XL Technologies Interview Questions and Answers

Q1. 1) overhauling of maintenance. 2) what is the function of cooling tower.
Ans. 
A cooling tower is a device used to remove heat from a building or industrial process.
• The function of a cooling tower is to cool down water or other fluids by extracting heat from them.

• Cooling towers are commonly used in HVAC systems, power plants, and industrial processes.

• They work by evaporating a small portion of the water, which removes heat and cools down the remaining water.

• The cooled water is then circulated bac...read more
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Q2. How to dismental of boiler feed pump
Ans. 
To dismantle a boiler feed pump, follow these steps
• Isolate the pump from the power source and drain the water from the system

• Remove the coupling and motor from the pump

• Disconnect the suction and discharge piping from the pump

• Remove the bolts and nuts that hold the pump casing together

• Lift the casing off the pump and remove the impeller and shaft

• Inspect and clean all parts before reassembling or replacing
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Q1. All questions related to foundry
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Q2. And machine shop and patterns making
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Q1. Pellet plant maintenance work
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Q2. Pellet plant working procedure
Ans. 
Pellet plant is a facility that transforms raw materials into pellets through a series of processes like grinding, drying, and compressing.
• Raw materials such as wood chips or sawdust are fed into the plant

• The raw materials are ground into a fine powder

• The powder is then dried to remove moisture

• The dried powder is compressed into pellets using a pellet press

• The pellets are cooled and screened to ensure quality

• The final ...read more
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Q3. Cooler car plate replacement work
Ans. 
Replacing cooler car plates involves removing old plates, cleaning the area, and installing new plates securely.
• Remove old cooler car plates carefully to avoid damaging surrounding components

• Clean the area thoroughly before installing new plates to ensure proper adhesion

• Securely install new cooler car plates to prevent any leaks or malfunctions
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Q4. Kil girth gear reverse process
Ans. 
The reverse process of kiln girth gear involves disassembling, inspecting, repairing, and reassembling the gear to ensure proper functioning.
• Disassemble the girth gear carefully to inspect for any damage or wear

• Repair or replace any worn or damaged components

• Reassemble the gear ensuring proper alignment and torque specifications

• Perform testing to ensure the gear functions correctly after reassembly
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They ask questions from all the aptitude topics and the level is medium

They first gave 20 SQL Questions and 2 coding questions

Percentage, profit loss, logical reasoning

It consists of verbal and mathematical problems, with a duration of one and a half hours, which can be easily solved.

The moderate level of programming consists of multiple-choice questions (MCQs) and includes two programs focused on string and number operations.