermodynamic machine A hypothetical machine A non-thermodynamic machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following gas has a minimum molecular mass? Hydrogen Nitrogen Oxygen Methane Hydrogen Nitrogen Oxygen Methane ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Brayton cycle consists' of following four processes Two isentropic and two constant pressures Two isothermal and two isentropic Two isentropic, one constant volume and one constant pressure Two isentropic and two constant volumes Two isentropic and two constant pressures Two isothermal and two isentropic Two isentropic, one constant volume and one constant pressure Two isentropic and two constant volumes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is All the processes, taking place in the cycle of operation, must be extremely slow 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 of these All the processes, taking place in the cycle of operation, must be extremely slow 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 of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits? O₂, N₂, steam, CO₂ O₂, N₂, water vapour O₂, N₂, H₂, air SO₂, NH₃, CO₂, moisture O₂, N₂, steam, CO₂ O₂, N₂, water vapour O₂, N₂, H₂, air SO₂, NH₃, CO₂, moisture ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carbonization of coal consists of None of these Heating the wood with a limited supply of air to temperature not less than 280°C Drying and crushing the coal to a fine powder Moulding the finely ground coal under pressure with or without a binding material None of these Heating the wood with a limited supply of air to temperature not less than 280°C Drying and crushing the coal to a fine powder Moulding the finely ground coal under pressure with or without a binding material ANSWER DOWNLOAD EXAMIANS APP
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