Kerakoll Maintenance Engineer Interview Questions and Answers

Q1. Cement test , cement manufacturers
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Technical, English, reasoning

Q1. Design mix, types of cracks
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Q1. Market potential
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The market potential for the Senior Engineer role is high due to increasing demand for skilled professionals in the industry.
• Growing demand for senior engineers in various industries

• Increasing adoption of technology and digital transformation

• Emerging markets and new opportunities

• Expanding job market and career growth prospects
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Q1. What you expect from our company
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Q1. 1.Definition of electrical protection, motor maintenance, inventory planning 2. PAT Scheme
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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. Pipline, laying and jointing, trench excavation and restoration and testing, different type of pipes and class, specification of trench and bach filling
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Q2. Different types of pipes
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There are various types of pipes used in construction such as PVC, HDPE, GI, CPVC, PEX, etc.
• PVC pipes are commonly used for water supply and drainage systems

• HDPE pipes are used for gas and water supply systems

• GI pipes are used for water supply and irrigation systems

• CPVC pipes are used for hot and cold water supply systems

• PEX pipes are used for radiant heating and cooling systems
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Q3. Specification of trench
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Trench specification includes depth, width, slope, and backfill material.
• Depth of trench should be as per design and should not exceed the specified limit.

• Width of trench should be sufficient for workers to move and work comfortably.

• Slope of trench should be maintained to prevent collapse and ensure worker safety.

• Backfill material should be of appropriate quality and compacted properly.

• Trench should be properly marked
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Q4. Hydrotesting of pipeline
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Hydrotesting is a process of testing pipelines for leaks and strength by filling them with water or other fluids.
• The pipeline is filled with water or other fluids under pressure to check for leaks.

• The pressure is maintained for a specified duration to check the strength of the pipeline.

• The test is conducted before the pipeline is put into service to ensure its integrity.

• Hydrotesting is also done periodically to check f...read more
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Hydrtesting of pipeline, construction of Ground level reservior and installation of specialis

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Q1. Manufacturing process
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Q1. Everything about my previous experience.
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Theory Questions based on your profile or Civil Engineering

Q1. 1 Cubes Casting Process Slump cone Testing Chemical and Physical properties of cement Types of cement and their differentiation
Ans. 
The question covers topics related to cubes casting process, slump cone testing, chemical and physical properties of cement, and types of cement.
• Cubes casting process involves preparing concrete cubes and curing them for a specified period of time before testing their strength.

• Slump cone testing is used to measure the consistency and workability of fresh concrete.

• Chemical and physical properties of cement include setti...read more
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Q2. Cube Casting Processes
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Q3. Slump cone process of cement
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Slump cone process is used to measure the consistency of cement.
• A slump cone is filled with freshly mixed cement.

• The cone is lifted and the cement is allowed to settle.

• The difference in height between the original height of the cone and the settled height is measured.

• This difference is called the slump and is an indication of the consistency of the cement.

• The higher the slump, the more workable the cement is.
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