Ahluwalia Contracts India Fabrication Engineer Interview Questions and Answers

Q1. Motor type, Pump lowering, ESR piping etc.
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Q2. Solar Specification
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Q1. Notice period is negotiable
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Q2. 30%hike on current ctc
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General knowlegde, Basic Aptitude, Domain Technical MCQ

Genx vs Genz, Altitude and comparsion

Q1. Components of Transformer
Ans. 
Components of a transformer include core, windings, and insulation.
• Core: Provides a path for magnetic flux

• Windings: Primary and secondary coils for inducing voltage

• Insulation: Prevents short circuits and ensures safety
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Q2. Question based on series and parallel resistance
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Q1. What do you know about PCB ?
Ans. 
PCB stands for Printed Circuit Board, a board made of non-conductive material with conductive tracks for electronic components.
• PCB is used to mechanically support and electrically connect electronic components using conductive pathways.

• It is made of non-conductive material like fiberglass, with copper tracks to connect components.

• PCBs can be single-sided, double-sided, or multi-layered depending on the complexity of th...read more
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Q2. What is the active and passive components?
Ans. 
Active components require a power source to operate, while passive components do not.
• Active components require an external power source to function, such as transistors and integrated circuits.

• Passive components do not require an external power source, such as resistors and capacitors.

• Active components can control the flow of electricity, while passive components simply store or dissipate energy.

• Examples of active comp...read more
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Q3. What is the difference between resistance and capacitor?
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Resistance is the opposition to the flow of current in a circuit, while a capacitor stores and releases electrical energy.
• Resistance limits the flow of current, while a capacitor stores and releases charge.

• Resistance is measured in ohms, while capacitance is measured in farads.

• Examples of resistors include carbon film resistors, while examples of capacitors include ceramic capacitors.

• Resistance dissipates energy in the...read more
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Q4. What do you know about SMT ?
Ans. 
SMT stands for Surface Mount Technology, a method of electronic component assembly where components are mounted directly onto the surface of a printed circuit board (PCB).
• SMT components are smaller and lighter than through-hole components, allowing for higher component density on PCBs.

• SMT components are typically mounted using solder paste and reflow soldering techniques.

• SMT technology allows for automated assembly pro...read more
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C6h12o6 what's this is

Q1. Root 3 what is this
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Q2. 66 conversation for Roman number
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Q1. Auxin what is theis
Ans. 
Auxin is a plant hormone that regulates growth and development.
• Auxin is responsible for cell elongation and division in plants.

• It plays a role in phototropism, gravitropism, and apical dominance.

• Examples of auxin include indole-3-acetic acid (IAA) and synthetic auxins like 2,4-D.
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Q2. Iaa what is this
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Q1. Grade of concrete
Ans. 
Grade of concrete refers to its strength and durability.
• Grade of concrete is determined by its compressive strength.

• It is denoted by a number followed by 'M' (e.g. M20, M25).

• Higher grade concrete has higher strength and durability.

• Different grades of concrete are used for different purposes.

• For example, M20 grade is commonly used for residential construction.
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Q2. Mix design of concrete
Ans. 
Mix design of concrete involves determining the proportions of ingredients to achieve desired properties.
• Mix design is the process of determining the proportions of cement, water, aggregates, and admixtures in concrete.

• It involves considering factors such as strength, workability, durability, and economy.

• Various methods like the ACI method, British method, and DOE method can be used for mix design.

• The mix design proces...read more
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Q1. Status of my life style
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Q2. My behaviour and other
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Q1. What are doing in metro project
Ans. 
I am responsible for ensuring quality control and quality assurance in the construction of the metro project.
• Conducting inspections and tests on materials used in construction

• Ensuring compliance with project specifications and standards

• Identifying and resolving any quality issues that may arise

• Collaborating with project managers and contractors to maintain quality standards
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Q2. You know about pre casting
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Pre casting is a construction method where concrete elements are cast in a different location before being transported to the construction site.
• Pre casting helps in ensuring quality control and reducing construction time on site.

• Examples include precast concrete panels, beams, and columns.

• It allows for better planning and coordination of construction activities.
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Q1. About your experiences
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Q2. What you have do in your job
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Q3. Some technical questions from your job
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Q4. Is codes questions
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Q5. Share your experiences
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