# Engineering Mechanics Objective Quiz – Set 14 :: Mechanical Engineering

Are you guys looking for Mechanical Engineering MCQ Questions with Answers PDF Free Download as per Mechanical Engineering new exam pattern? You came to the right page. This may assist you to understand and check your knowledge about the Subjects. Students also can take a free test of the Multiple Choice Questions of Mechanical Engineering. Each question has four options followed by the right answer. These Mechanical Engineering MCQ Questions are selected supported by the newest exam pattern.

## Q1. The friction experienced by a body, when at rest, is known as

(A) Static friction
(B) Dynamic friction
(C) Limiting friction
(D) Coefficient of friction

(A) 2P sinθ/2
(B) 2P cosθ/2
(C) 2P tanθ/2
(D) 2P cotθ/2

## Q3. Static friction is always __ dynamic friction.

(A) Equal to
(B) Less than
(C) Greater than
(D) None of these

(A) u² sin²α/2g
(B) u² cos²α/2g
(C) u² sin²α/g
(D) u² cos²α/g

## Q5. A framed structure is perfect, if the number of members are __ (2j – 3), where j is the number of joints.

(A) Equal to
(B) Less than
(C) Greater than
(D) None of these

(A) Newton
(B) Pascal
(C) Watt
(D) Joule

## Q7. Tangent of angle of friction is equal to

(A) Kinetic friction
(B) Limiting friction
(C) Angle of repose
(D) Coefficient of friction

(A) 30°
(B) 45°
(C) 60°
(D) 90°

(A) 0°
(B) 30°
(C) 45°
(D) 60°

## Q10. The principle of transmissibility of forces states that, when a force acts upon a body, its effect is

(A) Same at every point on its line of action
(B) Different at different points on its line of action
(C) Minimum, if it acts at the center of gravity of the body
(D) Maximum, if it acts at the center of gravity of the body

Answer: (C) Minimum, if it acts at the center of gravity of the body

(A) g/2
(B) g
(C) √2.g
(D) 2g

(A) Dyne
(B) Kilogram
(C) Newton
(D) Watt

## Q13. The coefficient of restitution for inelastic bodies is

(A) Zero
(B) One
(C) Between zero and one
(D) More than one

## Q14. In the shown figure, the tension (T) in the string will be

(A) m₁. m₂. g/(m₁ + m₂)
(B) 2m₁. m₂. g/(m₁ + m₂)
(C) (m₁ + m₂)/ m₁. m₂. g
(D) (m₁ + m₂)/2m₁. m₂. g

Answer:(B) 2m₁. m₂. g/(m₁ + m₂)

(A) 0.1 joule/s
(B) 1 joule/s
(C) 10 joules/s
(D) 100 joules/s

## Q16. The ratio of limiting friction and normal reaction is known as

(A) Coefficient of friction
(B) Angle of friction
(C) Angle of repose
(D) Sliding friction

(A) n
(B) n²
(C) 2n
(D) 2n – 1

## Q18. For a self locking machine, the efficiency must be

(A) Equal to 50%
(B) Less than 50%
(C) Greater than 50%
(D) 100%

## Q19. When a rigid body is suspended vertically, and it oscillates with a small amplitude under the action of the force of gravity, the body is known as

(A) Simple pendulum
(B) Compound pendulum
(C) Torsional pendulum
(D) Second’s pendulum