Engineering Mechanics MCQs - Set 17 :: 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. A pendulum which executes one beat per second is known as

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

Answer: (D) Second’s pendulum

Q2. Two blocks ‘A’ and ‘B’ of masses 150 kg and 50 kg respectively are connected by means of a string as shown in the below figure. The tension in all the three strings __ be same.

(A) Will
(B) Will not
(C) Either A or B
(D) None of these

Answer: (A) Will

Q3. The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of α rad/s2, is

(A) a = α/ r
(B) a = α.r
(C) a = r / α
(D) None of these

Answer: (B) a = α.r

Q4. When the spring of a watch is wound, it will possess

(A) Strain energy
(B) Kinetic energy
(C) Heat energy
(D) Electrical energy

Answer: (A) Strain energy

Q5. Moment of inertia is the

(A) Second moment of force
(B) Second moment of area
(C) Second moment of mass
(D) All of these

Answer: (D) All of these

Q6. In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is

(A) 50
(B) 100
(C) 200
(D) 400

Answer: (B) 100

Q7. The process of finding out the resultant force is called __ of forces.

(A) Composition
(B) Resolution
(C) Decomposition
(D) None of these

Answer: (A) Composition

Q8. A screw jack used for lifting the loads is

(A) A reversible machine
(B) A non-reversible machine
(C) An ideal machine
(D) None of these

Answer: (B) A non-reversible machine

Q9. The periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.)

(A) (1/2π). √(l/g)
(B) (1/2π). √(g/l)
(C) 2π. √(l/g)
(D) None of these

Answer: (C) 2π. √(l/g)

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Engineering Mechanics MCQs – Set 17 :: Mechanical Engineering