Departmental (other) • 2025 • Paper-II
What is pump? Describe the different types of pump.
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
An iron having superior corrosion resistance due to zinc coating is called-
A)
Forged iron
B)
Galvanised Iron
C)
Tinning
D)
Cast Iron
Option B is correct: Galvanised Iron.
Departmental (other) • 2025 • Paper-II
Describe the process of Shielded Metal Arc Welding (SMAW) and it advantages for welding water pipes.
Departmental (other) • 2025 • Paper-II
What is water supply plan management? Describe the main features of water supply management plant.
Departmental (other) • 2025 • Paper-II
What is soldering? Describe the features of soldering process.
Departmental (other) • 2025 • Paper-II
NPSH testing determines the pump ability to handle suctions conditions and-
A)
Prevents cavitation
B)
Head
C)
Current
D)
Weight
Option A is correct: Prevents cavitation.
Departmental (other) • 2025 • Paper-II
Describe the uses of PERT and CPM in Operation Research.
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
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
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
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
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
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
Describe the key parameters for selection of pump.
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
Describe the key aspect for maintenance and operation of pumps.
Departmental (other) • 2025 • Paper-II
Machines that enlarge or refine existing holes in a material like wood, metal or concrete are called-
A)
Clipping Machine
B)
Boring machine
C)
Sewing machine
D)
Cutting machine
Option B is correct: Boring machine.
Departmental (other) • 2025 • Paper-II
In pump house, monitoring and controlling of pumps including start/stop functions, flow rate and alarms is done by using-
A)
Substation
B)
Control panel
C)
Transformer
D)
Isolator
Option B is correct: Control panel.
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.
Departmental (other) • 2025 • Paper-II
The total head is the total energy required to move the fluid including friction head loss in the pipe and-
A)
Static head
B)
Atmospheric pressure
C)
Temperature
D)
Thermal effect
Option A is correct: Static head.
Departmental (other) • 2025 • Paper-II
What is grinding machine? Describe its applications.