FITTER (THEORY) SEMESTER – 4 Feb 2016

FITTER (THEORY) SEMESTER – 4 Feb 2016

The sensitiveness of the spirit level depends

upon the............

A  size of the bubble

B   length of the glass tube

C  type of liquid filled in the glass tube

D  curvature of the glass tube

Answer: D  curvature of the glass tube

In which clutch, the pressure plate is used?
A  Multiple plate clutch
B  Dog clutch
C  Over riding clutch
D  Centrifugal clutch

Answer: D  Centrifugal clutch

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Generally solder is an alloy of ………..
A  copper and tin
B  lead and tin
C  zinc and tin
D  antimonv and tin

Answer: B  lead and tin

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Aluminium is extracted from the ore
A  pyrite
B  bauxite
C  aluminium oxide
D  magnetite

Answer: B  bauxite

Best conductor of heat and electricity

is.............

A nickel
B chromium
C aluminium
D copper

Answer: D copper

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Which of the following is the non-metallic anti

corrosion treatment?
A Enamelling
B Cladding
C Sheradising
D Caforising

Answer: A Enamelling

Which of the following fire extinguishing
agent is suitable for a live electrical fire?

A Water

B  Carbon dioxide

C  Carbon tetrachloride

D Foam

Answer: B  Carbon dioxide

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In braze welding, the filler rod melting point

is...........

A  above 450°C
B  above 550°C
C  above 600°C
D  above 650°C

Answer: D  above 650°C

Which metal can be joined by soldering and

brazing easily than aluminium?
A Silver
B Copper
C Chromium
D Zinc

Answer: B Copper

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Which pipe wrench is used for holding large

diameter of a pipe?
A   Chain wrench
B   Allen wrench
C  Strap wrench
D  Pipe wrench

Answer: A   Chain wrench

The belt slips, due to …….
A. less tension
B. misalignment
C. pulsating load
D. high starting torque

Answer: C. pulsating load

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Taper keys are rectangular cross section.

They have a taper of..........

A  1 :100 on the thickness
B  1 :90 on the thickness
C  1 : 80 on the thickness
D  1 :70 on the thickness

Answer: A  1 :100 on the thickness

The standard size of V belt from section 'D'

nominal top width is.........

A  22 mm
B  32 mm
C  38 mm
D  17 mm

Answer: B 32 mm

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The error in squareness can be accurately
determined by using a...................

A  try square and slip gauge

B  try square and feeler gauge

C  cylinder square and slip gauge

D   beveled edge try square

Answer: C  cylinder square and slip gauge

The spirit level is used for checking the level

of machine when..........

A  lifting the machine
B  erecting the machine
C  shifting the machine
D  grouting the machine

Answer: B  erecting the machine

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What is the function of a soldering iron in the

soldering process?
A  Melt the metal
B  Melt the solder
C  Cool the solder
D  Cool the metal

Answer: B  Melt the solder

FITTER (THEORY) SEMESTER – 4 Feb 2016

FITTER (THEORY) SEMESTER – 4 Feb 2016

Which one of the following is liquid lubricant?
A  Grease

B  Molybdenum disulphide
C  Synthetic oil
D  Wax

Answer: C  Synthetic oil

Drilling jigs are used for..........

A  drilling operation only

B  clamping the jobs while drilling

C  drilling, reaming, tapping and other allied

     operations
D  sharpening drill to correct angle

Answer: C  drilling, reaming, tapping and

                     other allied operations

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The fire triangle in fire hazards is identified

as..............

A fuel, oxygen and heat
B  fuel, oxygen and vapour
C  fuel, burning and solid
D  fuel, oil and waste

Answer: A fuel, oxygen and heat

A master gauge is...........

A A used by masters

B  a standard gauge for checking accuracy of

     gauges used on shop floors
C  used by all mechanics
D  a gauge used by experienced technician

Answer: B  a standard gauge for checking accuracy of

                     gauges used on shop floors

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In a 'V belt the angle between the side is....
A 10"
B 20°
C 30°
D 40°

Answer: D 40°

Name the fixed type foundation bolt that is
usually forged and filled up with lead and
cement?

A   Eye bolt

B  Rag bolt

C  Ordinary bolt

D  Bent type bolt

Answer: B  Rag bolt

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Which type of crow bar is easier to handle,
and the point will fit into a narrow gap?

A  Short crow bar

B  Long crow bar

C  Single ended crow bar

D  Double ended crow bar

Answer: A  Short crow bar

Which is used to provide a decorative and
corrosion resistant coating on aluminium and

its alloy?
A Galvanizing
B Anodizing
C Tinning
D Cladding

Answer: B Anodizing

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What is the function of Dog clutch?
A  It can be engaged progressively when one or

     both the elements are rotating
B   It can only be engaged when two elements

      of the clutch are stationary
C  When the speed is reduced the clutch opens

      by itself

D  Contact force is produced by springs

Answer: B   It can only be engaged when two elements

                     of the clutch are stationary

The use of travelling wall crane is..............

A  it allows the load to move horizontally to or

     from the box
B  it allows the load to move in three directions
C  an endless chains
D  two separate chains

Answer: B  it allows the load to move in three directions

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FITTER (THEORY) SEMESTER – 4 Feb 2016

FITTER (THEORY) SEMESTER – 4 Feb 2016

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

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The application of pressure pads in fixtures

is to..........

A  increase the shocks
B   increase the vibration
C  absorb shocks
D  increase the weight

Answer: C  absorb shocks

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Gears having their teeth element parallel to
the rotating shafts are known as............

A  worm gear

B  spur gear

C  helical gear

D  bevel gear

Answer: B  spur gear

The fuels like wood, paper, cloth, solid
materials etc., come under which class of
fire?

A  Class A fire

B  Class D fire

C  Class B fire

D  Class C fire

Answer: A  Class A fire

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Which metal is used  for  coating in galvanizing?

A. Lead

B. Brass

C. Zinc

D. Aluminium

Answer: C. Zinc

Water flows from tap even when firmly

closed, what is the reason?
A  Defective washer
B  Spindle bent
C  Retainer nut loose
D   Spindle thread worn out

Answer: A  Defective washer

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Aluminium is widely used in aircraft industry

because it is..................

A  corrosion resistant
B  soft and ductile
C  light in weight
D  low tensile strength

Answer: C  light in weight

Which type of gas flame is most suitable for

brazing?
A  Oxy-LPgas flame
B  Oxy-coal gas flame
C  Oxy-acetylene gas flame
D  Oxy-hydrogen gas flame

Answer: C  Oxy-acetylene gas flame

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Bronze is an alloy of
A  copper and tin
B  copper and zinc
C  copper, zinc and tin
D  zinc and tin

Answer: A  copper and tin

The radial distance between the pitch circle
and the root circle is called...........

A dedendum

B addendum

C  working depth of the teeth
D whole depth of the teeth

Answer: A dedendum

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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