Dalmia Bharat Cement Project Engineer Mechanical Interview Questions and Answers

Q1. Explain what is basic hydraulic in details.
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Q2. Types Of gear and Function also
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Q1. How can find gear backless and calculate gear ratio.
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Q1. About working PM and Breakdown.
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Q2. Manpower management
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Q1. CTC and notice period
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Q2. Expected CTC
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Q1. How does the Differential work.
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The differential is a device that allows the wheels on an axle to rotate at different speeds while still receiving power from the engine.
• Allows wheels on the same axle to rotate at different speeds

• Transfers power from the engine to the wheels

• Helps with cornering by allowing the outer wheel to rotate faster than the inner wheel

• Consists of gears that distribute power evenly to the wheels
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Q2. How to work Dumper Cooling system.
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The dumper cooling system is responsible for maintaining the optimal temperature of the dumper to prevent overheating.
• Regularly check the coolant levels and top up if necessary.

• Inspect the radiator for any leaks or damage.

• Clean the radiator fins to ensure proper airflow.

• Monitor the temperature gauge regularly while operating the dumper.

• If the dumper overheats, stop immediately and allow it to cool down before continuin
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Q3. How to work, work permit system during maintenance activities.
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Work permit system is a formal process to ensure safety during maintenance activities.
• Obtain necessary permits before starting any maintenance work.

• Identify potential hazards and implement necessary safety measures.

• Communicate with all involved parties about the work being done and safety precautions.

• Regularly review and update work permits as needed.

• Examples: hot work permit, confined space entry permit, electrical wo
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Q4. Which grade oil is used in Hydraulic system.
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The grade of oil used in a hydraulic system depends on the system's requirements and manufacturer recommendations.
• The grade of oil used in a hydraulic system is typically specified by the system manufacturer.

• Common grades of hydraulic oil include ISO VG 32, ISO VG 46, and ISO VG 68.

• The grade of oil chosen should meet the viscosity and performance requirements of the hydraulic system.

• Using the wrong grade of oil can lea...read more
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Q1. Why welding is important?
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Welding is important for joining metal components together in various industries.
• Welding is essential for constructing buildings, bridges, and pipelines.

• It is crucial in manufacturing industries for assembling machinery and equipment.

• Welding is used in automotive industry for fabricating car frames and components.

• It plays a key role in aerospace industry for building aircraft and spacecraft.

• Welding is also important in...read more
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Q2. Which meterial commonly used welding?
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Commonly used welding materials include steel, aluminum, and stainless steel.
• Steel is commonly used in welding due to its strength and versatility.

• Aluminum is often used for its lightweight properties and resistance to corrosion.

• Stainless steel is popular for its durability and ability to withstand high temperatures.
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Q1. What is thermal expansion .
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Q2. What is density.
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Q3. What is surface tension.
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Q1. About candidate
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Q1. What your learn
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Q2. And asking about subject
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Q1. About crusher type model, make general maintenance About compressor, water pump. About raw mill model, make & general maintenance schedule
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How to do preventive maint.

Breakdown cost for plant