1) Which flat belt drive system has two pulleys mounted on driven shaft and one pulley on driving shaft?

Multiple belt drive

Cone pulley drive

Fast and loose pulley drive

None of the above


2) Why is an idler gear used in gear trains?

A) To obtain minimum centre distance between driving and driven shaft

B) To have required direction of rotation

C) Both a. and b.

D) None of the above


3) With worm-and-gear sets very high gear ratio can be obtained. It can be as high as

10:1

50:1

100:1

500:1


4) Gears resemble spiral bevel gears except that the shaft axes do not intersect.

Epicyclic

Worm

Hypoid

Face


5) Which of the following are used to run chains?

Sprockets

Couplings

Splines

Trunions


6) In a pair of gears the amount of clearance between mated mated gear teeth is called

backlash

flank

addendum

dedendum


7) In a gear, addendum + dedendum is equal to

nominal depth

standard depth

whole depth

working depth


7) In a gear, addendum + dedendum is equal to

nominal depth

standard depth

whole depth

working depth


9) Which gears are used to connect two intersecting shaft axes?

Crossed helical gear

Worm and worm wheel

Bevel gears

All of the above


10) The gear used to convert rotary motion into translating motion is

Crown gear

Spiral Bevel gear

Rack and pinion

Worm and wheel


11) The accurate spacing of teeth in a gear blank requires the use of

dividing head

an index ptate

a differential mechanism

universal table


12) Helical gears can be cut on which type of milling machine?

Plain

Horizontal

Universal

Drum type


13) Which clutch can be engaged progressively when one or both the elements are rotating?

Single plate clutch

Cone clutch

Centrifugal clutch

Dog clutch


14) Where a large speed reduction is desired, which type of gear is used?

Worm and worm wheel

Helical bone gear

Hypoid gear

Herringbone gear


15) Which type of gear converts rotary motion to linear motion?

Rack and pinion

Worm and worm wheel

Hypoid gear

Internal gear


16) Gears having their teeth element parallel to the rotating shafts are known as ……………..

worm gear

spur gear

helical gear

bevel gear


17) The radial distance between the pitch circle and the root circle is called ……………..

dedendum

addendum

working depth of the teeth

whole depth of the teeth


18) In a ‘V’ belt the angle between the side is …………

10°

20°

30°

40°


19) What is the function of Dog clutch?

It can be engaged progressively when one or both the elements are rotating

It can only be engaged when two elements of the clutch are stationary

When the speed is reduced the clutch opens by itself

Contact force is produced by springs


20) In which clutch, the pressure plate is used?

Multiple plate clutch

Dog clutch

Over riding clutch

Centrifugal clutch


21) Which flat belt drive system has two pulleys mounted on driven shaft and one pulley on driving shaft?

Multiple belt drive

Cone pulley drive

Fast and loose pulley drive

None of the above


22) Why is an idler gear used in gear trains?

A) To obtain minimum centre distance between driving and driven shaft

B) To have required direction of rotation

C) Both a. and b.

D) None of the above


23) With worm-and-gear sets very high gear ratio can be obtained. It can be as high as

10:1

50:1

100:1

500:1


24) Gears resemble spiral bevel gears except that the shaft axes do not intersect.

Epicyclic

Face

Worm

Hypoid


25) Which of the following are used to run chains?

Sprockets

Trunions

Couplings

Splines


26) In a pair of gears the amount of clearance between mated mated gear teeth is called

dedendum

addendum

backlash

flank


27) In a gear, addendum + dedendum is equal to

standard depth

nominal depth

working depth

whole depth


28) The radial distance between the pitch diameter and the outside diameter of a gear is called

addendum

dedendum

addendum + dedendum

addendum — dedendum


29) Which gears are used to connect two intersecting shaft axes?

Crossed helical gear

Worm and worm wheel

Bevel gears

All of the above


30) The gear used to convert rotary motion into translating motion is

Spiral Bevel gear

Worm and wheel

Crown gear

Rack and pinion


31) The accurate spacing of teeth in a gear blank requires the use of

dividing head

an index ptate

a differential mechanism

universal table


32) Helical gears can be cut on which type of milling machine?

Plain

Horizontal

Universal

Drum type


33) Which clutch can be engaged progressively when one or both the elements are rotating?

Single plate clutch

Cone clutch

Centrifugal clutch

Dog clutch


34) Where a large speed reduction is desired, which type of gear is used?

Worm and worm wheel

Helical bone gear

Hypoid gear

Herringbone gear


35) Which type of gear converts rotary motion to linear motion?

Rack and pinion

Worm and worm wheel

Hypoid gear

Internal gear


36) Gears having their teeth element parallel to the rotating shafts are known as ……………..

worm gear

spur gear

helical gear

bevel gear


37) The radial distance between the pitch circle and the root circle is called ……………..

dedendum

addendum

working depth of the teeth

whole depth of the teeth


38) In a ‘V’ belt the angle between the side is …………

10°

20°

30°

40°


39) What is the function of Dog clutch?

It can be engaged progressively when one or both the elements are rotating

It can only be engaged when two elements of the clutch are stationary

When the speed is reduced the clutch opens by itself

Contact force is produced by springs


40) In which clutch, the pressure plate is used?

Multiple plate clutch

Dog clutch

Over riding clutch

Centrifugal clutch


 

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