1
GATE ME 2014
+1
-0.3
A circular object of radius r rolls without $$V$$ slipping on a horizontal level floor with the center having velocity $$V.$$ The velocity at the point of contact between the object and the floor is
A
zero
B
$$V$$ in the direction of motion
C
$$V$$ opposite to the direction of motion
D
$$V$$ vertically upward from the floor
2
GATE ME 2014
+1
-0.3
A rigid link PQ is 2 m long and oriented at 20o to the horizontal as shown in the figure. The magnitude and direction of velocity VQ, and the direction of velocity VP are given. The magnitude of VP(in m/s) at this instant is
A
2.14
B
1.89
C
1.21
D
0.96
3
GATE ME 2014
+1
-0.3
A 4-bar mechanism with all revolute pairs has link lengths $${l_f} = 20\,\,mm,\,\,{l_{in}} = 40\,\,mm,\,\,{l_{co}} = 50mm$$ and $${l_{out}} = 60\,mm.$$ The suffixes $$'f', 'in', 'co'$$ and $$'out'$$ denote the fixed link, the input link, the coupler and output link respectively. Which one of the following statements is true about the input and output links?
A
Both links can execute full circular motion
B
Both links cannot execute full circular motion
C
Only the output link cannot execute full circular motion
D
Only the input link cannot execute full circular motion
4
GATE ME 2014
+1
-0.3
For the given statements:
($$I.$$) $$\,\,\,$$ Mating spur gear teeth is an example of higher pair
($$II.$$) $$\,\,\,$$ A revolute joint is an example of lower pair.

A
Both $$I$$ and $$II$$ are false
B
$$I$$ is true and $$II$$ is false
C
$$I$$ is false and $$II$$ true
D
Both $$I$$ and $$II$$ are true
GATE ME Subjects
EXAM MAP
Medical
NEET