Plain carbon steel
Stainless steel
Rubber or durmet-20 lined
Lead
✅ The correct answer is option C.
Materials and Construction MCQs
__________ does not contain tin as an alloying material.
Brass
Pewter
Solder
Babbit metal
✅ The correct answer is option A.
High degree of toughness is a must for
High speed steel
Shock resisting steel
Cold work tool steel
None of these
✅ The correct answer is option B.
The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability?
Lead
Copper
Aluminium
Wrought iron
✅ The correct answer is option A.
Which of the following alloying elements is present in maximum percentage in high speed steel.
Molybdenum
Chromium
Tungsten
Vanadium
✅ The correct answer is option C.
A measure of toughness of a material is its
Percentage elongation
Yield strength
Ultimate strength
Area under stress-strain diagram
✅ The correct answer is option B.
Mercury is transported in metal containers made of
Aluminium
Iron
Lead
Nickel
✅ The correct answer is option B.
Molybdenum steels containing 0.15 to 0.40% molybdenum
Are prone to temper brittleness
Are used for automobile parts like gears, axle, shaft, bearings etc
Have very poor fatigue resistance
Do not contain nickel or chromium or both
✅ The correct answer is option B.
Most suitable material for high pressure vessel operating at 500 atm. and 500° C is
Molybdenum stainless steel
18/8 stainless steel
Mild steel
High silicon iron (14% Si)
✅ The correct answer is option A.
Addition of __________ in steel can help in increasing the depth of hardness.
Nickel
Chromium
Vanadium
Tungsten
✅ The correct answer is option D.