A. Temperature is low
B. Atmospheric pressure is low
C. Atmospheric pressure is high
D. None of these
✅ The correct answer is option B.
Engineering MCQs
Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of
A. Steel
B. Glass wood
C. Copper
D. Fireclay bricks
✅ The correct answer is option B.
Electrometallurgy is not involved in the extraction of __________ from its ore.
A. Aluminium
B. Tin
C. Lead
D. Both B & C
✅ The correct answer is option D.
Regeneration of molecular seive requires it to be heated to a temperature of about __________ °C.
A. 80-120
B. 200-300
C. 600-800
D. 1000-1100
✅ The correct answer is option B.
Which of the following rays has the least wavelength?
A. Ultraviolet rays
B. Infrared rays
C. Cosmic rays
D. X-rays
✅ The correct answer is option C.
Diamond does not conduct electricity, because
A. Its structure is very compact
B. No free electrons are present
C. It is of crystalline nature
D. There are only carbon atoms present
✅ The correct answer is option B.
“Internal energy of a gas obeying Vanderwall’s equation of state, (p + a/v²)(V – b) = RT , depends upon its”
A. Pressure & temperature
B. Pressure & specific volume
C. Temperature & specific volume
D. Temperature only
✅ The correct answer is option A.
Disposable patterns are made of
A. Metal
B. Polystyrene
C. Rubber
D. Wood
✅ The correct answer is option B.
Filler metal is not used in the __________ welding.
A. Seam
B. Electric spot
C. Projection
D. All of the above
✅ The correct answer is option D.
The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the
A. Resilience
B. Toughness
C. Ductility
D. Impact strength
✅ The correct answer is option A.