A. Deviation
B. Derivative time
C. Error ratio
D. Differential gap
✅ The correct answer is option A.
Engineering MCQs
The elastic strain in copper is due to the
A. Motion of dislocations
B. Stretching of atomic bonds
C. Breakage of atomic bonds
D. None of the above
✅ The correct answer is option A.
Alloying elements present in Hayness stel-lite, which has superior performance than high speed steel, are
A. Nickel, cobalt & chromium
B. Tungsten, chromium & cobalt
C. Manganese, chromium & cobalt
D. Tungsten, molybdenum & nickel
✅ The correct answer is option B.
In continuous casting of liquid steel, the mould is made of
A. Water cooled steel
B. Water cooled copper
C. Refractory oxide
D. Silicon carbide
✅ The correct answer is option B.
X-rays are
A. Positively charged
B. Negatively charged
C. Neutral
D. Of higher wavelength than visible light
✅ The correct answer is option C.
In an eutectic system, two elements are completely
A. Soluble in solid state
B. Insoluble in liquid state
C. Insoluble in both solid & liquid state
D. Soluble in liquid state
✅ The correct answer is option D.
Which of the following forces does not act on a fluid at rest?
A. Viscous force
B. Gravity force
C. Hydrostatic force
D. Surface tension force
✅ The correct answer is option A.
The same volume of all gases is representative of their
A. Specific gravities
B. Densities
C. Gas characteristic constants
D. Molecular weights
✅ The correct answer is option D.
The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.
A. Wetness
B. Mass flow rate
C. Both A & B
D. Neither A nor B
✅ The correct answer is option C.
Superheated vapour behaves like
A. Dry steam
B. Gas approximately
C. An ordinary vapor
D. None of these
✅ The correct answer is option B.