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

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

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

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

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

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

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

Which of the following can hold the work,
locate the work and guide the tool at the
desired position?
A   Drill bush
B   Drill fixture
C   Drill jig
D   V - block
Answer: C   Drill jig