NTPC Interview Questions, Process, and Tips

Q1. Power plant related
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Q2. Theory of machine
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Theory of machine is a branch of engineering that deals with the study of machines and their mechanisms.
• Theory of machine focuses on understanding the principles behind the operation of machines.

• It involves studying the design, construction, and operation of machines.

• Examples include studying the movement of gears in a gearbox or the operation of a piston in an engine.
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Q3. Function of PA fan
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PA fan stands for Primary Air fan, which is used in power plants to supply air for combustion in the boiler.
• Supplies primary air for combustion in the boiler

• Helps in maintaining proper air-fuel ratio for efficient combustion

• Assists in controlling the temperature and pressure inside the boiler

• Improves the overall efficiency of the boiler

• Examples: FD fan in a power plant
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Q4. ID fan and pa fan difference
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ID fan is used to control the draft in the furnace while PA fan is used to supply combustion air to the furnace.
• ID fan is located at the outlet of the furnace while PA fan is located at the inlet of the furnace.

• ID fan helps in maintaining negative pressure inside the furnace while PA fan helps in supplying air for combustion.

• ID fan is used to extract flue gases from the furnace while PA fan is used to supply primary an...read more
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Q1. How many types of exchangers are there?
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Heat exchangers are devices used to transfer heat between two or more fluids, without mixing them together.
• Shell and tube heat exchanger

• Plate heat exchanger

• Double pipe heat exchanger

• Finned tube heat exchanger

• Spiral heat exchanger
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Q2. What is preeming called?
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Preeming is called grooming in the fire service.
• Preeming is the act of cleaning and maintaining equipment in the fire service.

• Grooming ensures that all equipment is in proper working order and ready for use during emergencies.

• Examples of grooming tasks include cleaning and inspecting hoses, nozzles, and other firefighting gear.
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Q3. How many types of hydrants are there?
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Different types of hydrants include wet barrel hydrants, dry barrel hydrants, and post hydrants.
• Wet barrel hydrants are commonly used in warmer climates and have the valve at the top of the hydrant.

• Dry barrel hydrants are typically used in colder climates and have the valve at the bottom of the hydrant to prevent freezing.

• Post hydrants are mounted on a post above ground level and are often used in rural areas or parks.
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Q4. How many types of couplings are there?
Ans. 
Different types of couplings include rigid, flexible, sleeve, and clamp couplings.
• Rigid couplings do not allow for any misalignment between shafts

• Flexible couplings can accommodate slight misalignments and vibrations

• Sleeve couplings are simple and inexpensive, but not suitable for high torque applications

• Clamp couplings use screws or clamps to secure the connection between shafts
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Q5. How many types of hose are there?
Ans. 
Different types of hoses used in firefighting include attack hoses, supply hoses, and booster hoses.
• Attack hoses are used to deliver water or foam to extinguish fires.

• Supply hoses are used to bring water from a water source to the fire scene.

• Booster hoses are smaller in diameter and used for small fires or for mop-up operations.
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Q1. About store management
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Q2. Any thing about store management
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Store management involves overseeing daily operations, staff management, inventory control, and customer service.
• Daily operations include opening and closing procedures, ensuring cleanliness and organization, and monitoring sales.

• Staff management involves hiring, training, scheduling, and performance evaluations.

• Inventory control includes ordering products, managing stock levels, and conducting regular audits.

• Customer ...read more
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Q3. I am one of those who work with great confidence, and I am proud that my presentation will not cause any harm to the company.
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Q1. Power plant system
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Q2. Power fector ,current,voltage related
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Q3. PowerX'mer,Generator,steam turbin
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Q4. Power transnission,,HVDC transmmision
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Q5. Role of safety man &machine
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The safety man and machine play crucial roles in ensuring the safety of power plant operations.
• The safety man is responsible for implementing safety protocols and procedures in the power plant.

• They conduct regular safety inspections and audits to identify potential hazards and ensure compliance with safety regulations.

• The safety man also trains and educates plant personnel on safety practices and emergency procedures.

• T...read more
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Q6. Best precticed & addopt quality concept
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Q7. How can make own productive
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To make oneself productive, one can prioritize tasks, set goals, manage time effectively, seek continuous learning, and maintain a healthy work-life balance.
• Prioritize tasks based on importance and urgency

• Set specific, measurable, attainable, relevant, and time-bound (SMART) goals

• Manage time effectively by creating schedules and avoiding procrastination

• Seek continuous learning through professional development and stayi...read more
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Q8. Custmer focus,sustaible product
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Project report,monitering procces time to time make scedule preventive maintanance,safety first

Topic was Women in power sectors

Q1. Give your brief intro
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Q2. What is thermal plant?
Ans. 
A thermal plant is a power station that generates electricity by converting heat energy into electrical energy.
• Thermal plants use fuel such as coal, natural gas, or oil to heat water and produce steam.

• The steam then drives a turbine connected to a generator, which produces electricity.

• Examples of thermal plants include coal-fired power plants and gas-fired power plants.
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Q1. Why you join ntpc
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Q2. What are your background
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Q3. Education journey
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Q4. Technical skill and knowledge
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Q5. Management skill and experience
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About H2 plant operation

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