ROCKWOOL Quality Controller Interview Questions and Answers

Q1. What are your salary expectations?
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Q2. Why should we hire you?
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Q3. What are your strengths and weaknesses?
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Q4. Tell me about yourself.
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Q1. 1.Definition of electrical protection, motor maintenance, inventory planning 2. PAT Scheme
Ans. 
Electrical protection, motor maintenance, inventory planning, and PAT Scheme are important aspects of maintenance management.
• Electrical protection involves measures taken to prevent electrical hazards and ensure safety of personnel and equipment.

• Motor maintenance includes regular inspection, cleaning, and lubrication of motors to ensure their efficient functioning.

• Inventory planning involves managing inventory levels t...read more
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Q2. Erection of 132KV Switchyard
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Erection of 132KV Switchyard
• Ensure proper foundation and earthing

• Install switchgear and transformers

• Test and commission the switchyard

• Ensure compliance with safety regulations

• Maintain and repair equipment as needed
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Q1. General questions
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Q1. Technical Test and product test
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Q1. Deep knowledge of Market
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Level was good

Q1. Pyro process effecting factors Cost reduction ideas Losses reduction activity in process Excell based tricks
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Q1. About the structure design, RCC nd steel design
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Q2. About deck foundation
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Q3. About detalling of RCC beam nd slab
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Q4. About foundation design
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Q5. About steel truss design
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Q1. Brief about previous work experience
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Q2. Questions regarding technical knowledge
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Q1. Discussion regarding salary
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Q1. What is the concrete
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Concrete is a strong and durable building material made from a mixture of cement, sand, gravel, and water.
• Concrete is commonly used in construction for buildings, roads, bridges, and more

• It is known for its strength, durability, and versatility

• The ingredients of concrete include cement, sand, gravel, and water

• Concrete can be poured into molds to create various shapes and structures
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Q2. How admixture work in concrete and different type of admixture and its uses.
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Admixtures are added to concrete to alter its properties or enhance its performance. They can improve workability, durability, and strength.
• Admixtures are added to concrete during mixing to modify its properties.

• Types of admixtures include water-reducing, air-entraining, accelerating, retarding, and plasticizers.

• Water-reducing admixtures improve workability and reduce water content.

• Air-entraining admixtures create smal...read more
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Q3. Properties of construction materials
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Construction materials have various properties that affect their performance and durability.
• Strength: Ability to withstand loads without breaking or deforming (e.g. concrete, steel)

• Durability: Resistance to wear, weathering, and deterioration over time (e.g. brick, stone)

• Density: Mass per unit volume, affects weight and insulation properties (e.g. wood, foam)

• Thermal conductivity: Ability to conduct heat, important for ...read more
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Q4. How to do mix design for different grade.
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Mix design for different grade involves determining the proportions of materials to achieve desired concrete properties.
• Identify the required grade of concrete based on project specifications.

• Select suitable materials such as cement, aggregates, and water.

• Calculate the mix proportions based on desired strength and workability.

• Perform trial mixes and adjust proportions as needed.

• Test the concrete for desired properties ...read more
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Q1. What are your interests
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Q2. Your favourite subject
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My favorite subject is mathematics.
• I enjoy solving complex equations and puzzles.

• I find satisfaction in finding logical solutions.

• Mathematics helps develop critical thinking and problem-solving skills.
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