Intertek Site Engineer Interview Questions and Answers

HDPE pipes are joined using various methods including butt fusion, electrofusion, and mechanical joining.

• Butt fusion involves heating the ends of two pipes and then pressing them together to form a permanent joint.

• Electrofusion uses a special fitting with embedded heating elements to melt the pipe ends together.

• Mechanical joining methods include compression fittings, flange connections, and push-fit fittings.

• The time i...read more

Hydrotesting is a process of testing the integrity of OHRS using water or other fluids under pressure.

• OHRS stands for Offshore Helicopter Refuelling System

• Hydrotesting is done to ensure that the system can withstand the required pressure and is free from leaks

• The test involves filling the system with water or other fluids and pressurizing it to a certain level for a specified duration

• During the test, any leaks or weakn...read more

The question is about symbols, types of pole, principle of rectifier and its working.

• Symbols used in electrical engineering include resistor, capacitor, inductor, etc.

• Types of poles include north and south poles in magnets and positive and negative poles in batteries.

• The principle of rectifier is to convert AC to DC.

• Rectifiers can be half-wave or full-wave.

• Working of rectifier involves the use of diodes to allow curren