175) Which of the following statement is correct for gears ?

The addendum is less than the dedendum

The pitch circle diameter is the product of module and number of teeth

The contact ratio means the number of pairs of teeth in contact

all of the these

Answer is:

all of the these

Theory of Machines MCQ with Answers

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176) The minimum number of teeth on the pinion which will mesh with any gear without interference for 20? full depth involute teeth will be

Answer is:

18

177) In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders, are placed at

45 Degree to each other

90 Degree to each other

120 Degree to each other

180 Degree to each other

Answer is:

90 Degree to each other

178) The coriolis component of acceleration leads the sliding velocity by

45 Degree

90 Degree

135 Degree

180 Degree

Answer is:

90 Degree

179) Which of the following is a spring controlled governor?

Hartnell governor

Hartung governor

Wilson-Hartnell governor

all of these

Answer is:

all of these

Explanation:

Hartnell governor, Hartung governor and Wilson-Hartnell governors are spring controlled governor.

Theory of Machines MCQ with Answers

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175) Which of the following statement is correct for gears ?

all of the these

Theory of Machines MCQ with Answers

Related Theory of Machines MCQ with Answers

176) The minimum number of teeth on the pinion which will mesh with any gear without interference for 20? full depth involute teeth will be

18

177) In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders, are placed at

90 Degree to each other

178) The coriolis component of acceleration leads the sliding velocity by

90 Degree

179) Which of the following is a spring controlled governor?

all of these

Theory of Machines MCQ with Answers