Q. __________ alloys have the highest specific strength of all the structural materials out of the following.

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Q. 100% H₂SO₄ at 30°C can't be stored in a vessel made/lined with

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Q. Carbon content in plain carbon steel is __________ percent.

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Q. Duralumin is an alloy of

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Q. Which of the following is not a nickel based alloy ?

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Q. Coke oven walls are lined with __________ bricks.

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Q. Iron rust is

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Q. Urea autoclave is made of

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Q. Mild steel is

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Q. Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its

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Q. Babbit metal used for making bearings should have

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Q. Vessels made of __________ can be used to store dry chlorine.

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Q. For spinning viscose rayon, the extrusion spinnerettes are made of

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Q. Alpha iron is stable __________ °C.

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Q. Aqueous nitric acid is stored in

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Q. Addition of tungsten to steel imparts

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Q. Hot working of lead is carried out at

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Q. Which of the following is a light alloy ?

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Q. Thermosetting resins are those polymers, which

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Q. Graphite is a good

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