Calderys India Refractories Senior Electrician Interview Questions and Answers

Q1. Stator drive motors etc
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Q1. Dg set earthing temperature controller
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Q1. What is refractories
Ans. 
Refractories are materials that can withstand high temperatures and are used in furnaces, kilns, and other high-temperature applications.
• Refractories are made from materials such as clay, silica, alumina, and magnesia.

• They are used to line furnaces, kilns, and other high-temperature equipment to protect them from heat and corrosion.

• Refractories are classified based on their chemical composition, physical properties, an...read more
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Q2. How many types refractories
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There are three types of refractories: acidic, basic, and neutral.
• Refractories are materials that can withstand high temperatures and are used in furnaces, kilns, and other high-temperature applications.

• Acidic refractories are made of materials like silica and alumina and are used in acidic environments.

• Basic refractories are made of materials like magnesia and dolomite and are used in basic environments.

• Neutral refrac...read more
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All type crusher equipment sarvice

All type crusher equipment sarvice

Q1. Types of crusher ,and plant
Ans. 
There are various types of crushers and plants used in industries for crushing and processing materials.
• Types of crushers include jaw crushers, cone crushers, impact crushers, and gyratory crushers.

• Plants used for crushing and processing materials include stationary plants, portable plants, and mobile plants.

• Crushers and plants are used in industries such as mining, construction, and recycling.
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Q2. Types of tools and Tourq
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Tools are classified into hand tools, power tools, cutting tools, measuring tools, and torque wrenches are used to apply a specific amount of torque to a fastener.
• Hand tools include hammers, screwdrivers, pliers, wrenches, etc.

• Power tools include drills, saws, sanders, grinders, etc.

• Cutting tools include scissors, knives, shears, etc.

• Measuring tools include rulers, tape measures, calipers, etc.

• Torque wrenches are used ...read more
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Q3. Nut and bolt types
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Q4. Types of washers
Ans. 
Washers are thin plates with a hole in the center used to distribute load and prevent damage to surfaces.
• Flat washers: used to distribute load and prevent damage to surfaces

• Lock washers: used to prevent nuts and bolts from loosening

• Spring washers: used to absorb shock and vibration

• Belleville washers: used to compensate for thermal expansion or contraction

• Wave washers: used to provide flexibility and prevent loosening

• C-
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Q5. Types of spaner
Ans. 
Spanners are tools used to tighten or loosen nuts and bolts. There are various types of spanners available for different purposes.
• Open-end spanner

• Ring spanner

• Combination spanner

• Adjustable spanner

• Pipe wrench

• Socket wrench

• Torque wrench
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Q1. Say something about press filter
Ans. 
Press filter is a device used for separating solids from liquids.
• It works by applying pressure to the mixture to force the liquid through a filter media while retaining the solids.

• It is commonly used in industries such as chemical, pharmaceutical, and food processing.

• Examples of press filters include belt filter press, plate and frame filter press, and rotary vacuum-drum filter.

• Press filters are efficient and cost-effe...read more
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Q2. How to maintain pressure in press filter
Ans. 
To maintain pressure in press filter, ensure proper sealing, check for leaks, and adjust feed rate and pressure settings.
• Check for proper sealing of the filter plates and gaskets

• Inspect for any leaks in the system and repair them promptly

• Adjust the feed rate and pressure settings as per the manufacturer's recommendations

• Regularly clean and maintain the filter to prevent clogging and pressure drop

• Monitor the pressure ga...read more
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Q3. What is the model of hydraulic cylinder in press filter
Ans. 
The model of hydraulic cylinder in press filter depends on the specific press filter being used.
• The model of hydraulic cylinder can vary depending on the size and capacity of the press filter.

• Some common models of hydraulic cylinders used in press filters include tie rod cylinders and welded cylinders.

• The specific model of hydraulic cylinder used in a press filter can be determined by consulting the manufacturer's spec...read more
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Q4. Which type bearing use in bogie wheel
Ans. 
Roller bearings are commonly used in bogie wheels.
• Roller bearings are preferred over plain bearings due to their ability to handle heavy loads and reduce friction.

• Tapered roller bearings are commonly used in locomotive bogie wheels.

• Cylindrical roller bearings are also used in some bogie wheels.

• The type of bearing used depends on the specific application and load requirements.
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Q1. Previous experience and projects and basic questions on the expected role
Ans. Answered honestly on what I did on previous role and answered some situational questions..few were corrected by the manager and gave suggestions to make it better answer
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Q1. More on situational based questions
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Q1. Work profile related
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