Thejo Engineering Senior Operator Interview Questions, Process, and Tips

Heat exchangers are devices that transfer heat between two or more fluids.

• They are used in various industries such as HVAC, chemical, and power generation.

• Heat exchangers can be classified into different types such as shell and tube, plate and frame, and finned tube.

• They work on the principle of thermal conductivity and convection.

• Examples of heat exchangers include radiators in cars, air conditioning systems, and boil...read more

Before starting water pumps, certain checks and preparations need to be made.

• Check the water level in the source tank

• Ensure that the suction and discharge valves are open

• Inspect the pump and motor for any visible damage or leaks

• Prime the pump if necessary

• Check the electrical connections and power supply

• Start the pump and monitor for any abnormalities

I will immediately stop the conveyor belt and assess the damage. Then, I will either repair or replace the damaged parts.

• Stop the conveyor belt immediately

• Assess the damage to determine the extent of repairs needed

• Repair or replace the damaged parts

• Ensure the conveyor belt is functioning properly before resuming operations

Pulleys are simple machines that make work easier by changing the direction or magnitude of a force.

• Fixed pulley

• Movable pulley

• Compound pulley

• Block and tackle pulley

• Jockey pulley

Regular cleaning, inspection, and maintenance are necessary to keep the slurry tank in good condition.

• Clean the tank regularly to prevent buildup of solids and debris.

• Inspect the tank for any signs of damage or leaks.

• Check the agitator and pump regularly to ensure they are functioning properly.

• Maintain proper pH levels to prevent corrosion.

• Replace any worn or damaged parts as needed.

• Keep the tank covered to prevent con...read more