A. 597
B. 959
C. 1147
D. 1493
✅ The correct answer is option D.
Engineering MCQs
Baffles provided on the shell side of a shell and tube heat exchanger are meant for
A. Providing support for the tubes
B. Improving heat transfer
C. Both A & B
D. Preventing the fouling of tubes & stagnation of shell side fluid
✅ The correct answer is option C.
Which of the following manufacturing processes produces the strongest components ?
A. Forging
B. Cold rolling
C. Hot rolling
D. Die casting
✅ The correct answer is option A.
Co-efficient of performance of a Carnot cycle refrigerator operating between – 23°C and + 27°C is
A. 3
B. 5
C. 0.5
D. 1.5
✅ The correct answer is option B.
The most commonly used moderator in nuclear power plant is
A. Graphite
B. Light water
C. Heavy water
D. Berellium
✅ The correct answer is option A.
Larger length & diameter water pipes are made by
A. Electrical resistance welding
B. Die casting
C. Semi-centrifugal casting
D. Continuous casting
✅ The correct answer is option C.
Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part?
A. Anodising
B. Tempering
C. Carburising
D. Annealing
✅ The correct answer is option B.
A steam carraying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will
A. Increase
B. Decrease
C. Remain unaffected
D. May increase or decrease; depends on the thickness of each layer
✅ The correct answer is option C.
Buoyancy force depends on the __________ the liquid.
A. Depth of immersion in
B. Displaced mass of
C. Surface tension of
D. Viscosity of
✅ The correct answer is option B.
Adhesives
A. Can’t be used in the form of pressure sensitive tapes
B. Can’t join two dissimilar metals
C. Cure instantaneously after application on a surface
D. None of these
✅ The correct answer is option D.