Silver
Copper
Zinc
Nickel
✅ The correct answer is option B.
Materials and Construction MCQs
Locomotive boiler tubes are made of __________ alloys.
Arsenic copper
Magnesium
Aluminium
Nickel
✅ The correct answer is option A.
Inconel is an alloy of
Tin, zinc and nickel
Iron, nickel and chromium
Copper and nickel
Copper and tin
✅ The correct answer is option B.
Metalloid is
Highly electronegative in nature
An element which exhibits the properties of both metal & non-metal
An alloy
All of the above
✅ The correct answer is option B.
Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the
Ultimate tensile strength (U.T.S.)
Endurance limit
Elastic limit
None of these
✅ The correct answer is option B.
Which of the following has the highest compressive strength?
Wrought iron
Cast iron
Mild steel
High carbon steel
✅ The correct answer is option D.
In the Kraft process of sulphate paper pulp manufacture, the black liquor and the white liquor storage tank is made of
Concrete
Wood
Steel
Porcelain
✅ The correct answer is option C.
Caustic soda can be stored in __________ drums.
Steel
Cast iron
Brass
Gun metal
✅ The correct answer is option A.
Ceramic recuperators are generally made of
Silicon carbide
Calcium carbide
Fireclay bricks
High alumina bricks
✅ The correct answer is option A.
Plate and frame filter press is usually made of
Mild steel
Cast iron
Stainless steel
Galvanised iron
✅ The correct answer is option B.