Basic Mechanical Engineering (3110006) MCQs

MCQs of Introduction

Showing 21 to 30 out of 38 Questions
1 2 3 4
21.
Absolute zero temperature is
(a) 0°C
(b) 273°C
(c) -273°C
(d) 100°C
Answer:

Option (c)

22.
The energy transfer from one system to another solely by reason off
(a) temperature difference
(b) difference of mass
(c) difference of heat
(d) none of these
Answer:

Option (a)

23.
Specific heat is defined as the amount required
(a) to raise the unit degree of the temperature of a substance
(b) to raise unit mass of a substance through the unit degree of temperature
(c) to raise unit mass of a substance through 10°C
(d) none of these
Answer:

Option (b)

24.
The relation between specific heats of the gas at constant pressure and at constant volume is given by
(a) Cp=Cv
(b) Cp>Cv
(c) Cp<Cv
(d) Cp=2Cv
Answer:

Option (b)

25.
Which of the following is a path function?
(a) Heat
(b) Temperature
(c) Pressure
(d) Volume
Answer:

Option (a)

26.
Heat energy is
(a) stored energy
(b) energy in transition
(c) not an energy
(d) none of these
Answer:

Option (b)

27.
Which property is called Intensive property?
(a) Viscosity
(b) Kinetic energy
(c) Internal energy
(d) Volume
Answer:

Option (a)

28.
Work is considered positive when
(a) work is done on the system
(b) work is done by the system
(c) both a and b
(d) none of the above
Answer:

Option (b)

29.
_______ is not the types of mechanical energy.
(a) Potential Energy
(b) Heat Energy
(c) Kinetic Energy
(d) None of these
Answer:

Option (b)

30.
The sum of internal energy (U) and the product of pressure and volume (p.v) is known as
(a) workdone
(b) entropy
(c) enthalpy
(d) heat
Answer:

Option (c)

Showing 21 to 30 out of 38 Questions
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