A. Kinematically sound
B. Not sound
C. Soundness would depend upon which link is kept fixed
D. Data is not sufficient to determine same
Answer: Option A
This Question Belongs to Mechanical Engineering >> Theory Of Machine
In considering friction of a V-thread, the virtual coefficient of friction (μ1) is given by
A. μ1 = μsinβ
B. μ1 = μcosβ
C. $${\mu _1} = \frac{\mu }{{\sin \beta }}$$
D. $${\mu _1} = \frac{\mu }{{\cos \beta }}$$
The lower pairs are _________ pairs.
A. Self-closed
B. Force-closed
C. Friction closed
D. None of these
In a coupling rod of a locomotive, each of the four pairs is a ________ pair.
A. Sliding
B. Turning
C. Rolling
D. Screw
A kinematic chain is known as a mechanism when
A. None of the links is fixed
B. One of the links is fixed
C. Two of the links are fixed
D. None of these
1: 2J=3L-4
L= no.of link
J= no.of binary joint
2: L= 2P-4
L= no.of link
P=no.of pair
LHS=RHS, Kinematics chain.( Constraint chain)
LHSRHS, LOCKED CHAIN, FRAME, STRUCTURE.
1: 2J=3L-4
L= no.of link
J= no.of binary joint
2: L= 2P-4
L= no.of link
P=no.of pair
LHS=RHS, Kinematics chain.( Constraint chain)
LHSRHS, LOCKED CHAIN, FRAME, STRUCTURE.