If some links are connected such that motion between them can take place in more than one direction, it is called_______________?
(A) incompletely constrained motion
(B) partially constrained motion
(C) completely constrained motion
(D) successfully constrained motion
(D) none of the above
Cross head and guides form a _________________?
(A) lower pair
(B) higher pair
(C) turning pair
(D) rolling pair
(D) sliding pair
The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be________________?
(A) 0, and more than co2r
(B) 0, and less than coV
(C) 0, 0
(D) cor, 0
(D) none of the above
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
(D) electromagnetic coupling
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) utilises a quadrilateral similar to the diagram of mechanism for reciprocating engine
(D) enables determination of Corioli’s component
(D) none of the above
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°
(D) 60°.
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
(D) there is overall economy of initial cost, maintenance and operation
The tendency of a body to resist change from rest or motion is known as_______________?
(A) mass
(B) friction
(C) inertia
(D) resisting force
(D) resisting torque
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
(D) none of the above
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
(D) 0, 4