1
GATE ME 2012
MCQ (Single Correct Answer)
+1
-0.3
A cantilever beam of length $$L$$ is subjected to a moment $$M$$ at the free end. The moment of inertia of the beam cross section about the neutral axis is $$I$$ and the Young’s modulus is $$E$$. The magnitude of the maximum deflection is
A
$${{M{L^2}} \over {2EI}}$$
B
$${{M{L^2}} \over {EI}}$$
C
$${2{M{L^2}} \over {EI}}$$
D
$${4{M{L^2}} \over {EI}}$$
2
GATE ME 2012
MCQ (Single Correct Answer)
+1
-0.3
A thin walled spherical shell is subjected to an internal pressure. If the radius of the shell is increased by 1% and the thickness is reduced by 1%, with the internal pressure remaining the same, the percentage change in the circumferential (hoop) stress is
A
0
B
1
C
1.08
D
2.02
3
GATE ME 2012
MCQ (Single Correct Answer)
+1
-0.3
In the mechanism given below, if the angular velocity of the eccentric circular disc is $$1$$ rad/s, the angular velocity (rad/s) of the follower link for the instant shown in the figure is GATE ME 2012 Theory of Machines - Analysis of Plane Mechanisms Question 51 English

Note : $$All$$ $$dimensions$$ $$are$$ $$in$$ $$mm$$

A
$$0.05$$
B
$$0.1$$
C
$$5.0$$
D
$$10.0$$
4
GATE ME 2012
MCQ (Single Correct Answer)
+1
-0.3
The following are the data for two crossed helical gears used for speed reduction:
Gear $$I:$$ Pitch circle diameter in the plane of rotation 80mm and helix angle 30o

Gear $$II:$$ Pitch circle diameter in the plane of rotation 120mm and helix angle 22.5o

If the input speed is 1440 rpm. The output speed in rpm is

A
1200
B
900
C
875
D
720