Rubber lined vessels are corroded by the action of
A. Aqua regia
B. Chloroform
C. Sulphuric acid (95%)
D. All of the above
Answer: Option D
A. Aqua regia
B. Chloroform
C. Sulphuric acid (95%)
D. All of the above
Answer: Option D
In drop forging process, the forging is done by dropping the __________ at high velocity.
A. Hammer
B. Workpiece
C. Die with hammer
D. Weight on hammer
Most of the common metals have __________ crystal structure.
A. Cubic
B. Hexagonal
C. Orthorhombic
D. None of these
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
Join The Discussion