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Past Questions

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.
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 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

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

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

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

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

What is the preferable distance between two DT Sub-Station pole as per SOR 2025?

A) 2 meter
B) 2.44 meters
C) 3 meter
D) 1.5 meters
Option B is correct: 2.44 meters.
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

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

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

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

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

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

Which one of the following conductors is not Steel Re-enforce?

A) Panther Conductor
B) Gnat Conductor
C) Weasel Conductor
D) Racoon Conductor
Option D is correct: Racoon Conductor.
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

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

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

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 • 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 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

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

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

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.
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