Brittle
Ductile
Tough
Malleable
✅ The correct answer is option A.
Engineering MCQs
The heat treatment process to which castings and the steel balls produced by cold heading are subjected is
Tempering
Normalising
Annealing
None of these
✅ The correct answer is option B.
How many atoms are there per unit cell in a body centred cubic lattice system?
2
3
4
6
✅ The correct answer is option A.
Phenol is not shipped in
Nickel lined steel tank cars
Galvanised or tin lined drums
Boxed glass carboys
Cast iron containers
✅ The correct answer is option D.
Water gas generator is made of
Carbon steel-brick lined
Stainless steel-lead lined
Cast iron
High carbon steel-procelain lined
✅ The correct answer is option A.
Which of the following finds the least commercial use?
Pure iron
High silicon iron
Low carbon steel
High carbon steel
✅ The correct answer is option A.
Purity of electrical grade aluminium should be ≥ __________ percent.
95
99.5
85
90
✅ The correct answer is option B.
Ball bearings are generally made of
Plain carbon steel
Chrome carbon steel
Stainless steel
Malleable cast iron
✅ The correct answer is option B.
Fatigue strength of a material increases by
Having notches in the specimen
Rise in temperature
Under stressing the specimen
Having scratches on the surface
✅ The correct answer is option C.
Most suitable material of construction for the storage of concentrated nitric acid is
Cast iron
Monel
Karbate
Aluminium or chromium alloys (Cr > 18% for cold acid)
✅ The correct answer is option D.