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Thermax Limited
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I applied via Company Website and was interviewed in Apr 2024. There was 1 interview round.
Bearing failure can be caused by factors such as improper lubrication, contamination, overloading, misalignment, and poor installation.
Improper lubrication can lead to increased friction and wear on the bearing surfaces.
Contamination from dirt, debris, or moisture can cause abrasion and corrosion, leading to premature failure.
Overloading the bearing beyond its capacity can cause excessive stress and fatigue.
Misalignmen...
The gearbox is a mechanical device that transmits power from the engine to the wheels of a vehicle, allowing for different speeds and torque ratios.
The gearbox contains gears of different sizes that mesh together to change the speed and torque of the vehicle.
It is typically located between the engine and the driveshaft.
Gearboxes can be manual or automatic, with manual gearboxes requiring the driver to shift gears manua...
PLC is a hardware device that controls processes, while SCADA is a software system that monitors and controls processes.
PLC is a programmable logic controller used to control industrial processes.
SCADA is a supervisory control and data acquisition system used to monitor and control processes.
PLC is hardware-based, while SCADA is software-based.
PLC is typically used for controlling specific tasks within a process, while...
PLC stands for Programmable Logic Controller and Scada stands for Supervisory Control and Data Acquisition.
PLC is a hardware device used to control industrial processes.
Scada is a software system used for monitoring and controlling processes in industries.
PLC and Scada are often used together in industrial automation systems.
Example: PLC can control the operation of a conveyor belt in a manufacturing plant, while Scada...
Vivrofeeder is a device used in biotechnology for automated feeding of cell cultures in bioreactors.
Vivrofeeder is designed to provide nutrients and maintain optimal conditions for cell growth in bioreactors.
It helps in reducing manual labor and ensuring consistent feeding schedules.
Vivrofeeder can be programmed to dispense specific amounts of nutrients at set intervals.
Examples of nutrients dispensed by Vivrofeeder in...
HPP in SCR stands for High Pressure Pump.
HPP is a crucial component in a Selective Catalytic Reduction (SCR) system.
It is responsible for pumping the diesel exhaust fluid (DEF) into the exhaust stream to reduce harmful emissions.
Examples of HPP brands include Bosch, Delphi, and Cummins.
There are various types of belts used in engineering, such as V-belts, timing belts, flat belts, and conveyor belts.
V-belts are commonly used for power transmission in machinery.
Timing belts are used to synchronize the rotation of the crankshaft and camshaft in an engine.
Flat belts are used for conveying loads over long distances.
Conveyor belts are used for moving materials in industrial settings.
Jira is a project management tool used for tracking and managing tasks and workflows.
Jira is a popular project management software that helps teams track and manage their work.
It allows users to create tasks, assign them to team members, set deadlines, and track progress.
Jira uses a system of boards, lists, and cards to organize tasks and workflows.
Users can customize Jira to fit their team's specific needs and workflo...
Bed coil leakages in AFBC boiler
Interlocks in a boiler turbine are safety mechanisms that prevent unsafe conditions and protect equipment.
Interlocks ensure proper sequencing of operations in the boiler turbine
They prevent unsafe conditions such as overpressure, low water level, or flame failure
Examples of interlocks include low water level shutdown, high steam pressure trip, and flame failure detection
Interlocks help protect equipment from damage and
Thermax Limited interview questions for popular designations
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I applied via Job Fair
Boilers can be classified into different types based on their design, fuel source, and application.
Fire-tube boilers: Water is inside the tubes and hot gases surround them. Example: Scotch marine boiler.
Water-tube boilers: Water flows through tubes and hot gases surround them. Example: Babcock and Wilcox boiler.
Electric boilers: Heat is generated using electricity. Example: Electric steam boiler.
Condensing boilers: Ext...
Blow down rate in cooling tower is the rate at which water is discharged to prevent buildup of impurities and maintain water quality.
Blow down rate is typically expressed as a percentage of the total flow rate through the cooling tower.
It helps in controlling the concentration of dissolved solids in the water to prevent scaling and corrosion.
Higher blow down rates can lead to increased water consumption and operating c...
Boilers can be classified into different types based on their design, fuel type, and usage.
Fire-tube boilers - water surrounds the tubes through which hot gases pass
Water-tube boilers - water flows inside the tubes while hot gases surround them
Electric boilers - use electricity to generate heat instead of burning fuel
Condensing boilers - highly efficient boilers that extract heat from exhaust gases
Combi boilers - combi...
I applied via Job Portal
I have worked on various projects including developing a mobile app for tracking fitness goals and creating a website for a local non-profit organization.
Developed a mobile app for tracking fitness goals using React Native and Firebase
Created a website for a local non-profit organization using HTML, CSS, and JavaScript
Collaborated with a team to implement new features and fix bugs in existing projects
Internships are short-term work experiences that allow students or recent graduates to gain practical skills and knowledge in a specific field.
Internships provide hands-on experience in a real-world work environment.
They help students or recent graduates apply their academic knowledge to practical situations.
Internships can lead to job offers or valuable networking opportunities.
Some internships are paid, while others ...
Boiler efficiency can be calculated by measuring the heat input and heat output of the boiler.
Calculate the heat input by measuring the fuel flow rate, fuel calorific value, and fuel consumption.
Calculate the heat output by measuring the steam flow rate and steam enthalpy.
Direct efficiency = (Heat output / Heat input) * 100%
Indirect efficiency = Direct efficiency * Boiler efficiency of other components (like economizer
The monthly maintenance cost of my section is approximately $10,000.
The monthly maintenance cost includes expenses for spare parts, labor, equipment rental, and utilities.
Regular maintenance tasks such as lubrication, inspections, and repairs contribute to the overall cost.
Cost may vary depending on the size of the section, age of equipment, and frequency of maintenance activities.
I applied via Company Website and was interviewed in Mar 2024. There was 1 interview round.
I applied via Naukri.com and was interviewed in Feb 2024. There was 1 interview round.
RTD measures temperature using resistance change, while thermocouple uses voltage change.
RTD stands for Resistance Temperature Detector, while thermocouple generates voltage based on temperature difference.
RTDs are more accurate and stable compared to thermocouples.
RTDs have higher initial cost but lower long-term maintenance cost.
Thermocouples are more rugged and can withstand higher temperatures than RTDs.
Example: RT...
PLC and DCS systems are control systems used in industrial automation to monitor and control processes.
PLC stands for Programmable Logic Controller, used for controlling machinery and processes in manufacturing.
DCS stands for Distributed Control System, used for controlling complex processes across multiple locations.
PLCs are typically used for discrete control applications, while DCS systems are used for continuous co...
AC and DC drives are types of electrical drives used to control the speed and torque of electric motors.
AC drive controls the speed of an AC motor by varying the frequency of the electrical supply.
DC drive controls the speed of a DC motor by varying the voltage supplied to the motor.
AC drives are more commonly used in industrial applications due to their efficiency and flexibility.
DC drives are often used in applicatio...
4 wire and 2 wire are configurations used in electrical circuits for measuring resistance.
4 wire configuration is used for accurate resistance measurements by eliminating lead resistance
2 wire configuration is simpler but less accurate due to lead resistance affecting measurements
Examples: 4 wire used in precision instruments like multimeters, 2 wire used in basic circuit testing
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The duration of Thermax Limited interview process can vary, but typically it takes about less than 2 weeks to complete.
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