Machine Design MCQs

Question 1

Diameter of washer is generally taken

Accepted Answer

Bigger than nut size

Answer

Equal to nut size

Answer

Less than nut size

Answer

Any size irrespective of nut size

Question 2

Splined shaft is used in applications

Accepted Answer

Calling for axial relative movement between shaft and hub

Answer

In which stress concentration due to deep key-way is to be avoided

Answer

High torque is to be transmitted

Answer

High r.m.p.

Question 3

Which type of gear will be used for non-intersecting perpendicular shafts

Accepted Answer

Hypoid gears

Answer

Helical gears

Answer

Worm gears

Answer

Herringbone gears

Question 4

Addendum of a cycloidal gear tooth is

Accepted Answer

Epicycloid

Answer

Cycloid

Answer

Involute

Answer

Hypocycloid

Question 5

Which type of gear will be used to have minimum axial thrust

Accepted Answer

Herringbone gears

Answer

Helical gears

Answer

Hypoid gears

Answer

Worm gears

Question 6

Spiral gears are suitable for transmitting

Accepted Answer

Small power

Answer

Huge power

Answer

No power but motion only

Answer

Any power

Question 7

Spring driven watches and clocks utilize

Accepted Answer

Cycloid gears

Answer

Involute gears

Answer

Epicycloid gears

Answer

Straight rack gears

Question 8

Which type of gear will be used for nonparallel and non-intersecting shafts

Accepted Answer

Hypoid gears

Answer

Helical gears

Answer

Worm gears

Answer

Herringbone gears

Question 9

As pump speed increases, its NPSH (net positive suction head) requirement

Accepted Answer

Increases

Answer

Decreases

Answer

Remains same

Answer

Unpredictable