84) Which of the following is the example of lever of first order

Answer is:

all of the above

Which of the following is the example of lever of first order

Engineering Mechanics MCQ with Answers

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85) A pair of smith′s tongs is an example of the lever of

Answer is:

first order

A pair of smith′s tongs is an example of the lever of

86) In the lever of third order, load W, effort P and fulcrum F are oriented as follows

Answer is:

W between P and F

In the lever of third order, load W, effort P and fulcrum F are oriented as follows

87) The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of

Answer is:

repose

88) In actual machines

Answer is:

mechanical advantage is less than velocity ratio

Explanation:

An Actual machine is that in which there is a loss of energy in some manner. In an actual machine, the work output is less than the work input, i.e., efficiency of an actual machine is always less than 100%.

In Actual machines, mechanical advantage is less than velocity ratio.

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84) Which of the following is the example of lever of first order

all of the above

Engineering Mechanics MCQ with Answers

Related Engineering Mechanics MCQ with Answers

85) A pair of smith′s tongs is an example of the lever of

first order

86) In the lever of third order, load W, effort P and fulcrum F are oriented as follows

W between P and F

87) The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of

repose

88) In actual machines

mechanical advantage is less than velocity ratio

Engineering Mechanics MCQ with Answers