Instantaneous center of rotation of a link in a four bar mechanism lies on _______________?
(A) right side pivot of this link
(B) lift side pivot of this link
(C) a point obtained by intersection on extending adjoining links
(D) can’t occur
(D) none of the above
According to Kennedy’s theorem, if three bodies have plane motions, their instantaneous centers lie on___________________?
(A) a triangle
(B) a point
(C) two lines
(D) a straight line
(D) a curve
Two systems shall be dynamically equivalent when____________________?
(A) the mass of two are same
(B) e.g. of two coincides
(C) M.I. of two about an axis through e.g. is equal
(D) all of the above
(D) none of the above
The absolute acceleration of any point P in a link about center of rotation 0 is___________________?
(A) along PO
(B) perpendicular to PO
(C) at 45° to PO
(D) along OP
(D) none of the above
Corioli’s component of acceleration exists whenever a point moves along a path that has________________?
(A) linear displacement
(B) rotational motion
(C) tangential acceleration
(D) centripetal acceleration
(D) none of the above
In a shaper mechanism, the Corioli’s component of acceleration will_______________?
(A) not exist
(B) exist
(C) depend on position of crank
(D) unpredictable
(D) none of the above
Tangential acceleration direction is_________________?
(A) along the angular velocity
(B) opposite to angular velocity
(C) may be any one of these
(D) perpendicular to angular velocity
(D) none of the above
Klein’s construction gives a graphica construction for________________?
(A) slider-crank mechanism
(B) velocity polygon
(C) acceleration polygon
(D) four bar chain mechanism
(D) angular acceleration
The sense of Corioli’s component is such that it_________________?
(A) leads the sliding velocity vector by 90°
(B) lags the sliding velocity vector by 90°
(C) is along the sliding velocity vector
(D) leads the sliding velocity vector by 180°
(D) none of the above
In its simplest form, a cam mechanism consists of following number of links___________________?
(A) 1
(B) 2
(C) 3
(D) 4
(D) none