Departmental (other) • 2025 • Paper-I
A shutdown of a part of the system resulting in failure of power supply, either from external connections or from the healthy part of the system.
A)
Partial Shutdown
B)
Direct Shutdown
C)
Emergency shutdown
D)
Half Shutdown
Option A is correct: Partial Shutdown.
Departmental (other) • 2025 • Paper-I
Overall length of Galvanised Steel Tabular pole SP-33 in SOR 2025 is:
A)
9 meters
B)
9.5 meters
C)
9.25 meters
D)
7.5 meters
Option A is correct: 9 meters.
Departmental (other) • 2025 • Paper-I
The formula used for calculation of load factor is:
A)
Load Factor = Unit Consumed in a given period / (Maximum demand x No. of hour in a period)
B)
Load Factor = Load given to consumer / (Maximum demand x No. of hour in a period)
C)
Load Factor = Unit Consumed in a given period / (Contracted load of consumer x No. of hour in a period)
D)
Load Factor = Maximum load in a given period / (Maximum demand x No. of hour in a period)
Option A is correct: Load Factor = Unit Consumed in a given period / (Maximum demand x No. of hour in a period).
Departmental (other) • 2025 • Paper-I
The procedure necessary to recover from a partial or a total blackout of Grid Power system is called:
A)
Starting procedure
B)
Black Starter procedure
C)
Standard of operation
D)
Grid start procedure
Option D is correct: Grid start procedure.
Departmental (other) • 2025 • Paper-I
The minimum operating safety distance for live line of 240V/440V as per safety manual issued by P&E Department is:
A)
Two feet
B)
Five feet
C)
Three Feet
D)
Four Feet
Option C is correct: Three Feet.
Departmental (other) • 2025 • Paper-I
That period in a day when the electrical power demand is lowest as described by JERC Grid Code is:
A)
Scheduled Period
B)
Isolation period
C)
Lean Period
D)
Off Peak period
Option D is correct: Off Peak period.
Departmental (other) • 2025 • Paper-I
What is the tensile strength of Polymer Disc insulator normally used in 132kV line at Mizoram?
A)
45KN
B)
95KN
C)
70KN
D)
120KN
Option C is correct: 70KN.
Departmental (other) • 2025 • Paper-I
What is the standard ruling span for LT ABC line to be adopted for preparation of DPR in case actual survey is not carry out as per SOR 2025?
A)
35 meters
B)
30 meters
C)
25 meters
D)
20 meters
Option B is correct: 30 meters.
Departmental (other) • 2025 • Paper-I
As per General Condition of execution and maintenance of Deposit Work, the right of way for construction of power line should be provided by:
A)
P&E Department
B)
Local/Village Council
C)
Interested party
D)
Concerned SDO
Option C is correct: Interested party.
Departmental (other) • 2025 • Paper-I
The higher contracted load permissible as per JERC Supply code for Single Phase LT Domestic Consumer is:
A)
8 kW
B)
6 kW
C)
10 kW
D)
4 kW
Option A is correct: 8 kW.
Departmental (other) • 2025 • Paper-I
The response time for the consumer call within a Guarantee Standard of performance for distribution is:
A)
20 minutes
B)
5 minutes
C)
10 minutes
D)
15 minutes
Option B is correct: 5 minutes.
Departmental (other) • 2025 • Paper-I
What is the latest name of Electricity Regulatory commission for the State of Mizoram?
A)
Mizoram State Electricity Regulatory Commission
B)
Mizoram Electricity Regulatory Commission
C)
Joint Electricity Regulatory Commission
D)
Electricity Regulatory Commission for Mizoram
Option C is correct: Joint Electricity Regulatory Commission.
Departmental (other) • 2025 • Paper-I
In case of overhead line/cable breakdowns, licensee shall ensure restoration of power supply within 24 hours of occurrence of breakdown in the following area:
A)
Class – I City
B)
Rural area
C)
Urban area
D)
Town area
Option A is correct: Class – I City.
Departmental (other) • 2025 • Paper-I
All Aluminium Alloy Conductor (AAAC) are normally used in:
A)
33kV line
B)
Low Tension (L.T) line
C)
11kV line
D)
High Voltage Transmission line
Option D is correct: High Voltage Transmission line.
Departmental (other) • 2025 • Paper-I
What is the full form of ABT mentioned in JERC Grid Code Regulation 2010?
A)
Availability based Tariff
B)
Average based Tariff
C)
Active Based Transmission
D)
Access Bid Terminal
Option A is correct: Availability based Tariff.
Departmental (other) • 2025 • Paper-I
The electricity drawn by a buyer in a time block, measured by the interface meters; as described in CEA (Deviation Settlement Mechanism and Related Matters) Regulations, 2014 is known as:
A)
Interface meter drawal
B)
Real drawal
C)
Block drawal
D)
Actual drawal
Option D is correct: Actual drawal.
Departmental (other) • 2025 • Paper-I
The amount chargeable for the billing cycle/billing period based upon sanctioned load/contracted load in kW.
A)
Variable Charges
B)
Fixed Charges
C)
Billing charge
D)
Load security
Option B is correct: Fixed Charges.
Departmental (other) • 2025 • Paper-I
In a Guaranteed Standard, the Licensee shall inspect and check the correctness of the meter in Rural Areas.
A)
Within One week
B)
Within 4 Days
C)
Within 10 Day
D)
Within 15 days
Option A is correct: Within One week.
Departmental (other) • 2025 • Paper-I
In an Overall Standard of performance, the percentage of distribution transformers replaced within the time limits should be:
A)
90%
B)
95%
C)
85%
D)
70%
Option B is correct: 95%.
Departmental (other) • 2025 • Paper-I
The minimum vertical clearance from building for High Voltage (up to 33kV) bare conductor is:
A)
3.5 meters
B)
3.0 meters
C)
3.75 meters
D)
3.7 meters
Option D is correct: 3.7 meters.
Departmental (other) • 2025 • Paper-I
A hydro generating station which does not have upstream pondage as per CEA (Deviation Settlement mechanism & related matters) Regulation 2024 is called:
A)
Run of river generating station
B)
Small Hydro Generating Station
C)
Micro Hydro Generating Station
D)
Medium Hydro Generating Station.
Option A is correct: Run of river generating station.
Departmental (other) • 2025 • Paper-I
The full form of SLDC:
A)
State Load Despatch Center
B)
Systematic Load Despatch Center
C)
State Load Distribution Center
D)
State Level Distribution Committee
Option A is correct: State Load Despatch Center.
Departmental (other) • 2025 • Paper-I
The Name of the instrument used for measuring Earth resistance of Earthing.
A)
Meggar
B)
Multi meter
C)
Earth Tester
D)
Synchronoscope
Option C is correct: Earth Tester.
Departmental (other) • 2025 • Paper-I
The minimum required breakdown voltage value for Transformer Oil at 2.5mm gap for 33kV and below as per Operation and maintenance guidelines for lines & Sub-Station is:
A)
40 kV
B)
60 kV
C)
30 kV
D)
50 kV
Option C is correct: 30 kV.
Departmental (other) • 2025 • Paper-I
What is the normal validity period of estimate from the date of approval for making necessary payment to the Department as per General condition for execution and maintenance of Deposit works?
A)
6 months
B)
12 months
C)
3 months
D)
9 months
Option B is correct: 12 months.
