1. The number of links (l) which is required to form a kinematic chain can be expressed in term of the number of pairs (p) as ________ ?

l = 2p-4

l = 2p-3

l = 2p-2

l = 2p-5

Answer: l = 2p-4

Explanation:


2. The graph of turning moment diagram is drawn between ________ ?

crank angle and crank radius

crank angle and crank effort

crank effort and crank angle

crank radius and crank angle

Answer: crank effort and crank angle

Explanation:


3. The mass of flywheel of a steam engine is 3250 kg with the radius of gyration of 1 m. The starting torque of the engine is 4500 N-m. What is the angular acceleration (rad/s2) of the flywheel ?

3.4

2

2.48

1.38

Answer: 1.38

Explanation:


4. A pulley is driven by a flat belt and the maximum tension produced in the belt is of 1400 N. The belt has the density of 1000 kg/m³, 100 mm wide and 5 mm thick. What is the speed (m/sec) of the belt for the maximum powe ?

32

31

30.55

3.05

Answer: 30.55

Explanation:


5. The rotary internal combustion engine is the inversion of ________ ?

four bar link chain

double slider crank chain

single slider crank mechanism

Rocker crank mechanism

Answer: single slider crank mechanism

Explanation:


6. The pressure distribution in the uniform wear theory is ________ ?

directly proportional to radius

directly proportional to the square of radius

inversely proportional to radius

inversely proportional to the square of radius

Answer: inversely proportional to radius

Explanation:


7. When the friction lining is new, the wear varies ________ ?

directly to radius

inversely to radius

directly to the square of radius

inversely to the square of radius

Answer: directly to radius

Explanation:


8. What is the radial distance of a tooth from the pitch circle to the top of the tooth known as ?

Dedendum

Addendum

Pitch circle diameter

Module

Answer: Addendum

Explanation:


9. Which of the following statement is TRUE about the contact ratio ?

Varies directly to the length of the arc of contact

Inversely proportional to the module

Inversely proportional to the circular pitch

All options are correct

Answer: All options are correct

Explanation:


10. Which of the following is the type of pendulum governor ?

Hartnell governor

Proell governor

Porter governor

Watt governor

Answer: Watt governor

Explanation: