THEORY OF MACHINES OBJECTIVE QUESTIONS

THEORY OF MACHINES OBJECTIVE QUESTIONS

1. THE CAM AND FOLLOWER USED IN AUTOMOBILE ENGINES IS

A. KNIFE EDGE FOLLOWER
B. FLAT FACED FOLLOWER
C. SPHERICAL FACED FOLLOWER
D. ROLLER FOLLOWER

2. THE CAM FOLLOWER GENERALLY USED IN AIR CRAFT ENGINES IS

A. KNIFE EDGE FOLLOWER
B. FLAT FACED FOLLOWER
C. SPHERICAL FOLLOWER
D. ROLLER FOLLOWER

3. IN A RADIAL CAM THE FOLLOWER MOVES

A. IN A DIREECTION PERPENDICULAR TO CAM AXIS
B. IN A DIRECTION PARALLEL TO CAM AXIS
C. IN ANY DIRECTION IRRESPECTIVE OF THE CAM AXIS
D. ALONG THE CAM AXIS

4. FOR LOW AND MODERATE SPEED ENGINES CAM AND FOLLOWER SHOULD MOVE WITH

A. UNIFORM VELOCITY
B. SIMPLE HARMONIC MOTION
C. UNIFORM ACCELERATION AND RETARDATION
D. CYCLOIDAL MOTION

5. A SPRING CONTROLLED GOVERNOR WILL BE SAID TO BE ISOCHRONOUS WHEN THE CONTROLLING FORCE

A. INCREASES AS RADIUS OF ROTATION DECREASES
B. DECREASES AS RADIUS OF ROTATION INCREASES
C. INCREASES AS RADIUS OF ROTATION INCREASES
D. REMAINS CONSTANT FOR ALL RADII OF ROTATION

6. POWER OF A GOVERNOR IS THE

A. MEAN FORCE EXERTED AT THE SLEEVE FOR A GIVEN PERCENTAGE CHANGE IN SPEED
B. WORKDONE AT THE SLEEVE FOR MAXIMUM EQUILIBRIUM SPEED
C. MEAN FORCE EXERTED AT THE SLEEVE FOR MAXIMUM EQUILIBRIUM SPEED
D. NONE OF THE ABOVE

7. THE EFFORT OF A PORTER GOVERNOR IS EQUAL TO

A. C(m-M)g
B. C(M+m)g
C. C/(M+m)g
D. C/(m-M)g

8. WHICH OF THE GOVERNOR IS USED TO DRIVE A GRAMOPHONE

A. WATT GOVERNOR
B. PORTER GOVERNOR
C. PICKERING GOVERNOR
D. INERTIA GOVERNOR

9. IN A GEAR HAVING INVOLUTE TEETH THE NORMAL TO THE INVOLUTE IS  A TANGENT TO

A. ADDENDUM CIRCLE
B. DEDENDUM CIRCLE
C. PITCH CIRCLE
D. BASE CIRCLE

10. THE SIZE OF A GEAR IS USUALLY SPECIFIED BY

A. PRESSURE ANGLE
B. CIRCULAR PITCH
C. DIAMETRAL PITCH
D. PITCH CIRCLE DIAMETER