FITTER S-2

A Drift is used for.......
A) Drawing drill location
B) Fixing chuck on the machine Spindle
C) Removing the drill from the machine Spindle
D) Removing a broken drill from the work
Answer-C

The tap used to cut threads in a blind hole is.......
A) Bottoming tap
B) Taper tap
C) Second tap
D) Any of these
Answer-A

Gas Flame used for Braze Welding.............
a) Oxidizing Flame
b) Less Carburizing Flame
c) Carburizing Flame
d) Acetylene Flame

In..........position, welding can be easily done,
a) Flat
b) Overhead
c) Vertical
d) Horizontal 

In Acetylene cylinder acetylene is mixed with.................
a) Water
b) Carbon-di-oxide
c) Mercury
d) Acetone

Flame suitable for preheating before cutting.................
a) Carburizing
b) Less oxidizing
c) Neutral
d) Oxidizing       

Letter represents basic hole..............
a)G
b)H
c)h
d)g

In twist drill IO-H-IS 5101-HS, 10 represent............
a) Indian Standard Number
b) Material of Drill
c) Type of Tool
d) Drill Diameter

Least count of Vernier micro meter is...............
a) 0.02 mm
b) 0.05 mm
c) .001 mm
d) 0.1 mm     

Safe storage pressure of Acetylene Gas is..............
a) 0.5 kg/cm5 b) I kg/cm2 c) 1.5 kg/cm2 d) 2 kg/cm2

Weld used for making T joint on flat............
a) Fillet b) Filler c) Braze d) None of these

During preparation of process sheet, which one is necessary?
a) Selection of Materials
b) Selection of machine
c) Selection of special tools
d) All of these

Floor Inspection is carried out at...............
a) At certain interval
b) After setting of machine
c) In separate room
d) At actual job place

A die is...............
a) Internal thread cutting tool
b) Acme thread cutting tool
c) External thread cutting tool
d) Square thread cutting tool

Furnace used in the production of Pig Iron
a) Cupola Furnace
b) Electric arc Furnace
c) B last Furnace
d) Open Hearth Furnace

Grey cast iron is.............
a) Tough
b) Malleable
c) Tensile
d) Ductile 

In 18-8 Stainless Steel 8 indicates the percentage of..............
a) Vanadium
b) Nickel
c) Chromium
d) Cobalt

Melting point of Zinc is..............
a)327°C
b)216°C
c) 232° C
d) 420°

Carbon Content in High Carbon Steel.................
a) 0.7% to 1.5%     
b) > 1.5%
c) < 0.25%
d) 0.25% to 0.7%   

Carbon content in grey cast iron.....................
a)4%to5%
b)3%to
c) 2% to 3%
d)3%to4%

Surface hardness of Dowell Pin..................
a) 60-64 HRC
b) 70-74 HRC
c) 40-44 HRC
d) 50-54 HRC 

Adhesive bonding are used for...................
a) Fastening
b) Sealing         
c) Both (a) & (b)   
d) Not (a) nor (b)

Core Hardness of Dowel Pin is___ __
a) 60-64 HRC
b) 70-74 HRC
c) 40-44 HRC
d) 50-54 HRC     

When Sulphur is added to steel its................. increases?
a) Softness
b) Surface Finish
c) Brittleness
d) Hardness 

Vernier height Gauge is specified by...................
a) Height of Main Scale
c) Length of scriber
b) Width of Beam
d) Height of Base

Which type of extinguisher is used in welding shop?
a) C02 extinguisher
b) Hollow extinguisher
c) Foam type extinguisher
d) Dry powder extinguisher

A feller gauge is used for...................
a) Checking gap between mating parts
b) Checking accuracy of hole
c) Adjusting the parts for play
d) Checking radious of jobs

A drill hole goes out of centre due to.......................
a) Centre punch mark not being large enough to give proper seat to the chisel edge drill
b) Inproper champing of work piece
c) Work piece having blow holes
d) Any one of the above

A short reamer with an axial hole used with an arbor or mandrel is....................
a) Expansion reamer
b) Chucking reamer
c) Parallel reamer
d) Adjustable reamer

Sideways of a machine are frequently lubricated by.....................
a) Ring lubricator   
b) Pump lubricator
c) Oil can
d) Grease gun 

Under Hole basis system....................is clearance fit
a) 25 H7/z
b) 25 H7/g11
c) 25 h7/g11
d) 25 H7/p6

The cause of glazing of grinding
a) Grain size is too fine
c) Wheel speed is too fast
b) Wheel is hard
d) Both (a) & (b)

Preventive maintenance is___,
a) Done to prevent the maintenance of machine
b) The overall lubrication and repair work carried out by the maintenance section in advance of machine coming to breakdown
c) The maintenance work for any fault noticed during the work
d) None of these

Triangular scrapers is used for scraping
a) Bearing surfaces
b) Large flat surfaces
c) Large diameter holes
d) Small dia meter holes


Counter boring is done to_
a) To make seat for socket head screw
b) To make seat for cheese head
c) To enlarge the through hole
d) None of these

Shellac Bond is represented by
a)E
b) V
c) S
d) B

Specification of Grinding wheel is "51 A 46 L 5 V 23", Here 5 indicates_
a) Structure
b) Grade
c) Bond
d) Grain Size 


In the above question Letter L indicates_.
a) Structure
b) Grade
c) Bond
d) Grain Size 

For general work Lip clearance angle is_ .
a) 10° to 12°
b) 12° to 18°
c) 10° to 15°     .   
d)12°tol5°     

Drills are made up of
a) High Carbon Steel
c) Either (a) or (b)
b) High speed Steel
d) Both (a) & (b)

Which one of the following is used to hold straight shank drill having dia meter less
a) Drill chuck
b) Drill drift
c) sleeve
d) Socket

If the dimension of component is25±0.03 mm, its tolerance is
a) 0.06 mm
b) 0.03 mm
c) -0.03 mm
d) -0.06

A cutting tool used to finish and enlarge a hole is known as.- .
a) Die
b) Reamer
c) Drill
d)Tap

What is used to remove broken tap?
a) Tap extractor     
b) Tap nut
c) Tap disposer     
d) Tap wrench

Interchangeability is normal
a) Mass production
b) Repairing of parts
c) Single piece production
d) All of these

Gauges are made up of..................
a) Cast Steel
b) Mild Steel
c) Alloy steel
d) Cast Iron 

Jenny caliper is used to

a) For finding the internal round bar
b) For finding the angles

c) For finding the external of round bar
d) For finding the center of round bar

While drilling the drill gets overheated this is due to.....

a) Less cutting angle

b) Excessive cutting pressure

c) More lip clearance angle

d) Material being drilled is ductile

Angle of BSW 'V form thread is .

a) 55°
b)45°

c) 60°
d) 47.5°

To find/ check the clearance between two mating parts,

a) Fillet
b) Plug

c) Radius
d) Feeler

Vernier height gauge works on the principle similar to

a) Vernier caliper
b) Vernier bevel protector

c) Vernier micrometer
d) None of the above

Which of the following thread is used for transmitting motion?

a) Trapezoidal thread
b)BSW thread

c) Round thread

d) ISO Metric thread

Shaping of grinding wheel to make it run concentric with the axis is called........

a) Truing
b) Glazing

c) Zinc
d) Lead

Bronze is an alloy of copper and.............

a)Tin
b) Silver

c) Zinc
d) Lead

The difference between the maximum limit of sizes is equal to

a) Lower deviation
b) Actual size

c) Upper deviation
d) Tolerance

Name the Instrument to measure the diameter of round rod.

a) Inside micrometer
b) Tube micrometer

c) Depth Micrometer
d) Outside micrometer

Which one of the following elements cannot be checked with the screw pitch gauge

a. Lead
b. Depth

c) Pitch
d) Profile

Operation for making a seat for bolt head, washer or nut is called

a. Counter boring
b. Grooving

c) Spot facing
d) Countersinking

The Number of divisions on Vernier scale of a Vernier micrometer(metric) are.

a) 10
b) 100

c) 5
d) 5 0

The surface of a'grinding wheel develops a smooth shining appearance is called -

a) Loading
b) Truing

c) Glazing
d) Dressing

Files are made of..........

a) Mild Steel
b) Aluminum

c) Forged wrought iron
d) High carbon steel

What is the functional part "pilot" provided in reamers-

a) Removing chips

b) Hold in machine spindle.

c) Finish Concentric Hole
d) Hold in tap wrench

Pudding furnace is used to produce

a) Cast Iron
b) Steel

c) Pig Iron

d) Wrought Iron

In Oxy acetylene welding, color of oxygen cylinder is

a) Maroon
b) Brown

c) Red
d) Black

Which flame is suitable for cutting operations-

a) Carburizing flame
b) Oxidizing flame
c) Neutral Flame

d) None of these

Which flame is suitable for welding of non ferrous metals (brasses and bronzes)

a) Carburizing flame
b) None of these

c) Oxidizing flame
d) Neutral Flame

A left hand screw advances in: -

a) Anticlockwise
b) None of these

c) Clockwise
d) Any direction

Acme thread is a modified form of....

a) Square thread
b) Worm thread

c) Vee thread

d) Saw tooth thread

Mechanical seals are used to..........

a) Prevent leakage

b) Balance the equipment

c) Prevent vibration
d) Reduce Function

Interchangeability of parts is best suited for........

a) Mass production
b) None of the above

c) Batch production
d) Job production

Hook Scrapers are used for scraping .

a) Hollow Surface
b) Bend surface

c) Curved surface

d) Centre portion of a flat surface

In Marking of grinding wheels,....................compulsory symbols are used?

a)8

b)5

c)7

d)6

While over tighten the bench vice which part will get damage?

a) Spindle
b) Fixed Jaw

c) Handle
d) Square nut

Zero line represents

a) Lower deviations
b) None of the above

c) Upper deviation
d) Zero deviations

Twist drill are made of

a) Low carbon steel
b)Wood

c) High speed steel
d) Stainless steel

Which type of apron is used while during welding

a) Plastic

b) Leather and worn

c) Cotton
d) Silk

Which one of the following is not reason for accident

a) Negligence
b) Using gloves

c) unawareness of danger
d) Improper use of tools

In Lap Joint, plates are kept

a) In butt positions
b) At a angle

c) At straight angle
d) Overlap position

Killed steel is opposite of...............steel.

a) Alloy

b) Rimmed

c) Carbon

d) None of these

Welding flux is used for

a) Oxidation

b) To stop oxidation

c) Radiation
d) Reduction

The least count of a vernier bevel protectors

a) 1"
b) 1°

c) 5"
d)5°

What should be done immediately if a cylinder leaks due to

defective valves or safety plug

a) Try to repair it yourself

b) Inform other to the suppliers

c) Ask other to repair it
d) Move it to a safe area

Pressure welding process, generally used in sheet metal fabrication is called

a) Gas welding
b) Thermit welding

c) Arc welding
d) Spot welding

The clearance angle of a drill is
a) 12° to 20°
b) 3° to 5° 

c) 3° to 5° 
d) 8° to 12° 

The tap used to cut threads in a blind hole is..................

a) Second tap

b) Any one of these

c) Taper Tap

d) Bottoming Tap

Electrode is consumed in the following welding process .........

a) Resistance
b) Thermit

c) Gas
d) Arc

A Drift is used for

a) Removing a broken drill from the work

b) Removing the drill from the machine spindle

c) Drawing drill location

d) Fixing chuck on the machine spindle

The charge is fed into the blast furnace through the

a) Stack
b) Tuyers

c) Bosh

d) Throat

Adjustable screw plate die is used for

a) Increasing or decreasing depth of cut

b) To supply the cutting oil while threading

c) Chasing or reconditioning

d) Easy to assemble inside the color

,,,,,,,,,,,,,,,,,,,,,,,,Is used for galvanizing iron sheets so that they do not rust.

a) Tin
b) Silver

c) Lead
d) Zinc

The process of beveling the end of a hole is called

a) Counter sinking
b) Reaming

c) Counter boring
d) Spot facing

Straight shank drills are held in..............

a) Socket
b) Drill chuck

c) Sleeve
d) Arbor

Property of wrought iron is decide by-

a) Carbon and manganese
b) Magnesium and manganese

c) Carbon and magnesium
d) Aluminum and carbon

The drilled hole is more than drill size due to

a) Unequal lip lengths
b) Large Helix angle

c) Incorrect clearance

d) Inappropriate cutting angle