Power Eng 2nd Class study plan
Power Eng 2nd Class · Give each week a clear focus.
8 weeks · About 7 hours per week
Applied Thermodynamics and Heat Transfer & Mechanical Equipment and Components (Pumps, Compressors, Turbines, Engines)
Derive and apply the steady-flow energy equation to nozzles, diffusers, turbines, and compressors, working at least 15 numeric problems without reference notes.
Calculate conduction, convection, and radiation heat transfer rates for flat walls, cylinders, and heat-exchanger surfaces, including combined-mode cases.
Explain the Rankine cycle, reheat, and regenerative feedwater heating, then compute cycle efficiency, heat rate, and specific steam consumption for three sample steam conditions.
Classify pump types and match each to its typical service, head-flow characteristic, and NPSH requirement in a written comparison table.
Solve centrifugal pump affinity-law problems relating speed, impeller diameter, flow, head, and power, and state the practical limits of each law.
Your checkpoint
A worked problem set of 20 thermodynamics and pump/compressor calculations with answers, unit checks, and a one-page formula sheet you can reuse in later weeks.
High-Pressure Boilers and Combustion Systems & Applied Thermodynamics and Heat Transfer
Trace the feedwater and steam path through a high-pressure boiler, labeling economizer, drum, superheater, reheater, and air heater, and state the duty of each section.
Compute boiler efficiency by both the input-output and heat-loss methods, and identify which losses dominate at low and high load.
Describe drum internals and steam separation, and explain how carryover, priming, and foaming are detected and corrected.
Analyze combustion stoichiometry: calculate theoretical air, excess air from flue-gas oxygen, and the effect of excess air on stack loss and flame temperature.
Explain burner management, draft control, and furnace safeguards for a balanced-draft high-pressure unit.
Your checkpoint
A boiler efficiency calculation for one realistic case, showing excess air, stack loss, and unburned-carbon loss, with a short memo on how you would raise efficiency by two points.
Instrumentation, Controls, and Safety Devices & Plant Operations, Maintenance, and Troubleshooting
Match sensing elements to measured variables (pressure, temperature, flow, level, conductivity, vibration) and state the failure mode of each.
Explain PID control action, tuning methods, and the symptoms of over-tuned and under-tuned loops in a plant context.
Identify the safety devices on a high-pressure boiler (safety valves, low-water cutoff, flame scanner, high-pressure limit) and describe the test and trip logic for each.
Build a troubleshooting sequence for three symptoms: fluctuating drum level, falling pump discharge pressure, and rising bearing temperature.
Interpret a simple loop diagram and P&ID excerpt and list the trips and interlocks it implies.
Your checkpoint
A written troubleshooting guide covering three plant faults, each with a symptom tree, likely causes ranked by probability, and the confirming test for each cause.
High-Pressure Boilers and Combustion Systems & Plant Operations, Maintenance, and Troubleshooting
Plan a boiler startup from cold, listing warm-up rate limits, drum-expansion checks, and the sequence of interlocks that must clear before firing.
Plan a controlled shutdown and layup, distinguishing wet, dry, and nitrogen-capped storage and when each applies.
Describe pressure-part inspection: drum internals, tube thickness surveys, refractory and casing inspection, and safety-valve overhaul intervals.
Diagnose common boiler tube failures (caustic gouging, hydrogen damage, oxygen pitting, overheating) from deposit and failure appearance.
Draft a preventive-maintenance schedule for one boiler and its auxiliaries over a twelve-month cycle.
Your checkpoint
A one-page startup and shutdown checklist for a high-pressure boiler plus a tube-failure diagnosis table linking appearance, mechanism, and corrective action.
Water Treatment, Corrosion, and Chemistry & Electrical Systems and Motors
Explain external and internal water treatment: softening, demineralization, deaeration, oxygen scavenging, and phosphate or amine programs, and state the target range for each key parameter.
Interpret a water-analysis sheet (pH, conductivity, silica, iron, hardness, dissolved oxygen) and recommend corrective action for two out-of-range results.
Describe corrosion mechanisms in boilers and condensate systems and the chemistry control that prevents each.
Explain three-phase induction motor construction, slip, torque-speed behavior, and starting methods including direct-on-line, star-delta, and VFD.
Read a motor nameplate and calculate full-load current, then explain protection coordination, overload relays, and the purpose of motor circuit protection.
Your checkpoint
A water-chemistry control chart with target and alarm limits for a high-pressure boiler plus a motor nameplate interpretation worksheet with calculated currents and protection settings.
Refrigeration, Air Conditioning, and Compressed Air & Electrical Systems and Motors
Trace the vapor-compression refrigeration cycle on a pressure-enthalpy diagram and calculate cooling capacity, compressor power, and coefficient of performance.
Diagnose refrigerant-side faults (undercharge, overcharge, non-condensables, restricted expansion device) from superheat, subcooling, and pressure readings.
Explain chilled-water and air-handling system control, including humidity control and coil performance at part load.
Describe compressed-air system components, calculate leakage cost from a no-load run test, and state pressure-drop and dew-point targets.
Explain electrical safety for plant work: lockout/tagout, arc-flash boundaries, PPE categories, and safe approach distances.
Your checkpoint
A refrigeration and compressed-air audit summary for one hypothetical system, with calculated coefficient of performance, identified losses, and three quantified savings measures.
Codes, Standards, and Regulatory Compliance & Safety, Environmental Protection, and Emergency Response
Summarize the code requirements that govern boiler construction, inspection intervals, and operator certification for your jurisdiction, citing clause intent rather than memorized numbers.
List the records a plant must retain (inspection reports, relief-valve tests, water analyses, training) and the retention period for each.
Outline environmental obligations: emissions monitoring, stack testing, wastewater discharge limits, and refrigerant management.
Build an emergency response sequence for a major steam release, a fuel-gas leak, and a boiler low-water trip, naming roles and isolation steps.
Explain incident investigation and root-cause analysis, and apply a simple causal method to one near-miss scenario.
Your checkpoint
A compliance and emergency-response reference sheet covering required records, inspection intervals, and step-by-step actions for three emergency scenarios.
Supervision, Administration, and Plant Management & Plant Operations, Maintenance, and Troubleshooting
Explain the supervisor's legal and practical duties for operator competence, shift handover, permit-to-work, and contractor control.
Design a shift-handover format and a training and qualification matrix for a boiler plant crew.
Review the full syllabus and rank your five weakest topics, then complete targeted practice on each.
Complete a timed mixed-topic practice set under exam conditions and analyze every error by cause, not just by topic.
Write a personal exam-day plan covering time allocation, calculation checks, and how you will handle unfamiliar wording.
Your checkpoint
A timed 60-question mixed practice set with a scored error log, a ranked list of remaining weak areas, and a written exam-day strategy.
Milestones
Week 2: Without notes, sketch the steam cycle of a high-pressure boiler plant and state where each major heat addition and loss occurs; score at least 80 percent on a 15-question thermodynamics and combustion self-test.
Week 4: Walk through a cold startup and a controlled shutdown from memory in under ten minutes, naming every interlock and safety device in sequence, and correctly identify the mechanism behind four tube-failure samples.
Week 6: Calculate refrigeration coefficient of performance and motor full-load current from raw data with no formula sheet, and pass a 20-question instrumentation, electrical, and chemistry self-test at 80 percent or better.
Week 8: Score at least 75 percent on the timed 60-question mixed set, with every missed item logged to a named cause, and have a written exam-day plan you can follow under pressure.