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Materials and Construction

Materials and Construction
Steel pipes are normally manufactured by __________ process.

Electroforming
Cold working
Forging
Extrusion

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Materials and Construction
Brine (15% concentration) can be stored in a vessel made of

Karbate
Cast iron
Monel
None of these

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Materials and Construction
18-4-1 high speed steel contains 18%, 4% and 1% respectively of

Tungsten, vanadium and chromium
Vanadium, chromium and tungsten
Chromium, tungsten and vanadium
Tungsten, chromium and vanadium

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Materials and Construction
Pipes for bi-cycle frames are made of __________ steel.

Chrome carbon
Hot rolled
Stainless
Cold rolled

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Materials and Construction
To improve the machinability of steel, it is generally subjected to

Tempering
Spheroidising
Annealing
Normalising

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Materials and Construction
Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70%?

Cast iron
Nickel
Steel
Karbate

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