Jaiprakash Power Ventures Mechanical Maintenance Engineer Interview Questions and Answers

Q1. What are your technical certifications?
Ans. 
I am certified in OSHA 30-hour General Industry Safety and Health, Certified Maintenance and Reliability Professional (CMRP), and Certified Welding Inspector (CWI).
• OSHA 30-hour General Industry Safety and Health certification

• Certified Maintenance and Reliability Professional (CMRP) certification

• Certified Welding Inspector (CWI) certification
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General aptitude test follwed by a technical round. Questions were asked from different online forums/sites. Lengthy to be solved at own. it was a CBT.

GD was conducted in batches of 10 to 15. Firstly all members were given 3 choices of topics for GD. GD topics were very general. Then the selected topic was reserved for the GD. it was more like a debate. Everyone raised volume to ensure that they are heard more. Those who spoke more irrespective of the quality of arguments, finally aced the GD round.

Q1. General information regarding my educational background and family background. HR raised questions entirely from my resume
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Q2. Tell me about yourself
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Q3. What does your parents/siblings do
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Q4. Tell me about the internship
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Q5. Explain your project during internship
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Q6. Would you be comfortable with pan india location
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Q7. Tell me about your city
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Q1. What is your favorite subject
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Q2. Why is ........... your favorite subject
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Q3. Do you know how a thermal power plant works
Ans. 
A thermal power plant generates electricity by converting heat energy into electrical energy through the use of steam turbines.
• Thermal power plants burn fossil fuels such as coal, natural gas, or oil to heat water and produce steam.

• The steam is then used to drive a turbine connected to a generator, which produces electricity.

• The waste heat from the turbine is usually released into the environment through cooling towers...read more
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Q4. Explain working of thermal power plant
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Thermal power plants generate electricity by converting heat energy into electrical energy.
• Fuel (coal, oil, gas) is burned to produce heat

• Heat is used to boil water and produce steam

• Steam drives a turbine connected to a generator, producing electricity

• Cooling water is used to condense the steam back into water for reuse

• Electricity is then transmitted through power lines to consumers
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Q5. Explain rankine cycle
Ans. 
Rankine cycle is a thermodynamic cycle used in steam power plants to generate electricity.
• Rankine cycle involves four processes: compression, heating, expansion, and cooling.

• Steam is compressed in a pump, heated in a boiler, expanded in a turbine, and cooled in a condenser.

• The cycle aims to maximize the efficiency of converting heat into mechanical work.

• It is commonly used in power plants to generate electricity.

• Effici...read more
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Q6. How is electricity produced in generator? Which law explain
Ans. 
Electricity is produced in a generator through electromagnetic induction. Faraday's law of electromagnetic induction explains this process.
• Electricity is produced in a generator through the process of electromagnetic induction.

• When a conductor is moved through a magnetic field, or a magnetic field is moved around a conductor, it creates an electric current.

• This current is then collected and converted into usable electr...read more
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Q7. Why you want to be in jsw energy
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Q1. Can you explain material handling process using belt conveyor system? what is the width & type of your belt conveyor?
Ans. 
Material handling process using belt conveyor system involves transporting materials efficiently. The width and type of belt conveyor depend on the specific application.
• Belt conveyor system is used to transport materials from one location to another in a production facility or warehouse.

• The width of the belt conveyor depends on the size and weight of the materials being transported. It can range from a few inches to se...read more
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Q2. Hydraulics & pneumatic questions about packaging system, load cell , optical sensors, fire fighting, OHS (they give a lot of importance to safety- read OHS,PTW system, W@H, Hot work safety, Fire Fighting, ...read more
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Q1. Simple intro & other info, casual
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Q1. Technical case study
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Q2. Group discussion HR case study
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Q1. What is tharmal power plant
Ans. 
A thermal power plant is a facility that converts heat energy into electrical power.
• Thermal power plants use fossil fuels, nuclear energy, or renewable sources to generate heat.

• The heat is used to produce steam, which drives a turbine connected to a generator.

• The generator converts mechanical energy into electrical energy.

• Common types of thermal power plants include coal-fired, gas-fired, and nuclear power plants.

• Examp...read more
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Q2. Tharmal power plant efficiency how to work
Ans. 
Thermal power plant efficiency is the ratio of energy output to energy input.
• Efficiency can be improved by using high-quality fuel and improving the combustion process.

• Regular maintenance of equipment and proper insulation can also improve efficiency.

• Cogeneration, where waste heat is used for other purposes, can increase efficiency.

• Efficiency can be calculated using the formula: Efficiency = Energy output / Energy inpu...read more
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Q1. Last project in your college
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Q2. What is diode and how to check it's ok or not on
Ans. 
A diode is an electronic component that allows current to flow in only one direction. To check if it's ok, use a multimeter in diode mode.
• A diode has two terminals: an anode and a cathode

• When forward-biased, a diode allows current to flow through it

• When reverse-biased, a diode blocks current flow

• To check if a diode is ok, use a multimeter in diode mode and measure the voltage drop across the diode

• A good diode will have
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Q3. Different between digital and analog
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Digital refers to discrete values while analog refers to continuous values.
• Digital signals are represented by binary code (0s and 1s) while analog signals are represented by continuous waves.

• Digital signals are less susceptible to noise and interference compared to analog signals.

• Digital devices are generally more precise and accurate than analog devices.

• Examples of digital devices include computers, smartphones, and d...read more
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Q1. Can not disclose interview question as per company norms
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Q1. Interview on Previous experience
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Q1. Asking about yourself your past experience knowledge
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