A. Decreases but dew point remains constant
B. Increases but dew point remains constant
C. Increases & the dew point decreases
D. Decreases & the dew point increases
✅ The correct answer is option B.
Engineering MCQs
A material is capable of resisting softening at high temperature, because of its property termed as
A. Hot temper
B. Hot hardness
C. Fatigue
D. Creep
✅ The correct answer is option B.
A fine grained grinding wheel should not be used for grinding __________ materials.
A. Hard
B. Brittle
C. Soft & ductile
D. None of these
✅ The correct answer is option C.
Carbon is present in the form of __________ in grey cast iron.
A. Spheroids
B. Nodular aggregates of graphite
C. Flakes
D. Cementite
✅ The correct answer is option C.
Blast furnace slag is mainly molten
A. Sand
B. Magnesium silicate
C. Calcium silicate
D. Iron pyrite
✅ The correct answer is option C.
If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity
A. Is trebled
B. Remains unchanged
C. Decreases by a factor of √3
D. Decreases by a factor of 1/3
✅ The correct answer is option B.
When a copper ball is heated, the largest percentage increase will be in its
A. Radius
B. Area
C. Mass
D. Volume
✅ The correct answer is option D.
While the bin cards are used in the effective stores management, the queing theory is associated with the __________ time.
A. Waiting
B. Idle
C. Inspection
D. Tool replacement
✅ The correct answer is option A.
The starting of a car takes time in winter, because the
A. Octane number of fuel is decreased
B. Fuel supply for ignition is not sufficient
C. Vaporisation of the fuel is decreased
D. Pour point of fuel decreases
✅ The correct answer is option C.
Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________ method.
A. Diminishing balance
B. Sinking fund
C. Multiple straight line
D. Sum of the years digit
✅ The correct answer is option A.