Tata Power Operation & Maintenance Engineer Interview Questions and Answers

Gear box replacement work

Q1. Barring checking and replacement work and safety first and paper work and walked away clean and fresh and try out and blumber block top cover open and old barring slue remove and new barring slue replace a...read more
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Q2. V-scraper replacement work and safety first and paper work and walked away clean and fresh and try out and bolt nut open and old v-scraper remove and new v-scraper replace and bolt nut tightening sure and ...read more
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Q3. Motor replacement work and safety first and paper work and walked away clean and fresh and try out and bolt nut open and old motor remove and new motor replace and bolt nut tightening sure and dayal guage ...read more
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Q4. Discharge chute replacement work and safety first and paper work and walked away clean and fresh and try out and bolt nut open and old discharge chute remove and new discharge chute replace and bolt nut ti...read more
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Q5. Gear box replacement work and safety first and paper work and walked away clean and fresh and try out and bolt nut open and old gear box remove and new gear box replace and bolt nut tightening sure and day...read more
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Q6. Conveyor pully greasing and saving work and safety first and paper work and walked away clean and fresh and grease gunand all pully checking and saving greasing work and paper work cancelled
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Q1. Why we can't more efficiency in Boiler
Ans. 
Efficiency in boilers is limited due to various factors.
• Incomplete combustion of fuel leads to energy loss

• Heat loss through flue gases and radiation

• Inefficient heat transfer due to scaling or fouling

• Improper insulation leading to heat loss

• Inadequate maintenance and tuning

• Lack of advanced control systems

• Design limitations and constraints

• Fuel quality and composition

• Operating conditions and load variations
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Q2. Why Turbine,s efficiency is less & so derive the efficiency equation
Ans. 
The efficiency of a turbine is less due to various factors such as friction, heat losses, and mechanical losses.
• Friction between the moving parts of the turbine reduces its efficiency.

• Heat losses occur due to the conversion of thermal energy into mechanical energy.

• Mechanical losses include losses in bearings, seals, and other components.

• Efficiency equation: Efficiency = (Useful output energy / Input energy) * 100%
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Q1. Hydraulic. Pneumatic
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Q2. Pump. gearbox . Bearings
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Q1. Preventive maintenance related
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Q2. Gear box related
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Q3. Generator related
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Q4. Yaw drive backless gap setting related
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Q5. Generator alignment related
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Q6. Tower toque related
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Q7. Electrical error rectification related
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Any questions ask my job related

Q1. My job related ask any questions
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Q1. About your self and your Experience
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Q2. Technical questions related to your experience
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Q1. Salary discuss and stability check
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Q1. 1 .Law of thermodynamics, about centrifugal, reciprocating pump,types of boiler
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Q2. Types of Gear, types of valve
Ans. 
There are various types of gears and valves used in maintenance.
• Types of gears include spur, helical, bevel, worm, and planetary gears.

• Types of valves include gate, globe, ball, butterfly, and check valves.

• Each type of gear and valve has its own unique characteristics and applications.

• Proper maintenance and lubrication is essential for the longevity and efficiency of gears and valves.
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Question related to electrical and mental ability

Q1. Tell me about your self, what is transformer, Tell me about your BE Project, What is resistance, capacitor, Generator And so on
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Q2. What is transformer
Ans. 
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers are used to increase or decrease voltage levels in electrical circuits.

• They consist of two coils of wire, known as the primary and secondary coils, wrapped around a core.

• Step-up transformers increase voltage levels, while step-down transformers decrease voltage levels.

• Transf...read more
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Q3. What is resistance
Ans. 
Resistance is the opposition to the flow of electric current.
• Resistance is measured in ohms (Ω).

• It is caused by the collisions of electrons with atoms in a conductor.

• Higher resistance leads to lower current flow.

• Resistance can be affected by factors like material, length, and temperature.

• Examples of high resistance materials include rubber and glass.

• Examples of low resistance materials include copper and silver.
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Q4. What is generator
Ans. 
A generator is a device that converts mechanical energy into electrical energy.
• Generators are commonly used in power plants to generate electricity

• They can also be used as backup power sources in case of power outages

• Generators can be powered by various sources such as gasoline, diesel, natural gas, or renewable energy sources like wind or solar

• They work on the principle of electromagnetic induction
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Q5. What is capacitor
Ans. 
A capacitor is an electronic component that stores and releases electrical energy in a circuit.
• Capacitors are used to filter out noise in electronic circuits.

• They can also be used to store energy in flash cameras.

• Capacitors are measured in farads, with smaller values denoted in microfarads or picofarads.
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