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Thermodynamics

Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure___________________?

Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure___________________?

A. enthalpy
B. volume
C. mass
D. entropy
E. specific volume

Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure___________________? Read More »

Thermodynamics

The index of compression n tends to reach ratio of specific heats y when____________________?

The index of compression n tends to reach ratio of specific heats y when____________________?

A. flow is uniform and steady
B. process is isentropic
C. process is isothermal
D. process is isentropic and specific heat does not change with temperature
E. process is isentropic and specific heat changes with temperature

The index of compression n tends to reach ratio of specific heats y when____________________? Read More »

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__________________?

If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be__________________?

A. 80°C
B. 0°C
C. 40°C
D. 20°C
E. 60°C

If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be__________________? Read More »

Thermodynamics

The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is______________________?

The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is______________________?

A. 29.27 kgfm/mol°K
B. 8314kgfm/mol°K
C. 848kgfm/mol°K
D. 427kgfm/mol°K
E. 735 kgfm/mol°K

The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is______________________? Read More »

Thermodynamics

Universal gas constant is defined as equal to product of the molecular weight of the gas and_______________?

Universal gas constant is defined as equal to product of the molecular weight of the gas and_______________?

A. specific heat at constant pressure
B. specific heat at constant volume
C. ratio of two specific heats
D. gas constant
E. unity.

Universal gas constant is defined as equal to product of the molecular weight of the gas and_______________? Read More »

Thermodynamics