Electrician Power Distribution MCQ: Objective Question Answers

FIRST YEAR: The trainee learns about safety and environment, use of fire extinguishers, practices elementary first aid, rescue a person and artificial resuscitation. He gets the idea of trade tools & its standardization, identifies different types of conductors, cables & their skinning, jointing, soldering and crimping etc. Basic electrical laws like Kirchhoff’s law, ohm’s law, laws of resistances and their application in different combinations of electrical circuits are practiced along with laws of magnetism. The trainee practices on circuit for single phase and poly-phase circuits for 3 wire /4 wire balanced & unbalanced loads and working with analog and digital measuring instruments. The trainee work with different electronic components/ circuits and analyze waveforms in CRO.

The trainee learns about testing and maintenance of batteries and solar cell. Wiring practice with installation of different accessories like ICDP switch, distribution fuse box and mounting energy meters are practiced as per IE rules and its fault detection is done by trainee. Different types of light fitting are to be done like fluorescent tube, HP sodium vapour lamp, LEDs and their fixtures. He learns Practice reading of power and control schematic drawings of motors and starters. Operation, testing and maintenance of induction motors, alternators and synchronous motors are practiced. The trainee learns to perform auto tuning and operation of AC drives. Learns to repair and installation of inverter, stabilizer, battery charger and UPS.

SECOND YEAR: The trainee practices on control cabinet wiring and testing of control elements. Understands power generation, transmission and distribution network. He identifies various substation equipment viz., ., isolators, over current relays, earth fault relay, differential relay, REF relay, lightening arresters, Surge counter, wave trap, Reactor, Capacitor bank, Circuit breakers – ACB, SF-6 and VCB etc. Practices operation and maintenance of isolators, circuit breakers and other equipments used in distribution substations. Skill will be gained on transformer for operation, maintenance and functional tests viz., open circuit, short circuit, IR, PI, induced voltage, BDV of transformer oil, etc. He practices on LT/HT cable jointing, laying of cables, tests and fault finding of underground cables.

The trainee learns to install, test, repair and replace Current and Potential transformers used in distribution substations. The trainee practices for pipe, plate and meshearthing and carries out maintenance of earth system. Identifies various conductors, ACSR, AAC, ABC and cable insulation. Practices on joining of overhead line conductors, erection of poles, fitting of accessories and commissioning of distribution line. He learns to monitor meter readings, reading of MRI reports, generating electricity bills using SBM and maintaining log sheetsat substations. Practices isolation and switching procedure, lock out / tag out system, settings of relays, examine faults in control room and repair substation equipment and panels. The Trainee also learns and practices on fire-fighting equipment used in substations.