Sewa Electrical Engineer Exam Questions Pdf Portable Official
Before diving into questions, understand what SEWA tests.
| Parameter | Details | |-----------|---------| | Exam Name | SEWA Electrical Engineer (Junior/Assistant Engineer) | | Total Questions | 100 (Objective Type) | | Duration | 120 minutes | | Negative Marking | 0.25 per wrong answer (often) | | Key Topics | Electrical Engg, Power Systems, Switchgear, Estimation, Safety, Basic Electronics |
| Topic | Approx. Qs | |-------|------------| | Power Systems (Gen, Transmission, Distribution) | 20–25 | | Electrical Machines | 15–20 | | Switchgear & Protection | 10–15 | | Estimation & Costing | 10–12 | | Basic Electrical Engg | 10 | | Electronics & Measurements | 8–10 | | Safety, IE Rules, Earthing | 8–10 | | General Aptitude (if included) | 10 |
Q: A SEWA rooftop solar PV system has 20 panels each rated 400 Wp, with inverter efficiency 96% and soiling loss 3%. The daily AC energy output (kWh) for 5 peak sun hours is:
a) 32.4 kWh
b) 35.8 kWh
c) 37.2 kWh
d) 40.0 kWh
If you are searching for this resource, broaden your scope to ensure better results. Instead of searching only for "SEWA," try searching for:
Final Rating: 4/5 Stars for intent and utility, provided the user can locate a high-quality, relevant PDF. It is an essential step for serious preparation.
Ready to create a quiz? Use Canvas to test your knowledge with a custom quiz Get started
The Sharjah Electricity, Water and Gas Authority (SEWA) registration exam for electrical engineers is a critical step for professionals seeking to work as Senior Engineers, Assistant Engineers, or Supervisors in Sharjah. The exam typically follows a specific format focused on Sharjah-specific electrical regulations and design principles. SEWA Electrical Engineer Exam Overview
Format: The updated exam format generally consists of a 100-mark paper divided into two main sections: Multiple Choice Questions (MCQs): Typically worth 60 marks.
Design/Practical Questions: Typically worth 40 marks, often involving wiring diagrams or single-line diagrams (SLDs).
Passing Criteria: A score of 70% is often required to qualify.
Key Focus: The exam heavily emphasizes the SEWA Electrical Installation Regulations and Sharjah-specific wiring standards. Sample Exam Questions
These questions are derived from SEWA-specific study materials and regulatory guidelines. Section 1: General Regulations & Standards sewa electrical engineer exam questions pdf portable
What is the nominal 3-phase and single-phase supply voltage from SEWA?
Answer: 415V (3-phase) and 240V (single-phase) with a tolerance of
What is the maximum number of 13A socket outlets allowed on a ring final circuit?
Answer: 10 sockets (generally restricted to a specific floor area like 100m2100 m squared
What is the minimum depth for laying cables underground in a sleeve pipe? Answer: 600mm.
Which circuit category is reserved for fire alarms and emergency lighting? Answer: Category 3 circuits. Section 2: Protection & Earthing What is the purpose of an Automatic Transfer Switch (ATS)?
Answer: To automatically transfer the load from a primary power source to a backup source (like a generator) during power failure.
Which earthing system uses separate conductors for neutral and protective functions? Answer: TNS system (offers better EMC properties).
What is the maximum allowable earth resistance for a main earth electrode in SEWA installations? Answer: 1.0 Ohm. Section 3: Calculations & Design What is the power dissipated by a resistor drawing a current of 3A? Answer: 18 Watts (
A 1/4th Coulomb of charge passes a point in 25 seconds. What is the current? Answer: 0.01A ( Key Study Topics Candidates should focus on these high-priority areas:
SEWA Wiring Regulations: Understanding the Official SEWA Connection Rules is mandatory.
Testing Before Energizing: Knowledge of continuity, insulation resistance, polarity, and earth electrode resistance tests. Before diving into questions, understand what SEWA tests
Motor Protection: Methods such as over-current relays, motor protection relays, and transformer-based protection.
Design Documentation: Ability to prepare single-line diagrams (SLDs) and load distribution schedules for SEWA approval. Preparation Resources (PDF Guides) Several reputable platforms provide portable study guides:
Question Banks: Comprehensive banks covering earthing, starters, and surge arresters are available on Scribd SEWA Question Bank.
Assistant Engineer Guides: A 15-page guide specific to the Assistant Engineer level can be found at Scribd Assistant Engineer Guide Regulatory Documents: The New SEWA Regulation Book 2017
serves as the primary technical reference for all exam questions. SEWA Electrical Engineer Exam Question Bank | PDF - Scribd
Ready to create a quiz? Use Canvas to test your knowledge with a custom quiz Get started Sharjah Electricity, Water and Gas Authority (SEWA)
Electrical Engineer examination, candidates are primarily tested on local wiring regulations, protection systems, and standard installation practices. Core SEWA Exam Topics According to the SEWA Exam Guide , the following areas are essential: Supply Parameters : Standard nominal voltages in Sharjah are 415V for 3-phase 230V for single-phase (±10% tolerance). Testing Procedures : Critical pre-energizing tests include Continuity of Protective Conductors Insulation Resistance Protection Devices : Standards for
operating currents and motor protection methods (e.g., using Over Current Relays for bearing failure). Installation Standards
: Minimum depth for underground cables and standard sizing for XLPE/SWA/PVC/CU Sample Exam Questions
What is the maximum number of 13A sockets allowed on a ring circuit? Reference: SEWA Assistant Engineer Guide
Define the permitted tolerance for the 415/230V supply from SEWA.
What type of motor protection relay is used to prevent motor winding failure? Current Transformer. | Topic | Approx
At what operating current should an ELCB/RCCB be set for consumer installations? Reference: SEWA Wiring Regulations Downloadable Study Resources (PDF)
You can find comprehensive question banks and regulatory documents via the following platforms: Scribd - SEWA Electrical Engineer Question Bank
: Contains a repository of abbreviations, testing procedures, and protection methods. Scribd - SEWA Assistant Engineer Guide
: A 15-page document detailing specific wiring regulations and supply formats. Academia.edu - SEWA Regulations for Electrical Connection : Official rules for design and material standards. SlideShare - Sharjah Electrical Regulations
: Visual presentation on load calculations and installation. required for SEWA submissions? SEWA Electrical Engineer Exam Question Bank | PDF - Scribd
Q3. A 3-phase induction motor runs at 960 RPM at full load. If the supply frequency is 50 Hz, the number of poles of the motor is:
A) 4
B) 6
C) 8
D) 10
✅ Answer: B
(Ns = 120f/P → 1000 = 120×50/P → P=6; slip adjusted)
Q4. In a synchronous motor, under no load condition, the armature current drawn is:
A) Zero
B) Small and lagging
C) Small and leading
D) Large and lagging
✅ Answer: C (under-excited – leading power factor)
Q10. The minimum clearance between the lowest conductor and ground for a 33 kV line as per IE Rules is:
A) 5.2 meters
B) 6.1 meters
C) 7.6 meters
D) 8.8 meters
✅ Answer: B (approx. 6.1 m for 33 kV)
The inclusion of the word "portable" in the search query is slightly redundant but indicates the user's intent.
