Q.1:
Higher pairs are those which have_________________?3
A.point or line contact between the two elements when in motion=
B.
surface contact between the two ele-ments when in motion8
C.
elements of pairs not held together mechanically0
D.
two elements that permit relative motion(
Q.2:
A cam with a roller follower would con stitute following type of pair______________?T
A.
lower pair
B.higher pair
C.
open pair
D.
close pair
Q.3:
Open pairs are those which have__________________?5
A.
point or line contact between the two elements when in motion=
B.
surface contact between the two ele-ments when in motion8
C.elements of pairs not held together mechanically0
D.
two elements that permit relative motion(
Q.4:
Hart mechanism has________________?#
A.
eight links
B.six links
C.
four links
D.
twelve links
Q.5:
The main disadvantage of the sliding pair is that it is_________________?I
A.
bulky
B.
wears rapidly
C.
difficult to manufacture
D.and above
Q.6:
An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has___________________?
A.
2 links
B.
3 links
C.4 links
D.
5 links
Q.7:
In its simplest form, a cam mechanism consists of following number of links___________________?_
A.
1
B.
2
C.3
D.
4
Q.8:
In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links_________________?
A.will remain same
B.
will change
C.
could change or remain unaltered depending oh which link is fixedA
D.
will not occur
Q.9:
In a darg link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is _______________?
A.
equal to sum of other two
B.
greater than sum of other two
C.less than sum of other two
D.
there is no such relationship
Q.10:
Kinematic pairs are those which have___________________?8