VIZAG M.T. Exam. 2017- Theory of Machines Quiz 1

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Question 1

Gearing contact is which one of the following?

• ASliding contact
• BSliding contact, only rolling at pitch point
• CRolling contact
• DRolling and sliding at each point of contact

Question 2

What is the number of instantaneous centres of rotation for a 6-link mechanism?

• A4
• B6
• C12
• D15

Question 3

Spiral gears are used to connect:

• ATwo parallel shafts
• BTwo non-parallel shafts
• CTwo non-parallel and non-intersecting shaft
• DNone of the above

Question 4

Spring constant of compression spring is not dependent on:

• Ashear modulus
• Bmaterial strength
• Cwire thickness
• Dwire diameter

Question 5

The equation of motion of a linear vibratory system with a single degree of freedom is . The critical damping coefficient for the system is ___________.

• A32
• B16
• C8
• D4

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