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Month: January 2019

The same volume of all gases would represent their____________________?

August 16, 2021January 26, 2019 by admin
The same volume of all gases would represent their____________________?

A. densities
B. specific weights
C. molecular weights
D. gas characteristic constants
E. specific gravities

Categories Thermodynamics

Boyle’s law i.e. pV = constant is applicable to gases under ___________________?

August 16, 2021January 26, 2019 by admin
Boyle’s law i.e. pV = constant is applicable to gases under ___________________?

A. all ranges of pressures
B. only small range of pressures
C. high range of pressures
D. steady change of pressures
E. atmospheric conditions

Categories Thermodynamics

The behaviour of gases can be fully determined by___________________?

August 16, 2021January 26, 2019 by admin
The behaviour of gases can be fully determined by___________________?

A. 1 law
B. 2 laws
C. 3 laws
D. 4 laws

Categories Thermodynamics

Specific heat of air at constant pressure is equal to___________________?

August 16, 2021January 26, 2019 by admin
Specific heat of air at constant pressure is equal to___________________?

A. 0.17
B. 0.21
C. 0.24
D. 1.0
E. 1.41

Categories Thermodynamics

The condition of perfect vacuum, i.e., absolute zero pressure can be attained at ____________________?

August 16, 2021January 26, 2019 by admin
The condition of perfect vacuum, i.e., absolute zero pressure can be attained at ____________________?

A. a temperature of – 273.16°C
B. a temperature of 0°C
C. a temperature of 273 °K
D. a negative pressure and 0°C temperature
E. can’t be attained

Categories Thermodynamics

Absolute zero pressure will occur _____________________?

August 16, 2021January 26, 2019 by admin
Absolute zero pressure will occur _____________________?

A. at sea level
B. at the center of the earth
C. when molecular momentum of the system becomes zero
D. under vacuum conditions
E. at a temperature of – 273 °K

Categories Thermodynamics

Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to________________?

August 16, 2021January 26, 2019 by admin
Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to________________?

A. T
B. j
C. J2
D. Vr
E. 1/Vr

Categories Thermodynamics

Kinetic theory of gases assumes that the collisions between the molecules are________________?

August 16, 2021January 26, 2019 by admin
Kinetic theory of gases assumes that the collisions between the molecules are________________?

A. perfectly elastic
B. perfectly inelastic
C. partly elastic
D. partly inelastic
E. partly elastic and partly inelastic

Categories Thermodynamics

Temperature of a gas is produced due to________________?

August 16, 2021January 26, 2019 by admin
Temperature of a gas is produced due to________________?

A. its heating value
B. kinetic energy of molecules
C. repulsion of molecules
D. attraction of molecules
E. surface tension of molecules

Categories Thermodynamics

The unit of pressure in S.I. units is____________________?

August 16, 2021January 26, 2019 by admin
The unit of pressure in S.I. units is____________________?

A. kg/cm2
B. mm of water column
C. pascal
D. dynes per square cm
E. bars

Categories Thermodynamics
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