Related Questions

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
The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as
A Spur gearing
B Helical gearing
C Bevel gearing
D Spiral gearing
When two non-parallel or intersecting but coplanar shafts are connected by gears, the arrangement is known as,
A Bevel gearing
B Helical gearing
C Worm gearing
D None of these
When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as
A angular bevel gears
B crown bevel gears
C internal bevel gears
D mitre gears
The arrangement is called bevel gearing, when two __________ are connected by gears.
A tension in the tight side of the belt
B tension in the slack side of the belt
C sum of the tensions on the tight side and slack side of the belt
D average tension of the tight side and slack side of the belt
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 type of gears used to connect two non parallel and non intersecting shafts is
A Spur gear
B Helical gear
C Bevel gear
D Spiral gear
These gears transmit power between shafts whose axes intersect at any angle:
A Worm gears
B Spur gears
C Bevel gears
D Racks
which type of gears has point contact between two mating gears?
A helical gears
B spiral gears
C both (a) and (b)
D none of these
Two advantages of using helical gears rather than spur gears in a transmission system are
A Strength and cost
B Strength and less end thrust
C Noise level and strength
D Noise level and economy

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