Theory of Machines Online Quiz Practice Questions test1

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1. Which of the following disciplines provides study of inertia forces arising from the combined effect of the mass and the motion of the parts _____.
theory of machines	applied mechanics
mechanisms	kinetics

2. Which of the following disciplines provides study of relative motion between the parts of a machine
theory of machines	applied mechanics
mechanisms	kinematics

3. Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts
theory of machines	applied mechanics
mechanisms	kinetics

4. The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as
turning pair	rolling pair
sliding pair	spherical pair

5. Which of the following is a lower pair _____.
ball and socket	piston and cylinder
cam and follower	(a) and (b) above

6. If two moving elements have surface contact in motion, such pair is known as _____.
sliding pair	rolling pair
surface pair	higher pair

7. The example of lower pair is _____.
shaft revolving in a bearing	straight line motion mechanisms
automobile steering gear	all of the above

8. Pulley in a belt drive acts as _____.
cylindrical pair	turning pair
rolling pair	sliding pair

9. The example of rolling pair is ______.
bolt and nut	lead screw of a lathe
ball and socket joint	ball bearing and roller bearing

10. Any point on a link connecting double slider crank chain will trace a _____.
straight line	circle
ellipse	parabola

11. Theipurpose of a link is to _____.
transmit motion	guide other links
act as a support	all of the above

12. A universal joint is an example of _____.
higher pair	lower pair
rolling pair	sliding pair

13. Rectilinear motion of piston is converted into rotary by _____.
cross head	slider crank
connecting rod	gudgeon pin

14. Pitch point on a cam is _____.
any point on pitch curve	the point on cam pitch curve having the maximum pressure angle
any point on pitch circle	the point on cam pitch curve having the minimum pressure angle

15. The values of velocity and acceleration of piston at near dead centre for a slider-crank mechanism will be
0, and more than co2r	cor, 0
0, and less than coV	0, 0

16. The example of spherical pair is _____.
bolt and nut	lead screw of a lathe
ball and socket joint	ball bearing and roller bearing

17. Cross head and guides form a _____.
lower pair	higher pair
turning pair	sliding pair

18. A circular bar moving in a round hole is an example of _____.
incompletely constrained motion	partially constrained motion
completely constrained motion	successfully constrained motion

19. If some links are connected such that motion between them can take place in more than one direction, it is called _____.
incompletely constrained motion	partially constrained motion
completely constrained motion	successfully constrained motion

20. If there are L number of links in a mechanism then number of possible inversions is equal to _____.
L + 1	L - 1
L	L + 2