Top 350+ Solved Applied Mechanics MCQ Questions Answer
Q. Which of the following bearing will have least coefficient of friction
a. Single ball bearing
b. Cylinderical roller bearing
c. Self aligury bearing
d. Thrust ball bearing
e. Tapered bearing
Q. A body is executing simple harmonic motion of amplitude 1 cm. Its velocitywhile passing through the central point is 10 mm/sec. Its frequency will be
a. 2.99 rps
b. 2.22 rps
c. 1 rps
d. 1.59 rps
e. 1.77 rps
Q. Which of the following is dimensionless?
a. Specific speed
b. Specific volume
c. Specific gravity
d. Specific weight
e. None of the above
Q. If two bodies one light and one heavy have equal kinetic energies, which one has a greater momentum?
a. Momentum depends on velocities
b. Heavy body
c. Both have equal momentum
d. Nothing can be concluded on the basis of information provided
e. Light body
Q. A man weighing 60 kg jumps on a vehicle of weight 240 kg moving with a velocity of 36 km/hours. The velocity of the vehicle after the man has jumped would be
a. Less than 3.6 km/hour
b. 3.6 km/hour
c. More than 3.6 km/hour
d. 4.5 km/hour
e. None of the above
Q. How many coins 0.75 cm in diameter and 1/8 cm thick must be malted down to form a rectangular solid whose edges are 5 cm. 4 cm and 3 cm?
a. 584
b. 1087
c. 0.00001745 sec-1
d. 1234
e. 2174
Q. The gravitational field intensity is maximum at the
a. 107 dynes
b. at a height above the surface
c. pole
d. equator
e. centre of the earth
Q. A ball of mass 1 kg moving with a velocity of 2 m/sec collides directly with a stationary ball of mass 2 kg. If the first ball comes to rest after the impact the velocity of second ball after impact will be
a. 1.5 m/sec
b. 0.5 m/sec
c. Zero
d. 2 m/sec
e. 1.0 m/sec
Q. A particle moves along a rough plane inclined at 30? to the horizontal. The co-efficient of friction between the particle and the plane is 0.1. Its initial velocity is 15 m/sec. The ratio of the velocity of the particle when it move down the plane to that when it move up the plane would be in the regions
a. 8 ? 10
b. 5 ? 7
c. 2 ? 3
d. 4 ? 6
e. 10 ? 13
Q. In case of cantilever, irrespective of the type of loading the maximum bendry moment and maximum shear force occur at
a. 107 dynes
b. Free end
c. 2/3 of the length, from the free end
d. Centre of the beam
e. Fixed end
Q. A beam fixed at both ends with a central load W in the middle will have zero bending moment at
a. one place
b. two places
c. no where
d. three places
e. 107 dynes
Q. If the positive and negative shear force diagram areas are not equal, it can be concluded that
a. shear force diagram has been wrongly drawn
b. there is at least one couple acting on the beam
c. 107 dynes
d. there are at least two maxima for bending moment
e. bending moment does not change sign