Thermax Babcock Wilcox Energy Solutions Welder TIG and ARC Interview Questions, Process, and Tips

What is your contribution in your last job?

Q1. Great interview awesome interview panel
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Q1. HR was very professional
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Q1. Scope of work taken up in earlier company which are applicable for our company ( Alstom)
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Q2. Manufacturing & calibration related topics for Carbody fixture
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Q3. Paint RAL code & paint thickness applied on fixture.
Ans. 
The paint RAL code and thickness applied on the fixture is recorded for quality control purposes.
• The RAL code is a standardized color code system used in Europe.

• The paint thickness is measured using a paint thickness gauge.

• The recorded data is used to ensure consistency in the painting process and to meet customer specifications.

• Example: RAL 9005 (Jet Black) with a paint thickness of 50 microns.
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Q4. Make of clamps used on fixture
Ans. 
The clamps used on the fixture are made by various manufacturers.
• The make of clamps used on the fixture may vary depending on the specific fixture and its requirements.

• Some common manufacturers of clamps include Bessey, Irwin, and Jorgensen.

• The type of clamp used may also vary, such as C-clamps, bar clamps, or spring clamps.
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Q5. What is VSM graph and it's application
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VSM graph is a tool used in Lean manufacturing to map out the current state of a process and identify areas for improvement.
• VSM stands for Value Stream Mapping

• It is used to visualize the flow of materials and information through a process

• Helps identify waste and inefficiencies in the process

• Can be used to plan and implement process improvements

• Example: A VSM graph can be used to identify bottlenecks in a manufacturing ...read more
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Q1. What challenges you feel you might face of you join madhepura ( it's a remote site hence the question)
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Q2. Why do you think you are suitable for the job and how your earlier experience will be useful forus ( Alstom)
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Q1. Question related to the field of Engineering
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Q2. Question related to personal life
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Q3. Question related to the motors and communication protocol
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Q1. Draw P&ID of Pump System
Ans. 
P&ID of Pump System shows the piping, equipment, instrumentation, and control interlocks of the system.
• Include pump symbol with arrows indicating flow direction

• Label all equipment such as pumps, valves, tanks, etc.

• Show instrumentation like pressure gauges, flow meters, etc.

• Indicate control interlocks and safety features

• Use standard symbols and colors as per industry guidelines
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Q2. What is npsh available
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NPSH available stands for Net Positive Suction Head available, which is a measure of the absolute pressure at the suction port of a pump.
• NPSH available is the total suction head in feet absolute at the suction nozzle of the pump.

• It is important for ensuring that the pump does not cavitate, which can cause damage to the pump and decrease efficiency.

• NPSH available is calculated by subtracting the vapor pressure of the li...read more
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Q3. How to calculate NPSH
Ans. 
NPSH is calculated by subtracting the vapor pressure of the liquid from the total head of the pump.
• NPSH = H - (Pv / rho * g)

• H is the total head of the pump

• Pv is the vapor pressure of the liquid

• rho is the density of the liquid

• g is the acceleration due to gravity

• Ensure all units are consistent (e.g. meters, Pascal, kg/m^3, m/s^2)
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Q4. Draw two phase system p&ID
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A two-phase system P&ID shows the process flow of a system with two distinct phases.
• Identify the two phases involved in the system (e.g. liquid-gas, solid-liquid).

• Use different symbols to represent each phase on the P&ID.

• Show the flow direction and connections between components in the system.

• Include labels and legends to explain the components and their functions.

• Ensure clarity and consistency in the representation of
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Q1. Pumps, line and hydrualics
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Q1. What are types of psv
Ans. 
Types of PSV include conventional spring-loaded PSV, pilot-operated PSV, balanced bellows PSV, and rupture disc PSV.
• Conventional spring-loaded PSV

• Pilot-operated PSV

• Balanced bellows PSV

• Rupture disc PSV
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Q2. What are heat exchanger types
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Heat exchanger types include shell and tube, plate, finned tube, and double pipe.
• Shell and tube heat exchanger

• Plate heat exchanger

• Finned tube heat exchanger

• Double pipe heat exchanger
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Q1. Past experience question...
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