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Theory of machine part -3

Theory of machine part -3
Question:-
Option (A)
0
Option (B)
1
Option (C)
2
Option (D)
3
Correct Option:
A
Question Solution:

F=3(l - 1) - 2j - h
l=Number of links
J=Number of binary joints
h=Number of higher pair
F=3(5 - 1) - 2 × 6 - 0
=0
Question:-
Option (A)
completely constrained kinematic pair
Option (B)
incompletely constrained kinematic pair
Option (C)
successfully constrained kinematic pair
Option (D)
single link
Correct Option:
C
Question Solution:


Question:-
Option (A)
3.0
Option (B)
2.75
Option (C)
2.5
Option (D)
2.0
Correct Option:
D
Question Solution:


cos(&β/2)=1/2
&β=120°
=
Question:-
Option (A)
L - 2
Option (B)
L - 1
Option (C)
L
Option (D)
L + 1
Correct Option:
C
Question Solution: