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Objective Questions
Engineering
Mechanical
ME Set-1
Theory of Machines
334

Theory of Machines MCQ with Answers

334) The interference may only be avoided if the addendum circles of the two mating gears cut the common tangent to the base circles between the points of tangency.

Right

Wrong

Answer is:

Right

Theory of Machines MCQ with Answers

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Related Theory of Machines MCQ with Answers

336) A spring controlled governor is said to be isochronous when the controlling force

increases as the radius of rotation decreases

increases as the radius of rotation increases

decreases as the radius of rotation increases

remains constant for all radii of rotation

Answer is:

remains constant for all radii of rotation

337) In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will

cause withdrawing or throttling of steam

reduce length of effective stroke of piston

reduce maximum opening of port to steam

all of these

Answer is:

reduce length of effective stroke of piston

338) The critical speed of a shaft depends upon its

mass

stiffness

mass and stiffness

stiffness and eccentricity

Answer is:

mass and stiffness

339) Which of the following mechanism is an approximate straight line motion mechanism?

Watt's mechanism

Grasshopper mechanism

Robert's mechanism

all of these

Answer is:

all of these

Theory of Machines MCQ with Answers

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