Indraprastha Gas Junior Mechanical Engineer Interview Questions, Process, and Tips

Q1. What are types of positive pump
Ans. 
Positive pumps are used to move fluids by creating a pressure difference.
• Positive displacement pumps

• Centrifugal pumps

• Diaphragm pumps

• Gear pumps

• Piston pumps

• Peristaltic pumps

• Rotary pumps

• Screw pumps

• Vane pumps
Answered by AI
View 1 more answer
Q2. What is centrifugal pump
Ans. 
A centrifugal pump is a mechanical device that uses centrifugal force to transport fluids.
• Centrifugal pumps are commonly used in various industries for fluid transportation.

• They work by converting rotational energy from a motor into kinetic energy in the fluid.

• The fluid enters the pump through the inlet and is accelerated by the impeller.

• The impeller's rotation creates centrifugal force, pushing the fluid towards the p...read more
Answered by AI
View 1 more answer
Q3. Where is jockey pump located
Ans. 
The jockey pump is typically located in the fire pump room or near the main fire pump.
• The jockey pump is a small pump used to maintain pressure in a fire protection system.

• It is usually installed in conjunction with the main fire pump.

• The jockey pump helps prevent the fire pump from starting and stopping frequently by maintaining a constant pressure in the system.

• It is commonly found in the fire pump room or in close p...read more
Answered by AI
View 1 more answer
Q4. Where is fire engines used
Ans. 
Fire engines are used in various locations to respond to and extinguish fires.
• Fire engines are used in cities and towns to respond to structural fires in buildings.

• They are also used in rural areas to combat wildfires.

• Fire engines are deployed at airports to handle aircraft fires and emergencies.

• They are used in industrial areas to respond to fires in factories and warehouses.

• Fire engines are even used on ships and boa
Answered by AI
View 1 more answer
Q5. What is motor operator valve
Ans. 
A motor operator valve is a type of valve that is operated by an electric motor.
• Motor operator valves are commonly used in industrial applications.

• They are designed to control the flow of fluids or gases.

• Motor operator valves can be used in various systems, such as pipelines, power plants, and manufacturing processes.

• These valves are typically controlled remotely, allowing for automated operation.

• Examples of motor oper...read more
Answered by AI
View 1 more answer

My behaviour, and responsibility

Speech and knowlege

Shereing of the obverse

My prossnal job

Q1. Take of job and documents
Ans. 
Work permit and equipment details with jobsop
Answered Anonymously
Add your answer

Q1. Job and documents knowledgeable
Add your answer

Q1. My profile and job knowledge
Add your answer

Q1. Why would you like to work with shell?
Add your answer
Q2. Have you worked in any oil and gas facility before now?
Add your answer

What I know about permit to work system

Q1. Tell me about yourself.
Ans. 
I am a Diploma Mechanical Engineer with a passion for designing and building innovative machines.
• Graduated with a diploma in Mechanical Engineering

• Skilled in CAD software such as AutoCAD and SolidWorks

• Experience in designing and analyzing mechanical systems

• Proficient in conducting tests and troubleshooting mechanical issues

• Strong knowledge of materials, manufacturing processes, and quality control

• Worked on a project to...read more
Answered by AI
Add your answer

Q1. What is centrifugal pump?
Ans. 
A centrifugal pump is a mechanical device used to transport fluids by converting rotational kinetic energy into hydrodynamic energy.
• Centrifugal pumps are commonly used in various industries, including oil and gas, water treatment, and HVAC systems.

• They work by using an impeller to rotate and create a centrifugal force, which pushes the fluid towards the pump outlet.

• The fluid enters the pump through the suction inlet an...read more
Answered by AI
View 2 more answers
Q2. How many types of valve? What are they?
Ans. 
There are several types of valves used in mechanical systems.
• Gate valve: used to control the flow of fluid by lifting or lowering a gate

• Ball valve: uses a ball to control the flow of fluid

• Butterfly valve: uses a disc to control the flow of fluid

• Check valve: allows fluid to flow in one direction only

• Globe valve: controls flow by raising or lowering a plug

• Needle valve: uses a long, tapered needle to control flow

• Diaphragm...read more
Answered by AI
View 3 more answers
Q3. Write about ball valve?
Ans. 
A ball valve is a type of valve that uses a ball-shaped disc to control the flow of fluid through a pipe.
• Ball valves are commonly used in industrial applications for their durability and reliability.

• They have a simple design, consisting of a ball with a hole in the middle that can be rotated to control the flow of fluid.

• Ball valves can be either full port or reduced port, depending on the size of the ball and the hole.

• ...read more
Answered by AI
View 2 more answers
Q4. What is shell and tube heat exchanger?
Ans. 
A shell and tube heat exchanger is a device used to transfer heat between two fluids.
• Consists of a shell (outer vessel) and tubes (inner vessels)

• One fluid flows through the tubes while the other flows around the tubes in the shell

• Heat is transferred from one fluid to the other through the tube walls

• Commonly used in industries such as power generation, chemical processing, and HVAC

• Example: Cooling water in a power plant
Answered by AI
View 1 more answer
Q5. How many types of heat exchanger? What are they?
Ans. 
There are several types of heat exchangers, including shell and tube, plate and frame, and finned tube.
• Shell and tube heat exchangers are the most common type and consist of a shell with tubes inside.

• Plate and frame heat exchangers use thin plates to transfer heat between fluids.

• Finned tube heat exchangers have tubes with fins attached to increase surface area for heat transfer.

• Other types include spiral, double pipe, ...read more
Answered by AI
View 1 more answer
Q6. What is that full form of PPE?
Ans. 
PPE stands for Personal Protective Equipment.
• PPE is equipment worn to minimize exposure to hazards that may cause serious workplace injuries or illnesses.

• Examples of PPE include safety glasses, gloves, hard hats, respirators, and safety shoes.

• PPE should be selected based on the specific hazards present in the workplace.

• Employers are responsible for providing PPE to their employees and ensuring that it is properly maint...read more
Answered by AI
View 1 more answer
Q7. What is axial flow pump?
Ans. 
An axial flow pump is a type of pump that uses an impeller to create fluid flow parallel to the pump shaft.
• Axial flow pumps are commonly used in applications where large volumes of fluid need to be moved at low to medium pressures.

• They are often used in irrigation systems, drainage systems, and cooling systems.

• The impeller of an axial flow pump has blades that resemble a propeller, which helps in generating the axial f...read more
Answered by AI
View 1 more answer
Q8. Write about check valve?
Ans. 
A check valve is a mechanical device that allows fluid to flow in one direction only.
• Check valves are commonly used in plumbing systems to prevent backflow of water.

• They are also used in hydraulic systems to prevent reverse flow of fluid.

• Check valves can be classified into different types such as swing check valves, lift check valves, and ball check valves.

• These valves work by using a disc or a ball that opens and clos...read more
Answered by AI
View 1 more answer
Q9. Shortly explain about positive displacement pump?
Ans. 
Positive displacement pump is a type of pump that moves fluid by trapping a fixed amount of it and then forcing it into the discharge pipe.
• Positive displacement pumps operate by trapping a specific volume of fluid and then forcing it into the discharge pipe.

• These pumps are capable of generating high pressures and are used in various industries such as oil and gas, chemical, and food processing.

• Examples of positive disp...read more
Answered by AI
View 2 more answers
Q10. What is globe valve?
Ans. 
A globe valve is a type of valve used to regulate or stop the flow of fluid in a pipeline.
• It has a spherical body with an internal baffle that directs the flow of fluid.

• The valve can be opened or closed by rotating the stem.

• It provides a tight seal when closed, preventing leakage.

• Globe valves are commonly used in applications where throttling or regulating flow is required.

• They are often found in water systems, steam s
Answered by AI
View 1 more answer
Q11. What is PPE ? Give it explain?
Ans. 
PPE stands for Personal Protective Equipment. It refers to protective clothing, helmets, goggles, or other equipment designed to protect the wearer's body from injury or infection.
• PPE is used in various industries to protect workers from hazards.

• Examples of PPE include safety glasses, gloves, hard hats, respirators, and earplugs.

• PPE should be selected based on the specific hazards present in the workplace.

• Proper traini...read more
Answered by AI
View 2 more answers

Q1. Regarding job role, Maintenance strategy, Last troubleshooting which you handled
Add your answer
Q2. Project which you have handled
Add your answer