Maximum permissible sulphur content in steel is ______________ percent?
Maximum permissible sulphur content in steel is ______________ percent?
A. 0.015
B. 0.055
C. 0.505
D. 0.805
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Stainless steel is not corroded by _____________________?
Stainless steel is not corroded by _____________________?A. Hydrochloric acid (10%)
B. Nitric acid (10%)
C. Sulphuric acid (10%)
D. Saturated brineMaximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making___________________?
Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making___________________?A. Nuts
B. Bolts
C. Chisels
D. StudsChrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is ______________________?
Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is ______________________?A. Used for making axle & shafts of aeroplanes, automobiles and locomotives
B. Having poor fatigue resistance
C. Having poor toughness
D. Not helpful in producing cleaner steel due to oxidising action of vanadium______________ possesses viscoelastic properties?
______________ possesses viscoelastic properties?A. Cork
B. Glass
C. Graphite
D. RubberGlass is corroded by________________?
Glass is corroded by________________?A. Fluorine (dry or wet)
B. Sulphuric acid
C. Phosphoric acid
D. None of theseThe formation of oxide film on a metal due to atmospheric exposure reduces its____________?
The formation of oxide film on a metal due to atmospheric exposure reduces its____________?A. Toughness
B. Stiffness
C. Creep limit
D. All A., B. & C.