Engineering Mechanics Test Questions Start Creating PDF

MCQ: Which axial force is determined while analyzing a truss?

1. compressive force
2. tensile force
3. both a. and b.
4. none of the above

MCQ: If a body is subjected to plastic impact, _______

1. only kinetic energy is conserved
2. only momentum is conserved
3. both a. and b.
4. none of the above

MCQ: An object of 30 kg is moved with a velocity of 2 m/s on a horizontal smooth surface. What is the velocity of the block for 4 seconds if force of 40 N is applied on it in the direction of force?

1. 2 m/s
2. 4.6 m/s
3. 7.33 m/s
4. 9.33 m/s

MCQ: If two objects of 30 kg and 10 kg move with equal kinetic energy, then what is the ratio of magnitudes for linear momentum?

1. √3 : 1
2. 1 : √3
3. 1 : 3√3
4. 1 : 3

MCQ: The total momentum of a system __________, if no external impressed force acts on it.

1. increases
2. decreases
3. remains constant
4. none of the above

MCQ: According to the principle of conservation of energy, under the action of _________ force, the sum of P.E and K.E of a particle remains constant.

1. conservative force
2. dissipative force
3. frictional force
4. air resistance force

MCQ: Work done by an engine in 6 sec is 1000 joules. What is the power generated by the engine in watt?

1. 1600 watt
2. 600 watt
3. 166 watt
4. 600 watt

MCQ: If a particle of mass 5 kg moves uniformly along a circle of radius 10 m at 10 m/s, then what is the work done by centripetal force during its one revolution?

1. 0.5 kNm
2. zero
3. infinity
4. none of the above

MCQ: A block is displaced by 3 m when a force of 200 N is applied on it on an inclined surface which is at an angle of 50° with the horizontal. What is the work done?

1. 385.67 Nm
2. 459.62 Nm
3. 933.00 Nm
4. Insufficient data

MCQ: What is the minimum velocity attained by a ball thrown with velocity of 20 m/s at an angle of 40° with the horizontal?

1. 15.32 m/s
2. 12.85 m/s
3. 16.78 m/s
4. None of the above