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581.

The clearance between the tips of a spark plug is checked by

A.	Vernier caliper	B.	Wire gauge
C.	Feeler gauge	D.	Delatometer
E.	None of the above

582.

The process of joining two slip gauges is known as

A.	Pressing	B.	Soldering
C.	Welding	D.	Wringing
E.	Piercing

583.

The thickness of clearance can be checked by

A.	Shap gauge	B.	Ring gauge
C.	Go and not go gauge	D.	Feeler gauge
E.	Any of the above

584.

Choose the incorrect statement

A.	Ductile materials in presence of fine feed and high cutting speed produce chips with built up edges	B.	Ductile material produce continuous chip
C.	Both (A) and (B)	D.	None of the above

585.

The back rake angle of HSS single point cutting too will be zero while machining

A.	Mild steel without collant	B.	Cast iron with high carbon percentage
C.	Brass	D.	Hard materials
E.	Brittle materials

586.

Goose neck tools are used on

A.	Planers	B.	Milling machines
C.	Wood working lathes	D.	Capstan lathes
E.	Grinders

587.

The cutting edges of a twist drill are known as

A.	Flanks	B.	Wedges
C.	Flutes	D.	Lips
E.	None of the above

588.

Hardest abrasive is

A.	Silicon carbide	B.	Diamond
C.	Aluminium oxide	D.	Boron carbide
E.	Tungsten oxide

589.

A fly cutter is used on

A.	Lathe	B.	Capstan lathe
C.	Metal spinning lathe	D.	Milling machines
E.	Shaper

590.

It is desired to remove large quantity of material from a job in shortest possible time, on a lathe using high speed steel cutter. Which of the following step will be helpful?

A.	Reduce spindle speed and increase depth of cut	B.	Increase spindle speed and take light cuts
C.	Increase spindle speed and take light cuts	D.	At the speed corresponding to cutting speed take roughing cuts of maximum possible depth
E.	None of the above