(THEORY & EMPLOYABILITY SKILLS)
A slight convexity is given in the cutting edge of the flat chisel is to_
a) Cut keyway on shaft
c) Cut curved surface
b) Prevent digging of the ends
d) Cut sharp corners
The purpose of tempering a hardened steel component is for_.
a) Increasing its hardness
c) Increasing its ductility
b) Reducing its brittieness
d) Increasing its toughness
Number of graduations on the thimble of a metric micrometer
Which one of the marking media takes longer time to dry?
a) Chalk powder
c) Copper sulphate
b) Prussian blue
d) Cellulose lacquer
The important elements in soft solder is_.
a) Tin and lead
c) Tin and copper
b) Lead and zinc
d) Tin and zinc
The size of the dividers is specified by the_
a) Distance between points when opened fully
b) Total length of the legs
c) Distance between the pivot and the points
d) Length of the legs without points
Try square is checking for_.
a) Check the round surface
c) Check the flat surface
b) Check the groove surface
d) Check the irregular surface
The value of one thimble scale division in a micrometer is_
Diluted Hydrochloric acid is used as flux for soldering_.
a) Copper sheets
c) Stainless steel sheets
b) Brass sheets
d) Galvanized iron sheet
Least count of micrometer is_.
a) 0.1 mm
c) 0.2 mm
b) 0.5 mm
d) 0.01 mm
What is the part used to change the range of depth micrometer?
c) Graduated sleeve
d) Extension rod
Which work holding device support the round job, while drilling the job on a drilling
a) ' V block and clamps, bolts, packing piece
b) The machine vice and bolts, packing piece
c) The hand vice with clamps, bolts
d) The pin vice with clamp, bolts
The best placement of the stock for heating in the forge is_
a) Below the tuyere with the fire coming from deep inside
b) On the top of the fixe covered with a tJiin layer of coal
c) Away from the tuyere with a thick layer of coal on the top
d) Near the tuyere allowing the air to fall directly on the Stock
Micrometer is based on the principle of_.
a) Nut and bolt
c) Rack and pinion
b) Differences of two scales
d) None of these
Vernier caliper can be used to measure_____.
a) Outer dia of a hole c) Depth of blind hole
b) Inner dia of a Hole d) All of these
After hardening process, the metal becomes more_.
Which hammer is used for sheet metal work?
a) Ball pein Hammer
c) Cross pein Hammer
b) Sledge Hammer
d) Soft Hammer(wood)
Drill chuck is used to hold_.
a) Straight shank drill
b) Taper shank drill
d) Drill socket
The purpose of ihe rivet set used in riveting is_.
a) To bring the sheet closely together
b) To straighten the sheet before riveting
c) To remove the burT between the sheets
d) To align the rivet in correct position
Striking portion of the hammer is called
a) Eye c) Handle
b) Peen d) Cheek
More spatters are used for_.
a) Slow speed c) More speed
b) Exfcess current d) Bigger gauge of electrode
A micrometer has negative error 0.03mm shows a reading of 25.52mm. The correct
a) 25.50 mm c) 25.57 mm
b) 25.55 mm d) 25.60 mm
Temperature of hotness of workpiece in a forge is judged approximately
a) Color c) Structure
b) Weight d) Smell
After threading a hole by a tap, it was found that the crest of the thread was not formed
a) Hole size slightly more than the tap drill
b) Insufficient coolant supply
c) Broken the tip of cutting edge of the tap.
d) Hole size slightly less than the tap drill size.
Anvi! is made of___-
a) Mild steel c) Copper
b) Cast iron d) Ceramic
Which type of non destructive test is suitable to check the internal defects of weld in high
pressure boiler welding?
a) Visual Test c) Magnetic particle test
b) Liquid penetrant test d) Radiographic test
A ne w hacksaw blade after a new strokes become loose because of the_
a) Wing nut thread being worn out c) Stretching of the blade
b) Improper selection of the set of screw d) Wrong pitch of the blade
Length of file is measured from tip to_-
a) Edge c) Face
b) Heel d) Tang
The sizes of a wing compass range between_.
a) 0 to 50mm - c)200to500mm
b) 50 to 200 mm d) 500 to 1000 mm
Fire clay, dinas and talc bricks are main refractory material employed in Forge. What is
the melting point of natural talc_.
a) 1000°C c) 1500°C
b) 1200°C d) 1700°C
The swage is a tool used in forge shop which is made of_.
a) High carbon steel c) Medium Carbon steel
b) Malleable Cast iron d) Low carbon steel
The type of Hammer used in forge shop weigh from 1 to 2 kgs and is fitted with short
wooden handle is_.
a) Hand Hammer c) Ball pane hammer
b) Sledge Hammer d) Straight pane hammer
Drawing out process is done on anvil. Name the part on operation is
a) Face c) Tail
b) Beak d) Round Hole
Already ormed head of rivet is supported by_
a) Rivet Set c) Snap
b) Dolly d) Drift
Name the cutting tool fixed in the Anvil square hole_
a) Hot set c) Cold set
b) Hard Die d) Anvil
While normalizing the component should be cooled by__.
a) Dipped in water c) Quenching in oil
b) FORCED air d) In still air to room temperature
Shapes of file is specified by its_-
a) Length c) Cross section
b) Width d) Thickness
Scribers are made of_.
a) Mild steel c) Brass
b) High carbon steel d) Cast Iron
Solder used for cooking utensils_.
a) Copper c) Tin
b) Zinc d) Lead
The acetylene gas cylinder is painted__.
a) Black c) Red
b) Maroon d) Blue
Protect eyes from welding spark_-
a) Hydrochloric Acid c) Phosphoric acid
b) Zinc Chloride d) Resin
The preferred material for soldering bit is_.
a) Lead c) Copper
b) Tin d) Zinc
The type of brush used to remove coarse rust in a sheet metal before painting
a) Wooden brush 0 Wire Brush
b) Nylon brush d) Painting brush
If a patient does not respond to mouth to mouth resuscitation treat, a first -aider should
a) Seek medical help c) Keep the body worm with blankets
b) Check the broken limbs d) Check pupils of eyes and pulse
Which type of chisel is used for cutting keyways Groove and slots?
a) Flat chisel c) Half round nose chisel
b) Cross cut chisel d) Diamond point chisel
The property of a metal by which it can be drawn into thin wire_
a) Elasticity c) Malleability
b) Ductility d) Plasticity
The convexity of file helps_-
a) To file concave surface
b) To file convex surface
c) To prevent rounding of edges of work.
d) The file to become straight when pressure is applied.
The drilling machine used for light duty work_.
a) Bench type sensitive c) Radial
b) Pillar type d) Gang
The recommended point angle of the chisel to cut mild steel is
a) 30° c) 55°
b) 45° d) 60°
Which grade of file is used for removing rapidly a large quantity of metal?
a) Dead smooth file c) Second cut file
b) Smooth file d) Rough file