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100+ Free Punjab PSEB Sr. Sec. NSQF Power (Distribution Lineman) Practice Questions

Punjab School Education Board (PSEB) Senior Secondary Class 12 NSQF Power (Code 218) — Job Role: Distribution Lineman practice questions are available now; exam metadata is being verified.

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2026 Statistics

Key Facts: Punjab PSEB Sr. Sec. NSQF Power (Distribution Lineman) Exam

Code 218

PSEB Senior Secondary NSQF Power trade code

PSEB NSQF / Scheme of Studies Class XII job-role listing

40 + 50 + 10

Theory + Practical + INA marks

PSEB Scheme of Studies style Senior Secondary NSQF pattern (Power 218)

33%

Minimum separately in Theory, Practical, INA and in aggregate

PSEB Scheme of Studies Class XII pass rule

Distribution Lineman

Official Class 12 job role title for trade 218

PSEB NSQF Power syllabus / scheme job-role listing

School-level evaluation

NSQF subjects evaluated at school; Board prepares theory papers

PSEB Scheme of Studies notes

English MCQ adaptation

This free local bank is not the official mixed theory+practical format or a trade licence

OpenExamPrep practice policy

PSEB Class 12 NSQF Power (code 218, Distribution Lineman) is Theory 40 + Practical 50 + INA 10 = 100 with school-level evaluation of Board-set theory papers. Pass is 33% separately in each component and in aggregate. This free 2026 bank is an English MCQ study adaptation — not an official practical, paper simulation, or trade licence, and not the Matric Consumer Energy Meter bank.

Sample Punjab PSEB Sr. Sec. NSQF Power (Distribution Lineman) Practice Questions

Try these sample questions to test your Punjab PSEB Sr. Sec. NSQF Power (Distribution Lineman) exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In a typical electric power system, the distribution stage is the part that:
A.Delivers electrical energy from substations to consumers at medium and low voltage
B.Generates electricity at the power plant only
C.Transfers bulk power over long distances at extra-high voltage only
D.Stores energy in pumped hydro reservoirs only
Explanation: Distribution is the final stage of the power system: energy leaves primary/secondary substations and is delivered to consumers on HT (medium-voltage) feeders and LT networks.
2On Indian distribution systems, low-tension (LT) supply to most domestic consumers is commonly about:
A.11 kV three-phase only
B.230 V single-phase / 400 V three-phase
C.66 kV only
D.220 kV only
Explanation: Low-tension consumer supply in India is typically about 230 V single-phase and 400 V three-phase (phase-to-phase), obtained after step-down by distribution transformers from HT feeders.
3A radial distribution feeder is best described as a feeder that:
A.Always has two independent sources feeding every consumer simultaneously
B.Exists only as underground cable and never overhead
C.Supplies consumers from a single path with power flowing outward from the source
D.Is used only for railway traction
Explanation: In a radial system, feeders branch outward from one source; each section is normally fed from a single path. This layout is simple but less reliable than ring or networked schemes if a fault isolates a branch.
4In Indian practice, a common primary distribution (HT) voltage for urban and rural feeders is:
A.230 V only
B.400 kV only
C.12 V DC only
D.11 kV
Explanation: 11 kV is a widely used primary distribution voltage in India for feeders that supply distribution transformers; lower voltages serve consumers after step-down.
5Compared with a pure radial feeder, a ring main distribution arrangement mainly improves:
A.Ability to restore supply from an alternate path after a section fault
B.Generator fuel efficiency only
C.Transformer oil acidity only
D.The need for earthing rods to zero only
Explanation: A ring main can feed sections from either direction, so operators can isolate a faulty section and often restore remaining consumers from the alternate path, improving reliability over pure radial feed.
6Three resistors of 6 Ω, 6 Ω, and 6 Ω are connected in parallel across a 12 V source. The total current drawn from the source is approximately:
A.0.5 A
B.6 A
C.2 A
D.12 A
Explanation: For three equal 6 Ω resistors in parallel, 1/R = 1/6 + 1/6 + 1/6 = 1/2, so R = 2 Ω. I = V/R = 12/2 = 6 A.
7A single-phase load draws 10 A at 230 V. The apparent power is approximately:
A.23 W
B.230 W
C.2.3 kVA
D.23 kVA
Explanation: Apparent power S = V × I = 230 × 10 = 2300 VA = 2.3 kVA. For single-phase circuits this product is the apparent power regardless of power factor.
8In a three-phase four-wire LT distribution system, the neutral conductor is primarily intended to:
A.Carry only lightning surge current and nothing else
B.Replace the need for any earthing electrode permanently
C.Carry only DC current from solar panels
D.Provide a return path for unbalanced phase currents and a reference for single-phase loads
Explanation: The neutral provides the return for single-phase loads connected phase-to-neutral and carries residual current when phases are unbalanced. Protective earthing is a separate safety function.
9Diversity factor on a distribution feeder is greater than 1 when:
A.The sum of individual maximum demands exceeds the maximum demand of the group as a whole
B.All consumers always draw full connected load at the same instant
C.Line resistance becomes zero
D.Voltage collapses to zero
Explanation: Diversity factor = (sum of individual maximum demands) / (maximum demand of the group). Because peaks do not all coincide, the group peak is smaller than the sum, so diversity factor is greater than 1.
10Voltage drop along a long LT distributor increases mainly when:
A.Conductor cross-section is made much larger with no other change
B.Load current and conductor resistance (or length) increase
C.All loads are disconnected
D.Only the earthing rod is shortened slightly
Explanation: Approximate voltage drop is proportional to current and to resistance of the path. Longer lines or higher load current increase drop; larger conductor size reduces resistance and therefore drop.

About the Punjab PSEB Sr. Sec. NSQF Power (Distribution Lineman) Practice Questions

Verified exam format metadata for Punjab School Education Board (PSEB) Senior Secondary Class 12 NSQF Power (Code 218) — Job Role: Distribution Lineman is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.