47. In problem 47, the chain is unconstrained when
(a) L.H.S. = R.H.S.
(b) L.H.S. > R.H.S.
(c) L.H.S. < R.H.S.
(d) there is no such criterion for checking above requirement
(e) none of the above.
Ans: c
48. In problem 47, the chain is constrained when
(a) L.H.S. = R.H.S.
(b) L.H.S. < R.H.S.
(c) L.H.S. > R.H.S.
(d) there is no such criterion for checking above requirement
(e) none of the above.
Ans: a
49. The tendency of a body to resist change from rest or motion is known as
(a) mass
(b) friction
(c) inertia
(d) resisting force
(e) resisting torque.
Ans: c
50. The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is
(a) flexible coupling
(b) universal coupling
(c) chain coupling
(d) Oldham's coupling
(e) American coupling.
Ans: b
51. Angle of descent of cam is defined as the angle
(a) during which the follower returns to its initial position
(b) of rotation of the cam for a definite displacement of the follower
(c) through which the cam rotates during the period in which the follower remains in the highest position
(d) moved by the cam from the instant the follower begins to rise, till it reaches its highest position
(e) moved by the cam from beginning of ascent to the termination of descent.
Ans: a
52. Angle of action of cam is defined as the angle
(a) during which the follower returns to its initial position
(b) of rotation of the cam for a definite displacement of the follower
(c) through which the cam rotates during the period in which the follower remains in the highest position
(d) moved by the cam from the instant the follower begins to rise, till it reaches its highest position
(e) moved by the cam from beginning of ascent to the termination of descent.
Ans: e
53. Angle of dwell of cam is defined as the angle
(a) during which the follower returns to its initial position
(b) of rotation of the cam for definite displacement of the follower
(c) through which the cam rotates during the period in which the follower remains in the highest position
(d) moved by the cam from the instant the follower begins to rise, till it reaches its highest position
(e) moved by the cam from a beginning of ascent to the termination of descent.
Ans: c
54. The advantage of the piston valve over D-slide valve is that in the former case
(a) wear is less
(b) power absorbed is less
(c) both wear and power absorbed are low
(d) the pressure developed being high provides tight sealing
(e) there is overall economy of initial cost, maintenance and operation.
Ans: c
55. Flexible coupling is used because
(a) it is easy to disassemble
(b) it is easy to engage and disengage
(c) it transmits shocks gradually
(d) it prevents shock transmission and eliminates stress reversals
(e) it increases shaft life.
Ans: d
56. With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to
(a) 10°
(b) 20°
(c) 30°
(d) 40°
(e) 60°.
Ans: d
57. The Hooke's joint consists of :
(a) two forks
(b) one fork
(c) three forks
(d) four forks
(e) five forks.
Ans: a
58. The Klein's method of construction for reciprocating engine mechanism
(a) is based on acceleration diagram
(b) is a simplified form of instantaneous center method
(c) utilities a quadrilateral similar to the diagram of mechanism for reciprocating engine
(d) enables determination of Corioli's component
(e) none of the above.
Ans: c
59. It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by
(a) universal joint
(b) knuckle joint
(c) Oldham's coupling
(d) flexible coupling
(e) electromagnetic coupling.
Ans: c
60. The e.g. of a link in any mechanism would experience
(a) no acceleration
(b) linear acceleration
(c) angular acceleration
(d) both angular and linear accelerations
(e) none of the above.
Ans: d
Read More Questions:
Theory of Machines - Mechanical Engineering Part1
Theory of Machines - Mechanical Engineering Part2
(a) L.H.S. = R.H.S.
(b) L.H.S. > R.H.S.
(c) L.H.S. < R.H.S.
(d) there is no such criterion for checking above requirement
(e) none of the above.
Ans: c
48. In problem 47, the chain is constrained when
(a) L.H.S. = R.H.S.
(b) L.H.S. < R.H.S.
(c) L.H.S. > R.H.S.
(d) there is no such criterion for checking above requirement
(e) none of the above.
Ans: a
49. The tendency of a body to resist change from rest or motion is known as
(a) mass
(b) friction
(c) inertia
(d) resisting force
(e) resisting torque.
Ans: c
50. The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is
(a) flexible coupling
(b) universal coupling
(c) chain coupling
(d) Oldham's coupling
(e) American coupling.
Ans: b
51. Angle of descent of cam is defined as the angle
(a) during which the follower returns to its initial position
(b) of rotation of the cam for a definite displacement of the follower
(c) through which the cam rotates during the period in which the follower remains in the highest position
(d) moved by the cam from the instant the follower begins to rise, till it reaches its highest position
(e) moved by the cam from beginning of ascent to the termination of descent.
Ans: a
52. Angle of action of cam is defined as the angle
(a) during which the follower returns to its initial position
(b) of rotation of the cam for a definite displacement of the follower
(c) through which the cam rotates during the period in which the follower remains in the highest position
(d) moved by the cam from the instant the follower begins to rise, till it reaches its highest position
(e) moved by the cam from beginning of ascent to the termination of descent.
Ans: e
53. Angle of dwell of cam is defined as the angle
(a) during which the follower returns to its initial position
(b) of rotation of the cam for definite displacement of the follower
(c) through which the cam rotates during the period in which the follower remains in the highest position
(d) moved by the cam from the instant the follower begins to rise, till it reaches its highest position
(e) moved by the cam from a beginning of ascent to the termination of descent.
Ans: c
54. The advantage of the piston valve over D-slide valve is that in the former case
(a) wear is less
(b) power absorbed is less
(c) both wear and power absorbed are low
(d) the pressure developed being high provides tight sealing
(e) there is overall economy of initial cost, maintenance and operation.
Ans: c
55. Flexible coupling is used because
(a) it is easy to disassemble
(b) it is easy to engage and disengage
(c) it transmits shocks gradually
(d) it prevents shock transmission and eliminates stress reversals
(e) it increases shaft life.
Ans: d
56. With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to
(a) 10°
(b) 20°
(c) 30°
(d) 40°
(e) 60°.
Ans: d
57. The Hooke's joint consists of :
(a) two forks
(b) one fork
(c) three forks
(d) four forks
(e) five forks.
Ans: a
58. The Klein's method of construction for reciprocating engine mechanism
(a) is based on acceleration diagram
(b) is a simplified form of instantaneous center method
(c) utilities a quadrilateral similar to the diagram of mechanism for reciprocating engine
(d) enables determination of Corioli's component
(e) none of the above.
Ans: c
59. It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by
(a) universal joint
(b) knuckle joint
(c) Oldham's coupling
(d) flexible coupling
(e) electromagnetic coupling.
Ans: c
60. The e.g. of a link in any mechanism would experience
(a) no acceleration
(b) linear acceleration
(c) angular acceleration
(d) both angular and linear accelerations
(e) none of the above.
Ans: d
Read More Questions:
Theory of Machines - Mechanical Engineering Part1
Theory of Machines - Mechanical Engineering Part2
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