A. Feed water pump
B. Steam superheater
C. Blow off cock
D. Economiser
✅ The correct answer is option C.
Engineering MCQs
Rankine cycle comprises of two isothermal and two __________ processes.
A. Isobaric
B. Polytropic
C. Isentropic
D. None of these
✅ The correct answer is option D.
The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.
A. 0
B. 100
C. 50
D. None of these
✅ The correct answer is option B.
Production of a hollow product by inflation of a tube or parison is called the __________ process.
A. Blow moulding
B. Calendering
C. Extrusion
D. Injection
✅ The correct answer is option A.
Gantt charts are used for streamlining the
A. Inventory control
B. Production schedule
C. Sales forecasting
D. Quality control
✅ The correct answer is option B.
Friction factor for fluid flow in pipe does not depend upon the
A. Pipe length
B. Pipe roughness
C. Fluid density & viscosity
D. Mass flow rate of fluid
✅ The correct answer is option A.
Rain drops falling through atmospheric air attain limited terminal velocity, because of
A. Upward thrust due to air
B. Viscous force exerted by air
C. Surface tension effects of water
D. Force of gravity
✅ The correct answer is option B.
A friction lighter is normally used for lighting gas welding torch, because of the reason that
A. Its initial cost is very low
B. Duration of spark created is very small
C. Safety of welder is ensured
D. It is easier to operate & maintain
✅ The correct answer is option C.
Tempering of a material does not improve its
A. Machinability
B. Toughness
C. Internal stress level
D. Softness
✅ The correct answer is option A.
Surface tension is due to the __________ forces.
A. Viscous
B. Adhesive
C. Cohesive
D. All of these
✅ The correct answer is option C.