A. 2.5
B. 3.75
C. 4.75
D. 5.25
✅ The correct answer is option A.
Engineering MCQs
Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
A. Joule
B. Carnot
C. Rankine
D. Brayton
✅ The correct answer is option C.
Eutectoid composition of carbon steel at room temperature is
A. Cementite
B. Pearlite
C. Martensite
D. Ferrite
✅ The correct answer is option B.
The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.
A. Tension
B. Shear
C. Compression
D. Bending & tension
✅ The correct answer is option A.
Normalising of a casting does not
A. Induce stresses in it
B. Refine its grain structure
C. Reduce seggregation
D. Improve its mechanical properties
✅ The correct answer is option A.
All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.
A. Deuterium
B. Hydrogen
C. Neon
D. Helium
✅ The correct answer is option B.
For separating small pieces of metal from engine oil of a car, the best separating technique is the
A. Chromatography
B. Evaporation
C. Filtration
D. Fractional distillation
✅ The correct answer is option C.
Absorptivity of a grey body varies with the
A. Wavelength of the incident ray
B. Temperature
C. Both A & B
D. Neither A nor B
✅ The correct answer is option D.
Nitrogen compounds are not used in the manufacture of
A. Fertilisers
B. Gun powder
C. Tip of match sticks
D. Explosive
✅ The correct answer is option C.
A common disinfectant used in village wells for disinfection of water is
A. Free chlorine
B. Bromine
C. Iodine
D. Potassium permanganate
✅ The correct answer is option D.