Departmental (other) • 2025 • Paper-II
Vertical centrifugal pumps are also called-
A)
Bilateral pump
B)
Vertigo
C)
Negative pump
D)
Cantilever pumps
Option D is correct: Cantilever pumps.
Departmental (other) • 2025 • Paper-II
Hydrostatic testing of pump involves pressurizing the pump casing to ensure it can withstand-
A)
Weight
B)
Suction
C)
Operating pressure
D)
Position
Option C is correct: Operating pressure.
Departmental (other) • 2025 • Paper-II
A machine that uses an abrasive to remove material from a workpiece, shaping and finishing it to a desired form is called-
A)
Compacting machine
B)
Grinding machine
C)
Drilling machine
D)
Crimping machine
Option B is correct: Grinding machine.
Departmental (other) • 2025 • Paper-II
Electric motor typically consists of rotor and-
A)
NPSH
B)
Head
C)
Water
D)
Stator
Option D is correct: Stator.
Departmental (other) • 2025 • Paper-II
Describe the key aspect for maintenance and operation of pumps.
Departmental (other) • 2025 • Paper-II
Pipes that are made using high frequency currents to form a bond between the edges of a metal is known as-
A)
ERW pipes
B)
PVC pipes
C)
UPVC pipes
D)
CPVC pipes
Option A is correct: ERW pipes.
Departmental (other) • 2025 • Paper-II
The temperature at which steel transitions from a solid to liquid is-
A)
Corrosive point
B)
Coating
C)
Translation
D)
Melting Point
Option D is correct: Melting Point.
Departmental (other) • 2025 • Paper-II
A welding process that uses flux blanket to shield the weld is called-
A)
Gas welding
B)
Submerged Arc Welding
C)
Tungsten inert gas welding
D)
Stick Welding
Option B is correct: Submerged Arc Welding.
Departmental (other) • 2025 • Paper-II
What is lubrication in engine? Describe the advantages of using lubricant in an engine?
Departmental (other) • 2025 • Paper-II
Calculate water demand in MLD for a population of 25000 souls at a water supply level of 55 lpcd.
Departmental (other) • 2025 • Paper-II
Selection and layout plan of water pumping station includes a thorough evaluation of flood plains and potential flooding to determine-
A)
Flood risk
B)
Quantity of water
C)
Moisture
D)
Pump head
Option A is correct: Flood risk.
Departmental (other) • 2025 • Paper-II
Define IC Engines. Describe the working of CI & SI Engine.
Departmental (other) • 2025 • Paper-II
Cooling system of DG set has to be checked regularly to prevent-
A)
Moisture
B)
Overheating
C)
Run hours
D)
Resistance
Option B is correct: Overheating.
Departmental (other) • 2025 • Paper-II
Describe the key parameters for selection of pump.
Departmental (other) • 2025 • Paper-II
A steel pipe that exhibits high strength, durability and corrosion resistance due to the process of forming them from steel coils are known as-
A)
ERW pipes
B)
Square pipes
C)
Tin
D)
Cast Iron
Option A is correct: ERW pipes.
Departmental (other) • 2025 • Paper-II
Main types of air compressors are reciprocating, rotary and-
A)
Centrifugal
B)
Artificial
C)
Magnetic
D)
Potential
Option A is correct: Centrifugal.
Departmental (other) • 2025 • Paper-II
A water distribution system is a network that transport treated or untreated water from a source to-
A)
Reservoir
B)
Gravity
C)
Pumping
D)
Consumer
Option D is correct: Consumer.
Departmental (other) • 2025 • Paper-II
Oxy-fuel cutting is the popular method for cutting-
A)
Wood
B)
Plastic
C)
Thick Steel Plate
D)
Woodened Thick Plate
Option C is correct: Thick Steel Plate.
Departmental (other) • 2025 • Paper-II
What is pump? Describe the different types of pump.
Departmental (other) • 2025 • Paper-II
Define friction and describe the factors effecting frictions.
Departmental (other) • 2025 • Paper-II
The geometric increase method is useful for forecasting population in-
A)
Rapidly developing areas
B)
Warm areas
C)
Declining population areas
D)
Constant population area
Option A is correct: Rapidly developing areas.
Departmental (other) • 2025 • Paper-II
Describe the procedures for operation and maintenance of electric motor.
Departmental (other) • 2025 • Paper-II
Pump and equipment in pump house are typically laid out to maximise efficiency and-
A)
Accessibility and safety
B)
Minimise area
C)
Maximise project area
D)
Maximise accidents
Option A is correct: Accessibility and safety.
Departmental (other) • 2025 • Paper-II
Operation and maintenance of DG set includes replacement of lubricating oil and filter every-
A)
600 hours of operation
B)
50 hours of operation
C)
20 hours of operation
D)
10 hours of operation
Option A is correct: 600 hours of operation.
Departmental (other) • 2025 • Paper-II
Seal leak testing is used to asses the integrity of the seals that prevent pumps-
A)
Weight
B)
Leakage
C)
Thermal
D)
Vibration
Option B is correct: Leakage.
