ASM Technologies Senior Engineer Interview Questions and Answers

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. What is test procedure for Cement and steel and coarse aggregate and sand?
Ans. 
The test procedures for cement, steel, coarse aggregate, and sand involve various physical and chemical tests to ensure quality and suitability for construction purposes.
• Cement: Tests include fineness, setting time, compressive strength, soundness, and chemical composition.

• Steel: Tests involve tensile strength, yield strength, elongation, and chemical composition.

• Coarse Aggregate: Tests include sieve analysis, specific...read more
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Q2. What is the grade using of concrete?
Ans. 
The grade of concrete refers to its strength and durability.
• Concrete is graded based on its compressive strength, measured in megapascals (MPa).

• Common grades of concrete include M10, M15, M20, M25, etc.

• The higher the grade, the stronger the concrete.

• Different grades of concrete are used for different applications, such as foundations, slabs, columns, etc.
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Q3. What is the 28 days cube strength and value?
Ans. 
28 days cube strength is a measure of the compressive strength of concrete after 28 days of curing.
• 28 days cube strength refers to the compressive strength of concrete cubes after they have been cured for 28 days.

• It is an important parameter to assess the quality and durability of concrete.

• The value of 28 days cube strength is typically expressed in megapascals (MPa) or pounds per square inch (psi).

• It is determined by ...read more
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Q1. What is your previous experience
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Q1. What is Surging?
Ans. 
Surging is a phenomenon in which a system experiences rapid and temporary increases in pressure or flow rate.
• Surging can occur in various systems such as pipelines, compressors, pumps, and turbines.

• It is often caused by sudden changes in demand, equipment malfunctions, or improper system design.

• Surging can lead to damage to equipment, reduced efficiency, and safety hazards.

• Examples include water hammer in pipelines and
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Q2. What is Froude No?
Ans. 
Froude number is a dimensionless number used to quantify the influence of gravity on fluid flow.
• Froude number is defined as the ratio of inertia force to gravitational force in a fluid flow.

• It is used to determine the type of flow (subcritical, critical, or supercritical) in open channel flow.

• Froude number is calculated as Fr = V / sqrt(g * d), where V is velocity, g is acceleration due to gravity, and d is depth of fl
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Q3. What is Weeping?
Ans. 
Weeping is the process of fluid leaking out of a solid material, often due to damage or excess moisture.
• Weeping can occur in materials such as wood, concrete, and metal.

• It is often a sign of structural damage or deterioration.

• Examples include water weeping from a crack in a wall or oil weeping from a car engine.

• Weeping can also refer to the shedding of tears in humans and animals.
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Q1. Draw basic PFD of a WTP plant including feed quality and all the sensors.
Ans. 
A basic PFD of a WTP plant including feed quality and sensors.
• Include feed quality parameters such as turbidity, pH, temperature, and flow rate

• Include sensors for monitoring parameters like chlorine levels, pressure, and conductivity

• Show the flow of water through various treatment processes like coagulation, flocculation, sedimentation, filtration, and disinfection
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Q2. What are the process checks done in Line testing of a 6inch dia pigging line including the calculations involved?
Ans. 
Process checks in line testing of a 6inch dia pigging line and associated calculations
• Pressure testing to ensure integrity of the line

• Flow testing to check for blockages or restrictions

• Calibration of pigging equipment for accurate results

• Calculations involve pressure drop, flow rate, and pigging efficiency

• Recording and analyzing data for future reference
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Q1. Why do u qant to leave ur previous company?
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Q2. How do u solve a matter of conflict during a Project meeting?
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Q1. What is the HDPE and Di pipe is code ??
Ans. 
HDPE and Di pipe IS codes are standards set by the Bureau of Indian Standards for high-density polyethylene and ductile iron pipes.
• IS 4984: High-density polyethylene (HDPE) pipes for potable water supplies

• IS 8329: Ductile iron (DI) pipes and fittings for pressure pipelines
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Q2. Types of Aerator.
Ans. 
Aerators are devices used to add air into water or other liquids to increase oxygen levels.
• Surface aerators

• Submersible aerators

• Diffused aerators

• Mechanical aerators

• Aspirating aerators
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Q3. 3 Types of Aerator - 1) cascade 2) Tray tower 3) spray nozal
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Q1. About salary and experience
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Q1. Chiller trouble shooting
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Q2. Work of cchiller
Ans. 
A chiller is a machine that removes heat from a liquid via a vapor-compression or absorption refrigeration cycle.
• Chillers are commonly used in air conditioning systems to cool buildings or industrial processes.

• They work by transferring heat from the liquid being chilled to a separate fluid, which is then circulated through a heat exchanger to cool it down.

• Chillers can be water-cooled or air-cooled, depending on the app
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Q3. Alarm and solutions
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Q4. Controlling andetc
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Salary and job responsibilities

Q1. About previous assignments
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Q2. About your job roles in previous assignments
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