# CPCL Junior Engineering Assistant (JEA) - Electrical 2026 Practice Set 1

> Free CPCL Junior Engineering Assistant (JEA) - Electrical 2026 Practice Set 1 online test: 120 questions, instant score, answers and explanations.

Source: https://careerdecode.in/mock-tests/cpcl-junior-engineering-assistant-jea-electrical-2026/practice-set-1/

- Exam: [CPCL Junior Engineering Assistant (JEA) - Electrical 2026](https://careerdecode.in/mock-tests/cpcl-junior-engineering-assistant-jea-electrical-2026/)
- Type: Subject test
- Questions: 120 in 20 subjects
- Price: free. No sign-up, no ads, no time limit. One attempt per browser.
- Marking: Each correct answer gives 1 mark. Each wrong answer takes away 0.25.

## What this test covers

- Verbal Ability (12 questions): Grammar and Usage, Vocabulary, Sentence Correction, Reading Comprehension
- General Knowledge (12 questions): Indian Polity, History, Geography, Economy, General Science, Petroleum Industry
- Reasoning (13 questions): Series, Analogy, Coding-Decoding, Classification, Blood Relations, Direction Sense, Syllogism, Ranking and Order, Logical Puzzles
- Numerical Ability (13 questions): Percentage, Ratio and Proportion, Average, Profit and Loss, Time and Work, Speed and Distance, Interest, Number System, Algebra, Data Interpretation
- Electrical Circuit Theory (7 questions): Electrostatics / D C Circuits, Circuit Theorems, Single Phase Circuits, Resonant Circuits, Three phase Circuits
- Electrical Machines I (7 questions): D C Generators, D C Motors, Single Phase Transformers, Three Phase Transformers, Storage Batteries
- Electronic Devices and Circuits (4 questions): Semiconductor and Diodes, Transistor oscillators and FET and UJT, SCR, DIAC, TRIAC and MOSFET
- Electrical Machines II (7 questions): Alternator principles and construction, Alternator performance and testing, Three phase induction motor, Single phase induction motor / Synchronous motor, Special AC machines / Special DC machines
- Measurements and Instruments (5 questions): Classification and Characteristics of Instruments, Measurement of current Voltage and Resistance, Measurement of Power and Energy, Measurement of Power factor Frequency and Phase difference, Measurement of L,C and waveforms
- Digital Electronics (3 questions): Combinational Logic, Memory Devices, Microprocessor 8085
- Transducers and Signal Conditioners (3 questions): Classification and Sensing elements, Passive Transducers, Active Transducers
- Generation, Transmission and Switchgear (6 questions): Generation Of Electrical Power, A.C. And H.V.D.C Transmission, Line Insulators And Underground Cables, Circuit Breakers And Over Voltage Protection, Protective Relays And Grounding
- Microcontroller (3 questions): Architecture and Instruction set of 8051, Programming Examples, Interrupt and Serial Communication
- Electrical Estimation and Energy Auditing (4 questions): Systems Of Internal Wiring And Earthing, Domestic and Industrial Estimate, Energy Management and Audit, Diesel Generating System and Energy Efficient Technologies
- Control of Electrical Machines (3 questions): Control circuit components, Programmable Logic Controller, PLC Programming
- Programmable Logic Controller (3 questions): Introduction PLC, Input and Output Modules
- Electrical Machine Design (2 questions): Basic Consideration, Design of dc machines
- Distribution and Utilization (4 questions): Distribution, Electric Traction, Illumination
- Operation and Maintenance of Electrical Equipment (4 questions): Earthing, Safe Working, Building Installations, Operation and Maintenance Of Transformer, Generators, Sub-Stations And Circuit Breakers
- Power Electronics (5 questions): Overview Of Power Electronics, Forced Commutated Power Control Circuits, Applications Of Power Electronics, Motor Drive Applications

The questions are shown in the test player on the web page. After submitting, the visitor sees the score, the right answer with an explanation for every question, and the weak topics.

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