Mild steel storage vessels are suitable for the storage of___________________?

A. Anhydrous ammonia
B. Fatty acids
C. Hydrochloric acid (95%)
D. Sulphuric acid (25%)

Which of the following has no effect on the carbide forming tendency in steels ?

A. Molybdenum
B. Phosphorus
C. Chromium
D. Vanadium

High carbon steel contains more than _____________ percent carbon?

A. 0.5
B. 2.2
C. 2.5
D. 2.8

Manganese in steel affects its__________________?

A. Ductility
B. Tensile strength
C. Hardness
D. None of these

Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with______________?

A. Acidic refractory
B. Rubber
C. Karbate
D. Lead or acid proof bricks

Cast iron is__________________?

A. Used for making shock resisting parts
B. Manufactured in cupola and is brittle
C. Having compressive strength more than its tensile strength
D. All A., B. & C.

Maximum carbon content in cast iron is ______________ percent?

A. 3.8
B. 5.2
C. 4.8
D. 4.3

Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with__________________?

A. Acidic refractory
B. Rubber
C. Karbate
D. Lead or acid-proof bricks

______________ iron is produced, when molten pig iron is allowed to cool gradually?

A. White cast
B. Grey cast
C. Wrought
D. None of these

Reduction in the grain size reduces the _______________ of the material?

A. Fatigue resistance
B. Tensile strength
C. Creep resistance
D. All A., B. & C.