Correct
Incorrect
✅ The correct answer is option A.
Engineering Mechanics MCQs
A science teacher claimed that Newton’s third law of motion is involved while studying the motion of rockets. His statement is
justified
not justified
✅ The correct answer is option A.
Which of the following are vector quantities?
Linear displacement
Linear velocity
Linear acceleration
all of these
✅ The correct answer is option D.
The kinetic energy of a body __________ upon its mass and velocity.
does not depend
depends
✅ The correct answer is option B.
The velocity ratio of a single purchase crab winch can be increased by
increasing the length of the handle
increasing the radius of the load drum
increasing the number of teeth of the pinion
all of the above
✅ The correct answer is option A.
The total energy possessed by a system of moving bodies
is constant at every instant
varies from point to point
is maximum in the start and minimum at the end
is minimum in the star
✅ The correct answer is option A.
In a framed structure, as shown in the below figure, the force in the member AB is __________ the force in member AC.
half
equal to
double
✅ The correct answer is option A.
The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by
P + Q
P – Q
P / Q
Q / P
✅ The correct answer is option B.
A framed structure is imperfect, if the number of members are __________ (2j – 3).
equal to
less than
greater than
either (b) or (c)
✅ The correct answer is option D.
A machine which is capable of doing work in the reversed direction, after the effort is removed, is called a non-reversible machine.
Yes
No
✅ The correct answer is option B.