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Machinist
WORMS AND KEYS
Set 1
Set 1
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Q8549
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What is the use of splines on a shaft?
A
To slide along longitudinally
B
Change the direction of rotation
C
As idler
D
Spline hub fixed stationary
Q8550
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Which method is suitable for worm wheel machining?
A
Shaping
B
Hobbing
C
Grinding
D
Turning
Q8551
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Which surface of a worm gear is termed as throat?
A
Cylindrical
B
Flat
C
Concave
D
Convex
Q8552
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What is 'Normal pitch' in worm wheel?
A
Axial pitch x sine of helix angle
B
Axial pitch x cosine of helix angle
C
Axial pitch x tan of helix angle
D
Axial pitch x cosec of helix angle
Q8553
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What is the formula to calculate outside diameter of worm wheel?
A
Throat radius - module
B
Throat radius + module
C
Throat diameter + module
D
Throat diameter -module
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