A Scott-Russel mechanism consists of
A.Turning pair only
B.Rotary pair only
C.Sliding and turning pairs
D.Turning and rotary pairs
E.Sliding and rotary pairs
Category: Theory of Machines Mcqs
Which of the following road offers maximum resistance to automobiles?
A.Wood paving
B.Macadam
C.Well rolled gravel
D.Loose sand
In taper roller bearing the contact angle is
A.Zero
B.Between 1? and 3?
C.Between 5? and 10?
D.Between 12? and 15?
E.Between 15? and 20?
The Biflar susperision method is used to determine
A.Position of balancing weights
B.Centripetal acceleration
C.Natural frequency of vibration
D.Moment of inertia
E.None of the above
In the Crossby engine indicator which one of the following mechanism is used?
A.Slider-crank mechanism
B.Scotch yoke mechanism
C.Scotch yoke mechanism
D.Modified pantograph mechanism
E.None of the above
In case of reciprocating engines the primary forces
A.Are fully balanced
B.Remain unbalanced
C.Are partially balanced
D.Cannot be balanced
E.None of the above
In an at tomobile the power is transmitted from gear box to differential through
A.Kunckle join
B.Universal joint
C.Oldham’s coupling
D.Hooke’s joint
E.Bevel grars
In case of instantaneous centre of rotation
A.Only three rigid links have no linear velocities relative to each other
B.Two rigid links rotate instantaneously relative to each other
C.One rigid link has no linear velocity
D.The two rigid links have no linear velocities relative to each other at the instantaneous centre
E.None of the above
A cycle chain is a kinematic chain
A.Yes
B.No
C.Yes, provided the links are limited in number
D.Yes provided the distance is limited
E.None of the above
The spring constant k of a coil-spring is
A.directly proportional to the number of coils in the spring
B.inversely proportional to the number of coils in the spring
C.inversely proportional to the square of the number of coils in the spring
D.directly proportional to the square of the number of coils in the spring
