111. In the shown figure, the tension (T) in the string will be
✅ The correct answer is option B.
Engineering Mechanics MCQs
112. 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
50
100
150
200
✅ The correct answer is option B.
114. The acceleration of a particle moving with simple harmonic motion is __________ at themean position.
zero
minimum
maximum
✅ The correct answer is option A.
115. The velocity ratio for the second system of pulleys is n.
TRUE
FALSE
✅ The correct answer is option A.
116. The moment of inertia of a rectangular section 3cm wide and 4cm deep about X-X axis is
9cm4
12cm4
16cm4
20cm4
✅ The correct answer is option C.
117. The unit of power in S.I. units is
horsepower
joule
watt
kg-m
✅ The correct answer is option C.
118. When a body falls freely under gravitational force, it possesses __________ weight.
no
minimum
maximum
✅ The correct answer is option A.
119. The moment of inertia of a solid sphere of mass m and radius r is
2mr2/3
2mr2/5
mr2
mr2/2
✅ The correct answer is option B.
120. The forces, whose lines of action are parallel to each other and act in the same directions, are known as
coplaner concurrent forces
coplaner non-concurrent forces
like parallel forces
unlike parallel forces
✅ The correct answer is option C.