SEM 4 JAN2016 FITTER

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

Helical gears can be cut on which type milling machine?
A Plain B Horizontal C Universal D Drum tvnp

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

The damaged external threads are rectified by......

A  die nut   B   half die    C   circular die    D  adjustable screw plate die

The included angle of a pipe thread is

A  60°   B  47°   C  55°  D  45°

Which clutch 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

The standard pipe fittings are provided with threads conforming with.......

A BA   B BSW   C BSP   D Metric

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

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

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

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

The application of pressure pads in fixtures is to..........

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

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

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

Which  metal   is   used  for  coating in galvanizing?
A Lead    B Brass    C Zinc    D Aluminium

Which one of the following is liquid lubricant?

A Grease  B Molybdenum disulphide  C Synthetic oil  D Wax

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Best conductor of heat and electricity is.............

A nickel  B chromium   C aluminium  D copper

Which metal can be joined by soldering and brazing easily than aluminium?
A Silver   B Copper   C Chromium   D Zinc

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

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

A Water  B  Carbon dioxide  C  Carbon tetrachloride  D Foam

Which of the following is the non-metallic anti corrosion treatment?
A Enamelling   B Cladding   C Sheradising    D Calorising

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

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

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

Which pipe wrench is used for holding large diameter of a pipe?
A  Chain wrench  B  Allen wrench  C   Strap wrench  D   Pipe wrench

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

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

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