Holcim Lafarge Ambuja Cement Process Analyst Interview Questions and Answers

Q1. Explain Procure to pay cycle
Ans. 
Procure to pay cycle is the process of obtaining goods or services from a vendor, including requisition, purchase order, receipt, invoice, and payment.
• The cycle starts with a requisition for goods or services needed by a department.

• A purchase order is then created and sent to the vendor for the requested items.

• Upon receiving the items, a receipt is generated to confirm the delivery.

• An invoice is then received from the ...read more
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Q2. What is the Controls of Ap
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Controls of Ap refer to the various measures put in place to ensure the accuracy, security, and integrity of accounts payable processes.
• Segregation of duties to prevent fraud

• Regular reconciliation of accounts

• Approval processes for invoices and payments

• Use of accounting software with built-in controls

• Regular audits to check for compliance
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Q1. Salary expectations
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Q1. Pumps, line and hydrualics
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Aptitude test which goes nice and we done will and basic knowledge in excel and ms offcie tool

Basic coding questions

Asked to show the program

Q1. Salary discussion
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Q2. Basic daily activites
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Easy for developer work on quant reasoning and verbal for aptitude round

Easy to medium level questions for coding round

Q1. Pump curve to be explained
Ans. 
A pump curve is a graphical representation of a pump's performance characteristics.
• Pump curve shows the relationship between flow rate, head, power, and efficiency of a pump.

• It helps in selecting the right pump for a specific application based on the required flow rate and head.

• The curve typically consists of multiple lines representing different pump speeds or impeller diameters.

• The intersection point of the system cu...read more
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Q2. Control valve cv calc
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Q1. Experience to be explained
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Q2. Expectations to be explained
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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
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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. 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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