MCQ Questions Mechanical Engineering Mechanics
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MCQ Questions Mechanical Engineering Mechanics - Set - 2
Question 1:
The forces, which meet at one point, but their lines of action do not lie in a plane, are called
(a) coplanar non-concurrent forces
(b) non-coplanar concurrent forces
(c) non-coplanar non-concurrent forces
(d) intersecting forces
Correct Answer – (B)
Question 2 :
Which of the following is not the unit of pressure ?
(a) kg/cm
(b) ata
(c) atmosphere
(d) newton
Correct Answer – (D)
Question 3 :
Which of the following is not the unit of power ?
(a) kcal/kg sec
(b) hp (horse power)
(c) kcal/sec
(d) kg m/sec
Correct Answer – (A)
Question 4 :
Which of the following do not have identical dimensions ?
(a) Momentum and impulse
(b) Torque and energy
(c) Torque and work
(d) Moment of a force and angular momentum
Correct Answer – (D)
Question 5 :
The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of
(a) forces
(b) independence of forces
(c) dependence of forces
(d) resolution of forces.
Correct Answer – (D)
MCQ Questions Mechanical Engineering Mechanics
Question 6:
The weight of a body is due to
(a) centripetal force of earth
(b) gravitational force of attraction towards the center of the earth
(c) forces experienced by body in atmosphere
(d) force of attraction experienced by particles
Correct Answer – (B)
Question 7:
Which of the following is not the unit of work, energy and heat ?
(a) kcal
(b) kg m
(c) kWhr
(d) hp
Correct Answer – (D)
Question 8:
Which of the following is not the unit of distance ?
(a) angstrom
(b) milestone
(c) micron
(d) millimetre
Correct Answer – (B)
Question 9:
The resolved part of the resultant of two forces inclined at an angle 9 in a given direction is equal to
(a) the algebraic sum of the resolved parts of the forces in the given direction
(b) the sum of the resolved parts of the forces in the given direction
(c) the difference of the forces multiplied by the cosine of 9
(d) the sum of the forces multiplied by the sine of 9
Correct Answer – (A)
Question 10:
If two equal forces of magnitude P act at an angle 9°, their resultant will be
(a) P/2 cos 9/2
(b) IP sin 9/2
(c) 2P tan 9/2
(d) IP cos 9/2
Correct Answer – (D)
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