A. Less than the wet bulb temperature
B. More than the wet bulb temperature
C. Equal to the wet bulb temperature
D. Equal to the ambient temperature
✅ The correct answer is option B.
Engineering MCQs
Nusselt number/Biot number varies
A. Inversely with thermal conductivity
B. Directly with heat transfer co-efficient
C. Directly with thermal conductivity
D. Inversely with the dimension of the solid
✅ The correct answer is option A.
The following thermocouple may be used for measuring temperature upto 1873°K.
A. Chromel-alumel
B. Copper-constantan
C. Platinum-platinum rhodium
D. Iron-constatan
✅ The correct answer is option C.
__________ of test specimens is not involved in any hardness testing method.
A. Fracture
B. Indentation
C. Wear
D. Scratch
✅ The correct answer is option A.
Which of the following is not a cupro-nick-el alloy?
A. German silver
B. Monel metal
C. Muntz metal
D. None of these
✅ The correct answer is option C.
Upto the critical radius of insulation, added insulation, will
A. Increase the heat loss
B. Decrease heat loss and will have no effect beyond that
C. Decrease heat flux
D. Reduce convection heat loss compared to conduction heat less
✅ The correct answer is option B.
Normal dosage of chlorine in public water supply scheme ranges from __________ ppm.
A. 0.5 to 1
B. 10 to 15
C. 300 to 500
D. 1000 to 1500
✅ The correct answer is option A.
Which of the following approaches the ideal gas behaviour most closely?
A. Wet steam
B. Saturated steam
C. Superheated steam
D. Saturated water
✅ The correct answer is option C.
Sewage is not an excellent medium for the growth of
A. Aquatic creatures
B. Protozoa
C. Virus
D. Pathogenic bacteria
✅ The correct answer is option A.
Which of the following is not found in iron-carbon equilibrium diagram?
A. Curie point
B. Peritectic point
C. Eutectic point
D. Eutectoid point
✅ The correct answer is option A.