Departmental (other) • 2026 • Engineering Paper-I (Civil Wing)
The minimum limit of longitudinal bars cross sectional area in column as per code is:
A)
1.0 % of gross area of column
B)
0.12 % of gross area of column
C)
0.13% of gross area of column
D)
0.8% of gross area of column
Option D is correct: 0.8% of gross area of column.
Departmental (other) • 2026 • Engineering Paper-I (Civil Wing)
Curing is of particular importance in situation where:
A)
The water-Cement ratio is high
B)
The water-Cement ratio is low
C)
Temperature of surrounding environment is low
D)
There is high humidity
Option B is correct: The water-Cement ratio is low.
Departmental (other) • 2026 • Engineering Paper-I (Civil Wing)
Unit of stress in SI units is expressed in:
A)
Kg/cm2
B)
Dimensionless
C)
T/m2
D)
N/m2 (Pascal)
Option D is correct: N/m2 (Pascal).
Departmental (other) • 2026 • Engineering Paper-I (Civil Wing)
The unit of strain is:
A)
N/m2 (Pascal)
B)
Dimensionless
C)
Kg/cm2
D)
mm
Option B is correct: Dimensionless.
Departmental (other) • 2026 • Engineering Paper-I (Civil Wing)
The residual chlorine that should remain in water so that it remain safe against pathogenic bacteria is:
A)
0.02 to 0.05 p.p.m
B)
0.2 to 0.5 p.p.m
C)
0.05 to 0.2 p.p.m
D)
0.01 to 0.05p.p.m
Option B is correct: 0.2 to 0.5 p.p.m.
Departmental (other) • 2026 • Engineering Paper-I (Civil Wing)
Which has the highest Coefficient of steel for estimation, Beam, Column, slab or footing?
A)
Slab
B)
Column
C)
Beam
D)
Footing
Option B is correct: Column.
Departmental (other) • 2026 • Engineering Paper-I (Civil Wing)
What is the number of bricks taken in analysis of cost for 1sqm half brick wall?
A)
49.5 nos
B)
52 nos
C)
52.5 nos
D)
56.5nos
Option C is correct: 52.5 nos.
Departmental (other) • 2026 • Paper-II
What is the ideal/acceptable value of earth resistance for a standard electrical installation?
A)
50 Ohms
B)
25 Ohms
C)
1 Ohm
D)
100 Ohms
Option C is correct: 1 Ohm.
Departmental (other) • 2026 • Paper-II
What is the most important factor in selecting a site for a power substation?
A)
Proximity to the load center
B)
Distance from the generating station
C)
Proximity to residential areas
D)
Availability of drinking water
Option A is correct: Proximity to the load center.
Departmental (other) • 2026 • Paper-II
Which statement about power factor is INCORRECT?
A)
A power factor of 1is ideal, it means all power drawn from the mains is used by the load.
B)
A low power factor increases the current in the system, leading to higher line losses.
C)
A low power factor improves the voltage regulation of the transmission line.
D)
Power factor is defined as the ratio of real power to apparent power
Option C is correct: A low power factor improves the voltage regulation of the transmission line..
Departmental (other) • 2026 • Paper-II
In an LT bare conductor overhead line, which type of insulator is typically used at dead-ends and corner poles?
A)
Pin insulator
B)
Strain (or Shackle) insulator
C)
Suspension insulator
D)
Post insulator
Option B is correct: Strain (or Shackle) insulator.
Departmental (other) • 2026 • Paper-II
Why are guard wires or anti-climbing devices installed on 132kV transmission towers?
A)
To increase the mechanical strength of the tower
B)
To protect lines from birds
C)
To deter unauthorized individuals from climbing the tower
D)
To reduce corona loss
Option C is correct: To deter unauthorized individuals from climbing the tower.
Departmental (other) • 2026 • Paper-II
How is an Ammeter typically connected in an electrical panel for measuring heavy substation currents?
A)
Directly in series with the main HT line
B)
In parallel with the main load
C)
In series with the secondary of a Current Transformer (CT)
D)
Connected across a potential divider
Option C is correct: In series with the secondary of a Current Transformer (CT).
Departmental (other) • 2026 • Paper-II
A lightning arrester is always connected:
A)
In series with the line
B)
Between the line and earth
C)
Between the transformer and load
D)
In parallel with the circuit breaker
Option B is correct: Between the line and earth.
Departmental (other) • 2026 • Paper-II
Which device is specifically used to protect transformers from high-voltage surges caused by lightning?
A)
Lightning arrester / Surge arrester
B)
Circuit Breaker
C)
Isolator
D)
Current Transformer
Option A is correct: Lightning arrester / Surge arrester.
Departmental (other) • 2026 • Paper-II
Which of the following loads has the poorest power factor?
A)
Transformer
B)
Induction motor
C)
Electric fan
D)
Induction furnace
Option D is correct: Induction furnace.
Departmental (other) • 2026 • Paper-II
Battery charging rooms must be well-ventilated primarily because the charging process produces which potentially explosive gas?
A)
Carbon dioxide
B)
Hydrogen
C)
Oxygen
D)
Nitrogen
Option B is correct: Hydrogen.
Departmental (other) • 2026 • Paper-II
Inductive reactance is measured in ohms because it:
A)
reduces the amplitude of the alternating current
B)
increases the amplitude of alternating current
C)
increases the amplitude of direct current
D)
has a back e.m.f opposing a steady direct current
Option A is correct: reduces the amplitude of the alternating current.
Departmental (other) • 2026 • Paper-II
What is a common cause of corrosion on battery terminals and clamps?
A)
Spilled electrolyte
B)
Applying grease to terminals
C)
Low voltage during charging
D)
Not using distilled water
Option A is correct: Spilled electrolyte.
Departmental (other) • 2026 • Paper-II
What is the minimum current a human can feel electric shock?
A)
1 mA
B)
1 A
C)
5 mA
D)
10 A
Option A is correct: 1 mA.
Departmental (other) • 2026 • Paper-II
What electrical quantity is measured by integrating power with respect to time, typically displayed on panel Energy Meters?
A)
Apparent Power (kVAh)
B)
Peak Demand (kVA)
C)
Active/Reactive Energy (kWh / kVARh)
D)
Instantaneous Power (kW)
Option C is correct: Active/Reactive Energy (kWh / kVARh).
Departmental (other) • 2026 • Paper-II
What should be used to top up the electrolyte in a lead-acid battery?
A)
Tap water
B)
Distilled water
C)
Saltwater
D)
Battery acid
Option B is correct: Distilled water.
Departmental (other) • 2026 • Paper-II
“Maximum power output is obtained from a network when the load resistance is equal to the output resistance of the network as seen from the terminals of the load”. The above statement is associated with:
A)
Millman’s theorem
B)
Thevenin’s theorem
C)
Superposition theorem
D)
Maximum power transfer theorem
Option D is correct: Maximum power transfer theorem.
Departmental (other) • 2026 • Paper-II
What is the primary purpose of a power substation?
A)
To generate electrical energy
B)
To convert AC to DC power
C)
To change voltage levels and switch electrical circuits
D)
To reduce current to zero
Option C is correct: To change voltage levels and switch electrical circuits.
Departmental (other) • 2026 • Paper-II
The kilowatt-hour (kWh) is the standard unit for measuring:
A)
Power
B)
Energy
C)
Voltage
D)
Current
Option B is correct: Energy.
