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For the following questions answer them individually
For helical gears, the helix angle generally ranges from
30 to 45 degrees
45 to 60 degrees
30 to 75 degrees
0 to 30 degrees
Which of the following is not a foundry tool?
Riddle
Arbor
Slick
Trowel
Filler metal is used in
Spot welding
Projection welding
Gas welding
Seam welding
Hot working of metal is carried out
Above the recrystallisation temperature
At the recrystallisation temperature
Working Temperature depends upon physical condition of work piece
Below the recrystallisation temperature
The vertical passage for bringing molten metal to mould cavity is called
Riser
Sprue
Runner
Gate
In arc welding, the arc length should be approximately equal to
Diameter of electrode rod
One and a half time the diameter of electrode rod
Twice the diameter of the electrode rod
Half the diameter of the electrode rod
The forging of the steel specimen is normally done at a temperature of
$$800^\circ C$$
$$1100^\circ C$$
$$1500^\circ C$$
$$400^\circ C$$
Which part of the cutting tool is prone to crater wear?
Face
Shank
Base
Flank
The size of a Shaper is specified by
Gross weight off machine
Surface area that can be machined in one hour
Quick return ratio
Maximum travel of cutting tool
The process of pouring molten metal in the cavity of a metallic mould by gravity is known as
Permanent mould casting
Pressed Casting
Shell Casting
Die Casting
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