FITTER (THEORY) SEMESTER – 4 Feb 2016

FITTER (THEORY) SEMESTER – 4 Feb 2016

The accurate spacing of teeth in a gear blank

requires the use of...........

A dividing head

B  an index plate

C  a differential mechanism

D  universal table

Answer: A dividing head

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Helical gears can be cut on which type of

milling machine?

A. Plain

B. Horizontal
C. Universal
D. Drum type

Answer: C. Universal

The carburizing is done on
A   high carbon steel
B   medium carbon steel
C  low carbon steel
D  high speed steel

Answer: C  low carbon steel

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The standard pipe fittingo are provided with

threads conforming with.......

A BA
B BSW
C BSP

D Metric

Answer: C BSP

Which dutch can be engaged progressively
when one or both the elements are rotating?

A  Single plate clutch

B   Cone clutch

C  Centrifugal clutch

D  Dog clutch

Answer: B   Cone clutch

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The included angle of a pipe thread is
A 60°
B 47°
C 55°
D 45°

Answer: C 55°

The damaged external threads are rectified

by......

A  die nut

B  half die

C  circular die

D  adjustable screw plate die

Answer: A  die nut

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Where a large speed reduction is desired,

which type of gear is used?
A  Worm and worm wheel
B  Helical bone gear
C   Hypoid gear
D  Herring bone gear

Answer: A  Worm and worm wheel

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Which type of gear converts rotary motion to

linear motion?
A   Rack and pinion
B  Worm and worm wheel
C   Hypoid gear
D   Internal gear

Answer: A   Rack and pinion

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In the pipe assembly, the hemp packing is

used to................

A  fill the gap between threads
B  avoid leakage
C  get tight fitting
D  easy engagement

Answer: B  avoid leakage