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 If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as Adiabatic expansion Free expansion Throttling Hyperbolic expansion Adiabatic expansion Free expansion Throttling Hyperbolic expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure can be attained at a temperature of None of these 0°C 273 K -273°C None of these 0°C 273 K -273°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Dalton's law, the total pressure of the mixture of gases is equal to Sum of the partial pressures of all divided by average molecular weight Greater of the partial pressures of all Average of the partial pressures of all Sum of the partial pressures of all Sum of the partial pressures of all divided by average molecular weight Greater of the partial pressures of all Average of the partial pressures of all Sum of the partial pressures of all ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Mond gas is obtained by Carbonisation of bituminous coal Passing air and a large amount of steam over waste coal at about 650°C Passing steam over incandescent coke Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonisation of bituminous coal Passing air and a large amount of steam over waste coal at about 650°C Passing steam over incandescent coke Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy Increases Remain constant First increases and then decreases Decreases Increases Remain constant First increases and then decreases Decreases ANSWER DOWNLOAD EXAMIANS APP
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