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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

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Mechanical Engineering MCQs prepared for job test and interview preparation, especially for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover key topics such as Machine Design, Theory of Machines, Hydraulic Machines, and other important mechanical engineering concepts.

All Topics  1919

Kinetic theory of gases assumes that the collisions between the molecules are________________?
A perfectly elastic
B perfectly inelastic
C partly elastic
D partly inelastic
Correct Answer: perfectly elastic
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
Correct Answer: kinetic energy of molecules
The unit of pressure in S.I. units is____________________?
A kg/cm2
B mm of water column
C pascal
D dynes per square cm
Correct Answer: pascal
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
Correct Answer: sum of the partial pressures of all
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
Correct Answer: more volume
The unit of energy in S.I. units is________________?
A watt
B joule
C joule/s
D joule/m
Correct Answer: joule
The unit of mass in S.I. units is ____________________?
A kilogram
B gram
C tonne
D quintal
Correct Answer: kilogram
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