Theory Of Machine MCQ Questions & Answers | Mechanical Engineering

A. Eight links

B. Six links

C. Four links

D. Twelve links

A. $$\frac{\omega }{{2\pi }}$$

B. $$\frac{{2\pi }}{\omega }$$

C. $$\omega \times 2\pi $$

D. $$\frac{\pi }{\omega }$$

A. The difference between the maximum and minimum energies is called maximum fluctuation of energy

B. The coefficient of fluctuation of speed is the ratio of maximum fluctuation of speed to the mean speed

C. The variations of energy above and below the mean resisting torque line is known as fluctuation of energy

D. None of the above

A. A round bar in a round hole form a turning pair

B. A square bar in a square hole form a sliding pair

C. A vertical shaft in a foot step bearing forms a successful constraint

D. All of the above

A. Between $${l_1}$$ and $${l_2}$$ but nearer $${l_1}$$

B. Between $${l_1}$$ and $${l_2}$$ but nearer to $${l_2}$$

C. Exactly in the middle of the shaft

D. Nearer to $${l_1}$$ but outside

A. Directly proportional to speed

B. Directly proportional to (speed)²

C. Inversely proportional to speed

D. Inversely proportional to (speed)²

A. Broken belt

B. Broken belt and its adjacent belts

C. All the belts

D. There is no need of changing any one as remaining belts can take care of transmission of load

A. Increasing the spring stiffness

B. Decreasing the spring stiffness

C. Increasing the ball mass

D. Decreasing the ball mass

A. Radius of rotation of balls increases as the equilibrium speed decreases

B. Radius of rotation of balls decreases as the equilibrium speed decreases

C. Radius of rotation of balls increases as the equilibrium speed increases

D. Radius of rotation of balls decreases as the equilibrium speed increases

A. A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing

B. A thick film of lubricant between the journal and the bearing

C. No lubricant between the journal and the bearing

D. A forced lubricant between the journal and the bearing