Pig iron
Wrought iron
High carbon steel
None of these
✅ The correct answer is option D.
Materials and Construction MCQs
Rubber lined vessels are corroded by the action of
Aqua regia
Chloroform
Sulphuric acid (95%)
All of the above
✅ The correct answer is option D.
Steel tower used for the storage of oleum
Is lined with lead
Need not be lined
Is lined with rubber
Is lined with acid-proof bricks
✅ The correct answer is option B.
The chlorinator used in the manufacture of DDT is made of
Glass
Glass lined steel
Teflon
Bakelite
✅ The correct answer is option B.
To improve the machinability of steel by its softening, it is subjected to
Cold working
Annealing
Shot blasting
Heating
✅ The correct answer is option B.
Pipes for bi-cycle frames are made of __________ steel.
Hot rolled
Chrome carbon
Cold rolled
Stainless
✅ The correct answer is option C.
The heat treatment process applied to cold formed steel parts is
Normalising
Tempering
Artificial ageing
Solution annealing
✅ The correct answer is option D.
Nickel and molybdenum are the basic constituents of
Hastealloy
German silver
Inconel
Solder
✅ The correct answer is option A.
Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of __________ as mercury does not amalgamate with it.
Copper
Copper alloys
Stainless steel
Monel
✅ The correct answer is option C.
Balls in a ball mill are usually made of
Steel
Cast iron
Stainless steel
Bronze
✅ The correct answer is option A.