1. 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
A.Turning pair
B.Rolling pair
C.Sliding pair
D.Spherical pair

---

2. Which of the following is a lower pair
A.Ball and socket
B.Piston and cylinder
C.Cam and follower (a) and (b) above
D.Belt drive.

---

3. If two moving elements have surface contact in motion, such pair is known asi
A.Sliding pair
B.Higher pair.
C.Surface pair
D.Lower pair

---

4. The example of lower pair is
A.Shaft revolving in a bearing
B.Straight line motion mechanisms
C.Automobile steering gear
D.All of the above

---

5. Pulley in a belt drive acts as
A.Cylindrical pair
B.Turning pair
C.Rolling pair
D.Sliding pair

---

6. The example of rolling pair is
A.Bolt and nut
B.Lead screw of a lathe
C.Ball and socket joint
D.Ball bearing and roller bearing

---

7. Any point on a link connecting double slider crank chain will trace a
A.Straight line
B.Circle
C.Ellipse
D.Parabola

---