Related Questions

In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear.
A Right hand
B Left hand
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
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in
A Greater degree of separation with a fixed number of trays
B Increased reboiler load
C Increased reflux ratio
D None of these
In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness ratio is unaffected with the changed cutting conditions, the actual chip thickness will be
A Doubled
B Halved
C Quadrupled
D Unchanged
In helical gears, the distance between similar faces of adjacent teeth along a helix on the pitch cylinders normal to the teeth, is called
A normal pitch
B axial pitch
C diametral pitch
D module
The helix angle for single helical gears ranges from
A 10° to 15°
B 15° to 20°
C 20° to 35°
D 35° to 50°
The helix angle for double helical gears may be made up to
A 45°
B 60°
C 75°
D 90°
In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called
A Normal pitch
B Axial pitch
C Diametral pitch
D Module
A bag of chicken feed can feed 18 chickens for 54 days. For how many days will it feed 12 chickens?
A 81
B 36
C 72
D 40
Fqra cold viscous feed, backward feed gives __________ than forward feed.
A A higher capacity
B A lower capacity
C Lower economy
D None of these

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