Engineering Thermodynamics If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as Free expansion Adiabatic expansion Throttling Hyperbolic expansion Free expansion Adiabatic expansion Throttling Hyperbolic expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A diathermic wall is one which Encourages thermal interaction Permits thermal interaction Prevents thermal interaction Discourages thermal interaction Encourages thermal interaction Permits thermal interaction Prevents thermal interaction Discourages thermal interaction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero temperature is taken as -273°C -237°C 273°C 237°C -273°C -237°C 273°C 237°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Decreasing the highest temperature Keeping the lowest temperature constant Increasing the lowest temperature Increasing the highest temperature Decreasing the highest temperature Keeping the lowest temperature constant Increasing the lowest temperature Increasing the highest temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is 54°C 327°C 108°C 654°C 54°C 327°C 108°C 654°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 15 to 30 3 to 6 5 to 8 10 to 20 15 to 30 3 to 6 5 to 8 10 to 20 ANSWER DOWNLOAD EXAMIANS APP
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