With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to

Which of the following factors can cause misalignment of the teeth on the pinion relative to those on the gear? 1. Inaccurate gear teeth 2. Misalignment of the axes of shafts carrying gears 3. Thermal distortions during operation Select the correct answer using the code given below

A

1 and 2 only

B

1 and 3 only

C

2 and 3 only

D

1, 2 and 3

Which of the following coupling is used to connect two shafts which have both lateral and angular misalignment?

A

Bushed pin type coupling

B

Universal coupling

C

Oldham coupling

D

All of these

Statement I: Hooke’s joint connects two non-parallel non-intersecting shafts to transmit motion with a constant velocity ratio. Statement II: Hooke’s joint connects two shafts the axes of which do not remain in alignment while in motion.

A

Both Statement I) and Statement II) are individually true and Statement II) is the correct explanation of Statement I)

B

Both Statement I) and Statement II) are individually true but Statement II) is not the correct explanation of Statement I)

C

Statement I) is true but Statement II) is false

D

Statement I) is false but Statement II) is true

Which of the following coupling working to joint two shafts with large angular misalignment?

A

Rigid coupling

B

Flexible bush coupling

C

Universal coupling

D

Oldham's coupling

Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.

A

Forging

B

Cold rolling

C

Hot rolling

D

Casting

It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by

A

Universal joint

B

Knuckle joint

C

Oldham's coupling

D

Flexible coupling

The axes of the two shafts are intersecting and are at 25° to each other. These two shafts are connected by Hook’s joint. At which position of the drives shaft velocity ratio will be maximum?

A

90°, 270°

B

0°, 180°

C

180°, 270°

D

90°, 180°

The axes of the two shafts are intersecting and are at 30° to each other. These two shafts are connected by Hook’s joint. At which position of the drives shaft velocity ratio will be minimum?

A

90°, 270°

B

0°, 180°

C

180°, 270°

D

90°, 180°

The axes of the two shafts are intersecting and are at 35° to each other. These two shafts are connected by Hook’s joint. At which position of the drives shaft acceleration will be maximum?

A

68.4°

B

96.1°

C

225.5°

D

330.7°

The axes of the two shafts are intersecting and are at 25° to each other. These two shafts are connected by Hook's joint. At which position of the drives shaft velocity ratio will be maximum?

A

90°, 270°

B

0°, 180°

C

180°, 270°

D

90°, 180°

With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to

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