Mechanical Engineering McqsTheory of Machines 100+ MCQ & Answer Theory Of Machines | page-04 |Mechanical Engineering MCQ And Answer January 27, 2025 DSN MARATHI 31. Oldham’s coupling is the A. second inversion of double slider crank chain B. third inversion of double slider crank chain C. second inversion of single slider crank chain D. third inversion of slider crank chain Answer Option : B 32. Sense of tangential acceleration of a link A. is same as that of velocity B. is opposite to that of velocity C. could be either same or opposite to velocity D. is perpendicular to that of velocity Answer Option : C 33. A mechanism is an assemblage of A. two links B. three links C. four links or more than four links D. all of the above Answer Option : C 34. The number of links in pantograph mechanism is equal to A. 2 B. 3 C. 4 D. 5 Answer Option : C 35. Elements of pairs held together mechanically is known as A. closed pair B. open pair C. mechanical pair D. rolling pair Answer Option : A 36. Shaft revolving in a bearing is the following type of pair A. lower pair B. spherical pair, C. cylindrical pair D. bearing pair. Answer Option : A 37. Rectangular bar in a rectangular hole is the following type of pair A. completely constrained motion B. partially constrained motion C. incompletely constrained motion D. freely constrained motion Answer Option : A 38. A foot step bearing and rotor of a vertical turbine form examples of A. incompletely constrained motion B. partially constrained motion C. completely constrained motion D. successfully constrained motion Answer Option : B 39. A slider crank chain consists of following numbers of turning and sliding pairs A. I, 3 B. 2, 2 C. 3, 1 D. 4, 0 Answer Option : C 40. Relationship between the number of links (L) and number of pairs (P) is A. P = 2L-4 B. P = 2L + 4 C. P = 2L+2 D. P = 2L-2 Answer Option : C
31. Oldham’s coupling is the A. second inversion of double slider crank chain B. third inversion of double slider crank chain C. second inversion of single slider crank chain D. third inversion of slider crank chain Answer Option : B
32. Sense of tangential acceleration of a link A. is same as that of velocity B. is opposite to that of velocity C. could be either same or opposite to velocity D. is perpendicular to that of velocity Answer Option : C
33. A mechanism is an assemblage of A. two links B. three links C. four links or more than four links D. all of the above Answer Option : C
35. Elements of pairs held together mechanically is known as A. closed pair B. open pair C. mechanical pair D. rolling pair Answer Option : A
36. Shaft revolving in a bearing is the following type of pair A. lower pair B. spherical pair, C. cylindrical pair D. bearing pair. Answer Option : A
37. Rectangular bar in a rectangular hole is the following type of pair A. completely constrained motion B. partially constrained motion C. incompletely constrained motion D. freely constrained motion Answer Option : A
38. A foot step bearing and rotor of a vertical turbine form examples of A. incompletely constrained motion B. partially constrained motion C. completely constrained motion D. successfully constrained motion Answer Option : B
39. A slider crank chain consists of following numbers of turning and sliding pairs A. I, 3 B. 2, 2 C. 3, 1 D. 4, 0 Answer Option : C
40. Relationship between the number of links (L) and number of pairs (P) is A. P = 2L-4 B. P = 2L + 4 C. P = 2L+2 D. P = 2L-2 Answer Option : C
