Previous Years GATE Questions on Mechanism 2002-2004

Solved GATE Questions on Mechanism

Question 1. The Coriolis component of acceleration is present in

(A) Four bar mechanisms with four turning pairs

(B) Shaper mechanism

(C) Slider crank mechanism

(D) Scotch Yoke mechanism

GATE-ME-2002

Hint

Question 2. The minimum number of links in a single degree-of –freedom planar mechanism with both higher and lower kinematic pairs is

(A) 2

(B) 3

(C) 4

(D) 5

GATE-ME-2002

Hint

Data for Q.3-4 are given below. Solve the problems and choose correct answers.

The circular disc shown in its plane view in the figure rotates in a plane parallel to the horizontal plane about the point O at a uniform angular velocity . Two other points A and B are located on the line OZ at distances  from O respectively.

Question 3. The velocity of point B with respect to point A is a vector of magnitude

(A) 0

(B)  and direction opposite to the direction of motion of B.

(C)  and direction same as the direction of motion of B.

(D)  and direction being from O to Z.

GATE-ME-2003

Hint

Question 4. The acceleration of point B with respect to point A is vector of magnitude.

(A) 0

(B)  and direction opposite to the direction of motion of B.

(C)  and direction opposite to the direction of motion of B.

(D)  and direction from Z to O.

GATE-ME-2003

Hint

Question 5. When a cylinder is located in a Vee-block, then number of degrees of freedom which are arrested is

(A) 2

(B) 4

(C) 7

(D) 8

GATE-ME-2003

Hint

Question 6. The length of the inks of a 4- bar linkage with revolute pairs only are p, q, r and s units. Given that . Which of these links should be the fixed one, for obtaining a “double crank” mechanism?

(A) Link of the length p

(B) Link of the length q

(C) Link of the length r

(D) Link of the length s

GATE-ME-2003

Hint

Question 7. The mechanism used in a shaping machine is

(A) A closed 4-bar chain having 4 revolute pairs

(B) A closed 6-bar chain having 6 revolute pairs

(C) A closed 4- bar chain having 2 revolute and 2 sliding pairs

(D) An inversion of the single slider chain

GATE-ME-2003

Hint

Question 8. Match the following with respect to spatial mechanisms

 
(A) P-1  Q-3         R-3

(B) P-5  Q-4         R-3

(C) P-2  Q-3         R-1

(D) P-4  Q-5         R-3

GATE-ME-2004

Hint

Question 9. Match the following

 
 

(A)P-2   Q-3         R-1         S-4

(B) P-3  Q-2         R-4         S-1

(C) P-4  Q-1         R-2         S-3

(D) P-4  Q-3         R-1         S-2

GATE-ME-2004

Hint

Question 10. The figure below shows a planar mechanism with single degree of freedom. The instant centre 24 for the given configuration is located at a position

(A) L

(B) M

(C) N

(D) 

GATE-ME-2004

Hint

Question 11. In the figure shown, the relative speed of the link 1 with respect to link 2 is 12 m/sec. Link 2 rotates at a constant speed of 120 rpm. The magnitude of the Coriolis component of acceleration of link 1 is

(A) 302 

(B) 604 

(C) 906 

(D) 1208 

GATE-ME-2004

Hint

Question 12. For a mechanism shown below, the mechanical advantage for the given configuration is

(A) 0

(B) 0.5

(C) 1.0

(D) 

GATE-ME-2004

Hint

Answer Keys