HPCL Assistant Maintenance Technician Syllabus 2023 (PDF) Junior Fire & Safety Inspector Exam Pattern Download

• Articles
• Preposition
• Synonyms
• Antonyms
• Spelling Correction

Quantitative Aptitude

• Algebra
• Averages
• Calendar
• Percentage
• Profit and Loss
• Simplification
• Time and Work
• Time, Speed and Distance

Analytical Reasoning

• Analogy
• Blood relations & Family Tree
• Coding decoding
• Direction sense test
• Odd man out
• Series – Numbers & Alphabets
• Rearrangement – Numbers & Alphabets

General Knowledge, General Science & Environment

• History of India
• Indian Geography
• Indian Economy and Culture
• World Geography
• Knowledge of current events
• Personalities in the news
• Relation between India and neighboring countries
• Sports in general and current happening in the field
• Common Abbreviations
• Environmental Science and Pollution

• Ohm’s Law, kirchhoff’s law, Series and parallel Resistances, Energy Stored in Inductor and capacitor, Units of basic electrical quantities
• The venin’s, Norton’s and Maximum power transfer Theorems
• Form factor, Peak factor, Power and Power factor, Apparent, active and reactive power, Relation between line voltage and phase voltage/ line current and Phase current of Star/ Delta connected circuits

Electrical Machines – I (DC machines and transformers)

• Construction and Principle of DC Generators, Lap & Wave Winding , EMF Equation, Compensation of Armature Reaction, Types of Motors, Armature Torque, Speed of DC Motors, Load Test, Swinburne’s Test, Application of DC Motors and DC Generators
• Battery Rating , Constant Current and Constant Voltage System – Trickle Charging – Maintenance of Lead Acid Cell, Nickel Iron and Edison Batteries
• Working Principle – Construction, EMF Equation, Voltage Transformation Ratio of transformer, Transformer Rating – Problems, OC and SC Test – Regulation, Condition for Max Efficiency – All Day Efficiency

Electronic Devices and Circuits

• PN junction diode, Zener diode, Half wave rectifier Full wave rectifier- Bridge rectifier, Ripple factor, Transistor biasing – Fixed bias, Collector base bias, Self bias – CB, CE, CC Configurations
• SCR , TRIAC, DIAC, MOSFET, IGBT
• Solar cell , LDR, LED, Photo Diode, Schmitt Trigger, Opto Coupler

Electrical Machines – II (AC Machines)

• Basic Principle – Construction – Salient Pole Type and Cylindrical Type, Advantages Rotating Type (Stationary Armature) – Damper Winding – Turbo Alternator, EMF equation, – Determination of Voltage regulation by Synchronous Impedance Method, Ampere Turn Method
• Construction of three phase induction motor – Comparison of Cage and Slipping. Induction Motor – Principle of operation – Slip – Frequency of Rotor Current – Torque -Starting Torque Derivation – Condition for Max Starting Torque, Starting and speed control methods.
• Principle of Working and Application of Split Phase Motor, Capacitor Type Motors (Capacitor -Start and Capacitor Start and Run Motor), Methods of starting synchronous motor, applications of synchronous motor

Measurements And Instruments

• Moving Coil, Moving iron, Dynamometer type instruments, CT and PT, Kelvin and Wheatstone Bridges
• Three phase power measurements and Energy meter
• CRO, Schering Bridge, Anderson’s Bridge

Digital Electronics

• Number System, Boolean Algebra and Logic gates

Transducers And Signal Conditioners

• Classification of transducers, Strain Gauge, Capacitive and inductive transducers, Thermocouple, Piezoelectric transducers
• Analog to Digital Converters, Zero Crossing Detector, Operational Amplifiers

Generation, Transmission And Distribution

• Basic Power plants, Load factor, diversity factor, plant capacity factor, Maximum Demand factor HVAC and HVDC transmission, Skin effect

Microcontroller

• 8051 Controller – Architecture, Timer, instruction set, Interrupt and serial communication

Special Electrical Machines

• Switched reluctance motor, stepper motor, linear induction motor, Brushless DC motor, AC and DC Servomotors

Control Of Electrical Machines

• AC and DC Motor Control Circuits, Industrial Control Circuits

Programmable Logic Controller

• Principle of operation, Input, output modules, Timer/ Counter, instructions, TCP/ IP protocol, Data Loggers, data Acquisition Systems

Power Systems and Utilization Of Electric Power

• Substation Equipments, Distribution schemes, Electric Braking, Illumination, Types of lamps, Electric heating, Electric furnace and welding

Electrical Estimation

• Installation, earthling, HT and LT cables, Cable fault location, Domestic and industrial installation

Computer Hardware And Networks

• Processors, Bus standards, removable storage, Printers, MODEM, UPS, SMPS, Servo Stabilizers, Graphic cards, Laptop Components

Protection And Switchgear

• Line Insulators, over voltage protection, apparatus protection (Merz Price and others), Protective relays, Circuit breakers, Power system Grounding, equipment earthing

SCADA

• Data Acquisition System, Control of plant

• Pressure Measurement Temperature Measurement Level Measurement Flow Measurement

Introduction to Automatic control

• Open loop and Closed loop Feedback Modelling simple dynamic systems Linearization Stability

Analog & Digital Electronics

• Opamps Converters & Comparators Data Acquisition Devices

Regulators, Valves & Motors

• Pressure Controllers Flow Control Valves Power Control Motors

PLC & DCS

• Controller Operation 3 | Page Input /Output Modules Ladder Diagrams Basics of SCADA & DCS

Signal Conditioning & Transmission

• Signal Conditioning Analog & Digital Transmission Wireless Transmission

Piping & Instrumentation

• Alarm & Trip Systems P&ID Symbols