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This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics knowledge and support exam preparation. Choose a topic below to get started.
1. |
The relation between the number of pairs ( p ) forming a kinematic chain and the number of links (l) is |
A. | l = 2p – 2 |
B. | l = 2p – 3 |
C. | l = 2p – 4 |
D. | l = 2p – 5 |
Answer» D. l = 2p – 5 | |
2. |
Which of the following is a turning pair ? |
A. | Piston and cylinder of a reciprocating steam engine |
B. | Shaft with collars at both ends fitted in a circular hole |
C. | Lead screw of a lathe with nut |
D. | Ball and socket joint |
Answer» C. Lead screw of a lathe with nut | |
3. |
When the elements of the pair are kept in contact by the action of external forces, the pair is said to be a |
A. | lower pair |
B. | higher pair |
C. | self closed pair |
D. | force closed pair |
Answer» E. | |
4. |
A ball and a socket joint forms a |
A. | turning pair |
B. | rolling pair |
C. | sliding pair |
D. | spherical pair |
Answer» E. | |
5. |
The cam and follower without a spring forms a |
A. | lower pair |
B. | higher pair |
C. | self closed pair |
D. | force closed pair |
Answer» D. force closed pair | |
6. |
The motion transmitted between the teeth of gears in mesh is |
A. | sliding |
B. | rolling |
C. | may be rolling or sliding depending upon the shape of teeth |
D. | partly sliding and partly rolling |
Answer» E. | |
7. |
The motion of a piston in the cylinder of a steam engine is an example of |
A. | completely constrained motion |
B. | incompletely constrained motion |
C. | successfully constrained motion |
D. | none of the mentioned |
Answer» B. incompletely constrained motion | |
8. |
In a reciprocating steam engine, which of the following forms a kinematic link ? |
A. | cylinder and piston |
B. | piston rod and connecting rod |
C. | crank shaft and flywheel |
D. | flywheel and engine frame |
Answer» D. flywheel and engine frame | |