A. Ambient
B. Dry bulb
C. Dew point
D. Wet bulb
✅ The correct answer is option C.
Engineering MCQs
The value of y = cp/cv. at < 500°C for air & most common gases can be safely assumed to be
A. 0.8
B. 1
C. 1.4
D. 1.8
✅ The correct answer is option C.
Brazing is the joining of metals
A. Without melting the base metal
B. With a non-ferrous filler
C. Both A & B
D. Neither A nor B
✅ The correct answer is option C.
The hardenability of steel decreases with
A. Decrease in dislocation density
B. Increase in solutionising temperature
C. Increase in strength
D. Decrease in grain size
✅ The correct answer is option D.
__________ forces do not act in case of fluids.
A. Vibratory
B. Centrifugal
C. Elastic
D. Tensile
✅ The correct answer is option D.
Which of the following is a disaccharide?
A. Lactose
B. Starch
C. Cellulose
D. Fructose
✅ The correct answer is option A.
An atom bomb works on the principle of
A. Nuclear fission
B. Nuclear fusion
C. Both the nuclear fission & fusion
D. Ionisation
✅ The correct answer is option A.
Lead is most readily dissolved in
A. Acetic acid
B. Hydrochloric acid
C. Nitric acid
D. Sulphuric acid
✅ The correct answer is option A.
Heat required to raise the temperature of a body by 1 °C is called its
A. Heat capacity
B. Specific heat capacity
C. Thermal conductivity
D. Water equivalent
✅ The correct answer is option A.
Silicon crystal can be converted to p-type semi-conductor by doping with
A. Phosphorous
B. Nitrogen
C. Carbon
D. Boron
✅ The correct answer is option D.