Mechanical Engineering McqsTheory of Machines 100+ MCQ & Answer Theory Of Machines | page-03 |Mechanical Engineering MCQ And Answer January 27, 2025 DSN MARATHI 21. Kinematic pairs are those which have two elements that A. have line contact B. have surface contact C. permit relative motion D. are held together Answer Option : C 22. The lower pair is a A. open pair B. closed pair C. sliding pair D. point contact pair Answer Option : B 23. Automobile steering gear is an example of A. higher pair B. lower pair. C. sliding pair D. turning pair Answer Option : B 24. In higher pair, the relative motion is A. purely turning B. purely rotary C. combination of sliding and turning. D. purely surface contact Answer Option : C 25. Which of the following has sliding motion A. connecting rod B. crank pin C. cross-head D. cross head guide. Answer Option : D 26. The example of higher pair is A. belt, rope and chain drives B. gears, cams C. ball and roller bearings D. all of the above Answer Option : D 27. Which of the following mechanism is obtained from lower pair A. gyroscope B. valve and valve gears C. generated straight line motions D. all of the above. Answer Option : D 28. Which of the following would constitute a link A. piston, piston rings and gudgeon pin B. piston, and piston rod C. piston rod and cross head D. piston, piston-rod and cross head. Answer Option : D 29. The Scott-Russell mechanism consists of A. sliding and turning pairs B. sliding and rotary pairs C. turning and rotary pairs D. sliding pairs only Answer Option : A 30. Davis steering gear consists of A. sliding pairs B. turning pairs C. rolling pairs D. higher pairs Answer Option : A
21. Kinematic pairs are those which have two elements that A. have line contact B. have surface contact C. permit relative motion D. are held together Answer Option : C
22. The lower pair is a A. open pair B. closed pair C. sliding pair D. point contact pair Answer Option : B
23. Automobile steering gear is an example of A. higher pair B. lower pair. C. sliding pair D. turning pair Answer Option : B
24. In higher pair, the relative motion is A. purely turning B. purely rotary C. combination of sliding and turning. D. purely surface contact Answer Option : C
25. Which of the following has sliding motion A. connecting rod B. crank pin C. cross-head D. cross head guide. Answer Option : D
26. The example of higher pair is A. belt, rope and chain drives B. gears, cams C. ball and roller bearings D. all of the above Answer Option : D
27. Which of the following mechanism is obtained from lower pair A. gyroscope B. valve and valve gears C. generated straight line motions D. all of the above. Answer Option : D
28. Which of the following would constitute a link A. piston, piston rings and gudgeon pin B. piston, and piston rod C. piston rod and cross head D. piston, piston-rod and cross head. Answer Option : D
29. The Scott-Russell mechanism consists of A. sliding and turning pairs B. sliding and rotary pairs C. turning and rotary pairs D. sliding pairs only Answer Option : A
30. Davis steering gear consists of A. sliding pairs B. turning pairs C. rolling pairs D. higher pairs Answer Option : A
