Yes
No
✅ The correct answer is option B.
Theory of machines MCQs
The example of completely constrained motion is a
motion of a piston in the cylinder of a steam engine
motion of a square bar in a square hole
motion of a shaft with collars at each end in a circular hole
all of the above
✅ The correct answer is option D.
The secondary unbalanced force is __________ the primary unbalanced force.
one-half
two-third
n times
1/n times
✅ The correct answer is option D.
The unbalanced primary forces in a reciprocating engine are
balanced completely
balanced partially
balanced by secondary forces
not balanced
✅ The correct answer is option B.
The ball and socket joint is an example of screw pair.
Agree
Disagree
✅ The correct answer is option B.
The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.
sum
difference
product
ratio
✅ The correct answer is option D.
When a mechanism is required to transmit power or to do some particular type of work, then it becomes a machine.
Agree
Disagree
✅ The correct answer is option A.
The power transmitted by a belt is maximum when the maximum tension in the belt is __________ of centrifugal tension.
one-third
two-third
double
three times
✅ The correct answer is option D.
In a gear having involute teeth, the normal to the involute is a tangent to the
pitch circle
base circle
addendum circle
dedendum circle
✅ The correct answer is option B.
The velocity of a body moving with simple harmonic motion is __________ at the mean position.
zero
minimum
maximum
✅ The correct answer is option C.