GATE 2024 II Theory of Machines & Vibrations II Rank Booster Quiz 23

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Question 1

Which among the following information regarding the 4 bar mechanism is correct?

• AIf length of 4^th link of 4 bar mechanism is made infinite, then motion of C will be horizontal.
• BThe motion at C be obtained if 4^th link is changed by slider and guides are given for motion.
• CSlider-crank mechanism is a special case of 4-bar mechanism
• DAll of these

Question 2

In a four-bar mechanism, if the coupler and output link coincides with each other, the transmission angle will be

• AMaximum
• BMinimum
• CZero
• DNo relation

Question 3

In a single degree-of-freedom, 4-link, revolute jointed Grashoff mechanism, ‘l’ is the longest link, ‘s’ is the shortest link and p, q are the two remaining links. These links may be in any order.
(a) If shortest link is fixed then the mechanism will be crank-crank type 
(b) When link next to shortest link is being fixed, the mechanism will be crank-rocker type. 
(c) When link opposite to shortest is fixed, mechanism will be rocker-rocker type.

• AOnly a is correct
• Ba & c are correct
• CBoth are correct
• DAll

Question 4

Belt pulley arrangement during transfer of power with no-slip is a____.

• ALower pair
• BHigher pair
• CDepends on the pulley material
• DCan’t say

Question 5

The inversion of double slider crank when the slotted plate is fixed and when one of the slider is fixed respectively are

• AOldham Coupling, Scotch Yoke
• BElliptical trammel, Oldham Coupling
• CElliptical trammel, Scotch Yoke
• DScotch Yoke, Elliptical trammel

Question 6

Relation between number of links (L) and number of pairs (P) is ________.

• AL = 2P – 2
• BL = 2P – 3
• CL = 2P – 4
• DNone of these

Question 7

For what purpose Scotch yoke mechanism is used

• ATo generate sine functions
• BTo generate square roots
• CTo generate logarithms
• DTo generate inversions

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