Arham Infrabuild Senior Project Site Engineer Interview Questions and Answers

Q1. What are your salary expectations?
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Q2. What is your family background?
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Q1. Technical round - depends on your sector and manager . Else no technical questions. Ready to travel . Married or not . Over...
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Q1. Mechanical design principles? What is the difference between stress and pressure
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Stress is the internal force per unit area within a material, while pressure is the external force per unit area exerted on a surface.
• Stress is a measure of the internal forces within a material, while pressure is a measure of the external forces acting on a surface.

• Stress is a scalar quantity, while pressure is a vector quantity.

• Stress is measured in units of force per unit area, while pressure is measured in units of...read more
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Q1. What are your expectation?
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How to manage site structure to finishing work

Technical/ mathematics

Q1. About reinforcement
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Q2. About tile testing
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Q3. About material testing
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Q1. Family background
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Q2. Salary discussion
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Q1. How many types of Pumpa.
Ans. 
There are several types of pumps including centrifugal, positive displacement, and axial flow pumps.
• Centrifugal pumps use a rotating impeller to move fluid, while positive displacement pumps use a mechanical means to move fluid.

• Axial flow pumps are used for low head and high flow rate applications.

• Other types of pumps include jet pumps, gear pumps, and peristaltic pumps.

• The type of pump used depends on the application
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Q2. How many types of pipes.
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There are several types of pipes, including metal, plastic, ceramic, and concrete.
• Types of pipes include metal, plastic, ceramic, and concrete.

• Metal pipes include copper, steel, and iron.

• Plastic pipes include PVC, CPVC, and PEX.

• Ceramic pipes are used for sewer lines.

• Concrete pipes are used for drainage and sewage systems.
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Q3. How many types of Valves.
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There are several types of valves used in various industries, including gate, globe, ball, butterfly, and check valves.
• Valves are used to control the flow of fluids or gases in a system.

• Gate valves are used for on/off control and have a sliding gate that blocks or allows flow.

• Globe valves have a movable disk that regulates flow and are used for throttling.

• Ball valves have a rotating ball with a hole that controls flow ...read more
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Q4. Work of velocity valve.
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Velocity valve regulates the flow of fluid in a hydraulic system based on the velocity of the fluid.
• Velocity valve is used in hydraulic systems to control the speed of actuators.

• It regulates the flow of fluid based on the velocity of the fluid.

• It helps in maintaining a constant speed of the actuator.

• Examples of velocity valves include flow control valves and pressure control valves.
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Q5. Function of surg tank.
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A surge tank is used to control water pressure and prevent water hammer in a hydraulic system.
• A surge tank absorbs excess pressure caused by sudden changes in flow rate.

• It helps maintain a steady and controlled flow of fluid in the system.

• The surge tank acts as a reservoir to store and release fluid as needed.

• It prevents water hammer, which is a sudden increase in pressure due to the rapid deceleration or stoppage of f...read more
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Q6. How to lift or adjust the impeller in Vertical turbine pumps.
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The impeller in vertical turbine pumps can be lifted or adjusted by removing the pump bowl and using a hoist or crane to lift the impeller out of the bowl.
• Remove the pump bowl cover and the column pipe

• Use a hoist or crane to lift the impeller out of the bowl

• Adjust the impeller by changing the number or position of the impeller blades

• Reinstall the impeller and pump bowl cover
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Q7. Which device do you use for alignment in a vertical turbine pumps.
Ans. 
Laser alignment tool is used for alignment in vertical turbine pumps.
• Laser alignment tool is used to align the pump and motor shafts.

• It helps to ensure that the pump operates efficiently and reduces wear and tear.

• The tool emits a laser beam that is projected onto a target on the opposite shaft.

• The alignment is adjusted until the laser beam hits the center of the target.

• Examples of laser alignment tools include the SKF
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Q8. Value of alignment device. Max or min.
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Alignment devices are valuable for ensuring precision and accuracy in various industries.
• Alignment devices help to ensure that machinery and equipment are properly aligned, which can improve efficiency and reduce wear and tear.

• They are commonly used in industries such as manufacturing, construction, and automotive.

• Examples of alignment devices include laser alignment tools, dial indicators, and optical alignment system...read more
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Q9. What will happen if air valve is not installed in the pipeline?
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Without an air valve, the pipeline may experience air pockets, which can cause blockages, reduced flow, and damage to the pipeline.
• Air pockets can cause blockages and reduced flow in the pipeline.

• The pipeline may also experience damage due to the pressure caused by the air pockets.

• An air valve is necessary to release the air pockets and maintain the proper flow of the pipeline.

• Without an air valve, the pipeline may req...read more
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Q1. Knowledge basis questions
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Q2. Welding defects,and power
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