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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

According to Dalton’s law, the total pres sure of the mixture of gases is equal to________________?

August 16, 2021January 26, 2019 by admin
According to Dalton’s law, the total pres sure of the mixture of gases is equal to________________?

A. greater of the partial pressures of all
B. average of the partial pressures of all
C. sum of the partial pressures of all
D. sum of the partial pressures of all divided by average molecular weight
E. atmospheric pressure

Categories Thermodynamics

An ideal gas as compared to a real gas at very high pressure occupies_________________?

August 16, 2021January 26, 2019 by admin
An ideal gas as compared to a real gas at very high pressure occupies_________________?

A. more volume
B. less volume
C. same volume
D. unpredictable behaviour
E. no such correlation

Categories Thermodynamics

The unit of energy in S.I. units is________________?

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

A. watt
B. joule
C. joule/s
D. joule/m
E. joule m.

Categories Thermodynamics

The unit of mass in S.I. units is ____________________?

August 16, 2021January 26, 2019 by admin
The unit of mass in S.I. units is ____________________?

A. kilogram
B. gram
C. tonne
D. quintal
E. newton

Categories Thermodynamics
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