TRL Krosaki Refractories Junior Technician Interview Questions, Process, and Tips

Q1. What is the mucromiter list count
Ans. 
The micrometer list count refers to the number of items or components listed in a micrometer measurement tool.
• The micrometer list count is the total number of items listed on a micrometer measurement tool

• It helps in accurately measuring the dimensions of small objects or components

• For example, a micrometer list count of 0.01mm indicates that the tool can measure up to 0.01mm precision
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Q2. What is the list count of varniya caliper
Ans. 
The list count of varniya caliper is typically 0, as varniya caliper is not a standard or commonly used tool in the field of measurement.
• Varniya caliper is not a standard tool in the field of measurement

• There is no specific list count for varniya caliper as it is not commonly used

• It is important to use standard calipers for accurate measurements
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Q3. Which material of drill bit
Ans. 
The material of the drill bit depends on the type of material being drilled and the desired outcome.
• Drill bits can be made of high-speed steel, cobalt steel, carbide, or diamond.

• High-speed steel drill bits are versatile and suitable for drilling wood, plastic, and soft metals.

• Cobalt steel drill bits are harder and more heat-resistant, making them ideal for drilling hard metals.

• Carbide drill bits are extremely hard and ...read more
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Q4. Types of center punch
Ans. 
Center punches are tools used to make small indentations in metal or other materials for drilling or marking purposes.
• Automatic center punch: Spring-loaded for easy one-handed operation

• Manual center punch: Requires a hammer to create the indentation

• Transfer punch: Used for transferring hole locations from one material to another

• Prick punch: Has a sharper point for more precise marking
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Q5. What types extrusion press
Ans. 
Extrusion presses are used to create products with a consistent cross-sectional profile by forcing material through a die.
• There are different types of extrusion presses based on the method of operation, such as direct extrusion press, indirect extrusion press, and impact extrusion press.

• Direct extrusion presses push the material through the die using a ram, while indirect extrusion presses pull the material through the...read more
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Q6. Center punch and dot punch angle
Ans. Center punch angle 90 Dot punch angle 60
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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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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
Ans. 
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. Question related to Electrical maintenance
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Q1. Why do u like to change? how vedanta is different from HINDALCO? What is proud moments for you in last company?
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Q1. Know about lead industry
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Q1. Genaral questions about pas work experience
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Q1. Questions related to work were asked and personal family details were also asked
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Q1. About compensation and time of joining only
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