Materials and Construction MCQs

479 MCQs  — Chemical Engineering MCQs  (Page 14 of 48)

Which is the purest form of iron ?
A. Wrought iron
B. Pig iron
C. Bessemer iron
D. Grey iron
Stainless steel contains_________________?
A. Chromium and nickel
B. Copper
C. Aluminium
D. Vanadium
Chilled iron castings are__________________?
A. Easily machinable
B. Soft on surface
C. Highly wear resistant
D. None of these
Brass container is suitable for storing__________________?
A. Aqueous ammonia
B. Beer
C. H2so4 (95%)
D. Phosphoric acid (95%)
Monel metal is an alloy of__________________?
A. Molybdenum and nickel
B. Nickel and copper
C. Molybdenum and aluminium
D. Molybdenum and zinc
Centrifugal pump made of pyrex or glass can’t be used to pump___________________?
A. Milk and fruit juices
B. Alkaline solutions
C. Dilute h2so4 at room temperature
D. Brine
Thermoplastic resins are those polymers, which____________________?
A. Has decreased plasticity at increasing temperature
B. Cannot be moulded
C. Easily deform under pressure at high temperature
D. None of these