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351.

As per ISS : designation T 70 W 18 4V 1 is

A.	Low carbon steels	B.	High speed steel
C.	Silicon steel	D.	Stainless steel

352.

Copper sheets are manufactured by

353.

The main constituent of dynamite is

354.

The material for wire drawing should have

355.

Gamma iron has

A.	Body centred space lattice structure containing 6 atoms	B.	Body centred space lattice structure containing 10 atoms
C.	Face centred space lattice structure with 8 atoms	D.	Face centred space lattice structure with 14 atoms
E.	None of the above

356.

The highest percentage of carbon that an iron carbon alloy can have is

357.

Cast iron containing 6.6% carbon is

A.	Black in colour containing only pearlite	B.	Black in colour containing only ferrite
C.	Gray in colour containing pearite and ferrite only	D.	Whitish containing cementite only
E.	None of the above

358.

Which of the following is used for imitation jewellery?

359.

Which of the following aluminium alloy is commonly used for utensils?

360.

Which of the following is a mesomorphous material?