Engineering Thermodynamics If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be 0°C 80°C 20°C 40°C 0°C 80°C 20°C 40°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Temperature of a gas is produced due to Kinetic energy of molecules Surface tension of molecules Repulsion of molecules Its heating value Kinetic energy of molecules Surface tension of molecules Repulsion of molecules Its heating value ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat and work are mutually convertible. This statement is called ___ law of thermodynamics. Zeroth Second First Third Zeroth Second First Third ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant Volume Temperature Internal energy Pressure Volume Temperature Internal energy Pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio) 1 - (1/r) γ/γ - 1 1 - (1/r) γ - 1/ γ rγ - 1 1 - rγ - 1 1 - (1/r) γ/γ - 1 1 - (1/r) γ - 1/ γ rγ - 1 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 v2/v1 (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
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