Oldham coupling i used to connect two shafts having intersecting axes.

A machine started malfunctioning due to some issues with the coupling. The coupling emplaced in the machine was Oldham. The only coupling available in the workshop is Hooke’s coupling. So Oldham coupling can be replaced by Hooke’s coupling.

A

True

B

False

Which of the following are the inversions of double Slider Crank Chain mechanism ? a. Scotch yoke and Oscillating cylinder engine b. Oldham's coupling and Hand pump c. Elliptical trammel and Oldham's coupling d. Whitworth quick-return mechanism and Scotch yoke Which of the above is/are correct?

A

Only a and b

B

Only d

C

Only c

D

Only c and d

For an Oldham coupling used between two shafts, which among the following statements are correct? I. Torsional load is transferred along shaft axis. II. A velocity ratio of 1:2 between shafts is obtained without using gears. III. Bending load is transferred transverse to shaft axis. IV. Rotation is transferred along shaft axis.

A

I and III

B

I and IV

C

II and III

D

II and IV

Oldham’s coupling is used to connect two shafts which are

A

intersecting

B

parallel

C

perpendicular

D

co-axial

Oldham coupling is used to connect two shafts

A

Which are perfectly aligned

B

Which are not in exact alignment

C

Which have lateral misalignment

D

Whose axes intersect at a small angle

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

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°

Oldham coupling i used to connect two shafts having intersecting axes.

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