1. In order to have a good grip on the pulley, the V-belt should touch the bottom of the groove in the pulley.
TRUE
FALSE
✅ The correct answer is option B.
Theory of machines MCQs
2. In a reciprocating steam engine, which of the following forms a kinematic link?
Cylinder and piston
Piston rod and connecting rod
Crankshaft and flywheel
Flywheel and engine fr
✅ The correct answer is option C.
3. The equation of motion for a vibrating system with viscous damping is If the roots of this equation are real, then the system will be
overdamped
under damped
critically damped
without vibrations
✅ The correct answer is option A.
4. In a four bar chain or quadric cycle chain
each of the four pairs is a turning pair
one is a turning pair and three are sliding pairs
two are turning pairs and two are sliding pairs
three are turning pair
✅ The correct answer is option A.
6. The rolling of a complete ship side-ways is known as pitching of a ship.
TRUE
FALSE
✅ The correct answer is option B.
7. The Klein’s method of construction for reciprocating engine mechanism
is a simplified version of instantaneous centre method
utilises a quadrilateral similar to the diagram of mechanism for reciprocating engine
enables determination of coriolis component
is based on the accele
✅ The correct answer is option B.
8. In involute gears, the pressure angle is
dependent on the size of teeth
dependent on the size of gears
always constant
always variable
✅ The correct answer is option C.
9. A system of masses rotating in different parallel planes is in dynamic balance if the
resultance force is equal to zero
resultant couple is equal to zero
resultant force and resultant couple are both equal to zero
resultant force is num
✅ The correct answer is option C.