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Past Questions — 2025

Departmental (other) • 2025 • Paper-I

The main function of Current Transformer is:

A) reduce high voltage to measurable value.
B) increase low voltage to measurable value.
C) reduce high current to measurable value.
D) increase low current to measurable value.
Option C is correct: reduce high current to measurable value..
Departmental (other) • 2025 • Paper-I

A contractor licensed under regulation 29 of the Central Electricity Authority (Measures relating to Safety and Electric Supply) Regulations, 2010.

A) Distribution licensee
B) Turnkey contractor
C) DISCOM
D) Licensed Electrical Contractor
Option D is correct: Licensed Electrical Contractor.
Departmental (other) • 2025 • Paper-I

An Outage of State Generating Station (SGS) or any of Power Station Equipment, generally due to sudden failure of one or more parts of equipment at a generating station, of which no notice can be given by the Generator to STU and also include outage of transmission line and any substation equipment of which no notice can be given by STU is known as:

A) Generator outage
B) Main fail
C) Forced outage
D) Schedule outage
Option C is correct: Forced outage.
Departmental (other) • 2025 • Paper-I

A charge levied on the consumer based on the quantity of electricity (units in kWh or kVAh as per tariff) supplied as described by JERC Electricity Supply Code regulation is:

A) Energy charge
B) Fixed Charge
C) Tariff Charge
D) Electricity Bill
Option A is correct: Energy charge.
Departmental (other) • 2025 • Paper-I

The permissible limit of voltage in High Tension as per JERC Electricity Supply Code is:

A) Plus or minus 6%
B) Plus or minus 9%
C) Plus or minus 10%
D) Plus or minus 5%
Option A is correct: Plus or minus 6%.
Departmental (other) • 2025 • Paper-I

What is the name of Call Center function in P&E Department which has been under the supervision of SLDC?

A) Consumer/Customer Call Center
B) Public Call Center
C) Complain Center
D) Controlling Station.
Option A is correct: Consumer/Customer Call Center.
Departmental (other) • 2025 • Paper-I

The name of a licensee authorised to operate and maintain a distribution system for supplying electricity to the consumers in his area of as defined by Electricity Act 2003 is:

A) Trader
B) Company
C) Distribution Licensee
D) Electricity Trader
Option C is correct: Distribution Licensee.
Departmental (other) • 2025 • Paper-I

The purpose of CRC Spray in electrical terminal is:

A) for cooling purpose
B) strengthening insulation resistance
C) to prevent corrosion
D) for lubrication
Option C is correct: to prevent corrosion.
Departmental (other) • 2025 • Paper-I

The condition of a generating station which is loaded but is not running at its declared availability is called as:

A) Off Peak load
B) Peak load
C) Partial load
D) Part Load
Option D is correct: Part Load.
Departmental (other) • 2025 • Paper-I

JERC Supply Code declared that the area with population more than 1 lakhs city as defined in the latest Census of India is:

A) Class -II City
B) Class -I Town
C) Class-I City
D) Class-II Town.
Option C is correct: Class-I City.
Departmental (other) • 2025 • Paper-I

The Works executed by P&E Department outside the normal budget/provision, the cost of which is borne by party/intending consumer, out of his own resource, which will benefit the specific consumer or party other than public in general is described as:

A) Deposit Work
B) Outside work
C) Private Work
D) Non-Governmental Work
Option A is correct: Deposit Work.
Departmental (other) • 2025 • Paper-I

In a Guaranteed Standard, Power Restore time in the case of normal fuse-off calls, fuses at the distribution transformer or at the consumer premises from receiving the complaint in Class-I Cities is:

A) One day
B) 6 Hours
C) 4 Hours
D) 10 hours
Option C is correct: 4 Hours.
Departmental (other) • 2025 • Paper-I

Any system for transmission of electricity other than an inter-State transmission system as per Electricity Act 2003 is called:

A) State Transmission system
B) Intra State Transmission system
C) Transmission system
D) Local Transmission system
Option B is correct: Intra State Transmission system.
Departmental (other) • 2025 • Paper-I

Which one of the following work is not included in annual operation and maintenance of Deposited Works as per General condition for execution and maintenance of Deposit works?

A) Annual painting
B) Replacement of Transformer
C) Jungle cutting
D) Topping up of Transformer oil
Option B is correct: Replacement of Transformer.
Departmental (other) • 2025 • Paper-I

The main purpose of safety belt during working at power line is:

A) Safety for the worker
B) Protection of Transformers
C) Protection of equipment
D) Diversion of surge current
Option A is correct: Safety for the worker.
Departmental (other) • 2025 • Paper-I

The Regional Load Despatch Center who Control Mizoram is:

A) MSLDC
B) NERLDC
C) ASLDC
D) ERLDC
Option B is correct: NERLDC.
Departmental (other) • 2025 • Paper-I

What is the interval of periodical inspection and testing to be carried out by the electrical Inspectorate or by the Department if the party/consumer carry out annual Operation and maintenance by himself?

A) Annually
B) Not exceed two years
C) Not exceed Three years
D) Not exceed Five years
Option B is correct: Not exceed two years.
Departmental (other) • 2025 • Paper-I

As described in The Electricity Act 2003, any company or body corporate or association or body of individuals, whether incorporated or not, or artificial juridical person, which owns or operates or maintains a generating station is called:

A) Generating Company
B) DISCOM
C) Power Corporation
D) SLDC
Option A is correct: Generating Company.
Departmental (other) • 2025 • Paper-I

Identification and codification of each consumer in the electrical network with a unique code relating it to the network assets; so that with the help of that unique code it should be possible to identify the consumer, pole, distribution transformer, feeder and substation feeding the consumer as described in JERC Standard of performance for Distribution and Transmission Licensee Regulation is known as:

A) Consumer Indexing
B) Smart meter indexing
C) Identification of consumer
D) Time of day Tariff
Option A is correct: Consumer Indexing.
Departmental (other) • 2025 • Paper-I

In an Overall Standard of performance, the percentage Licensee shall achieve the standards of performance in release of new connection is:

A) 93%
B) 99%
C) 95%
D) 90%
Option C is correct: 95%.
Departmental (other) • 2025 • Paper-I

How many hours in advance notice should be given to the public, as per the JERC Standards of Performance for Distribution and Transmission Licensees, for informing the public about scheduled outages (other than load-shedding) lasting more than one hour through newspapers or local TV networks?

A) 12 Hours
B) 32 hours
C) 48 hours
D) 24 Hours
Option C is correct: 48 hours.
Departmental (other) • 2025 • Engineering Paper-II

What is ‘index properties of soil’? List the properties under different categories.

Departmental (other) • 2025 • Engineering Paper-II

A deposit of fine sand has porosity of 45%. Estimate the hydraulic gradient to develop quicksand condition if the specific gravity of grain is 2.7.

Departmental (other) • 2025 • Engineering Paper-II

Explain the mechanism of landslides.

Departmental (other) • 2025 • Engineering Paper-II

How does run-off occur?

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