MANUFACTURING AND PRODUCTION TECHNOLOGY QUIZ

The abrasive recommended for grinding materials of low tensile strength is

Aluminium oxide

Silicon carbide

Sand stone

Diamond

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The method of centre less grinding used to produce taper is

Through feed grinding

Any one of these

End feed grinding

In-feed grinding

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The factor which affects the tool life is

Feed rate

All of these

Cutting speed

Tool geometry

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The angle formed by the leading edge of the land with a plane having the axis of the drill, is called

Point angle

Lip clearance angle

Helix or rake angle

Chisel edge angle

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The cutting speed is maximum while machining _________ with a high speed steel tool.

Aluminium

Cast iron

Brass

Mild steel

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The in-feed grinding is used to

Grind long, slender shafts or bars

All of these

Produce tapers

Grind shoulders and formed surfaces

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A mandrel is used to hold

An eccentric work

A heavy work

A thin work

None of these

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The material which on machining produces chips with built up edge is

Ductile material

Brittle material

Hard material

Tough material

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The cutting force in punching and blanking operations mainly depends on

The bulk modulus of metal

The shear strength of metal

The yield strength of metal

The modulus of elasticity of metal

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The purpose of jigs and fixtures is to

Decrease expenditure on quality control

Facilitate interchangeability

All of these

Increase machining accuracy

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