Engineering Thermodynamics The condition for the reversibility of a cycle is All of these 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 The working parts of the engine must be friction free All of these 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 The working parts of the engine must be friction free ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The behavior of super-heated vapour is similar to that of Perfect gas Steam Air Ordinary gas Perfect gas Steam Air Ordinary gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Stirling cycle consists of One constant volume, one constant pressure and two isentropic processes Two constant pressure and two isothermal processes Two constant volume and two isothermal processes Two constant volume and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two constant pressure and two isothermal processes Two constant volume and two isothermal processes Two constant volume and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 1000 K 1200 K 800 K 1400 K 1000 K 1200 K 800 K 1400 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law for the expansion or compression of gases, is pvγ = C pv = m R T pv = C pvn = C pvγ = C pv = m R T pv = C pvn = C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure can be attained at a temperature of -273°C None of these 273 K 0°C -273°C None of these 273 K 0°C ANSWER DOWNLOAD EXAMIANS APP
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