A. Linear variable differential transducer (LVDT)
B. Dial gauge
C. Accelerometer
D. None of these
✅ The correct answer is option C.
Engineering MCQs
Property responsible for the talcum powder to cling to the skin is the
A. Capillary action
B. Adhesion
C. Cohesion
D. Surface tension
✅ The correct answer is option B.
Specific gravity of hot metal (pig iron) is __________ times that of the blast furnace slag.
A. 2
B. 3
C. 0.8
D. 6
✅ The correct answer is option B.
Galena is an ore of
A. Iron
B. Copper
C. Lead
D. Aluminium
✅ The correct answer is option C.
A thin, flat & square plate measuring 2 m x 2 m is freely hanging in ambient air at 25°C. It is exposed to the solar radiation falling on one side of the plate at the rate of 500 W/m ². The plate temperature will remain constant at 30°C, if the convective heat transfer co-efficient is __________ W/m² °C.
A. 50
B. 100
C. 150
D. 200
✅ The correct answer is option B.
Ignition of fuel in a diesel engine is by
A. Spark
B. Hot compressed air
C. Fuel injection
D. None of these
✅ The correct answer is option B.
Which of the following phenomenon will exhibit the minimum heat transfer?
A. Boiling
B. Forced convection in air
C. Free convection in air
D. Conduction in air
✅ The correct answer is option D.
The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.
A. Evaporative capacity
B. Evaporation efficiency
C. Thermal efficiency
D. Steam load
✅ The correct answer is option A.
‘GASOHOL’ widely used in Brazil as a motor fuel is a mixture of alcohol and
A. Petrol
B. LPG
C. Light hydrocarbon gases (e.g. butane or propane)
D. None of these
✅ The correct answer is option A.
In “Imperial Smelting Process” for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :
A. Jet of water at high pressure
B. Blast of air
C. Mixture of water and air
D. Rain of molten lead
✅ The correct answer is option D.