HPLNG Interview Questions, Process, and Tips

The safety watch plays a crucial role in ensuring the safety of workers during confined space jobs.

• The safety watch is responsible for continuously monitoring the workers inside the confined space.

• They must be trained in rescue procedures and have the necessary equipment to respond in case of an emergency.

• The safety watch should maintain communication with the workers inside the confined space and be prepared to initia...read more

Alignment of pump and motor is done using various methods.

• One method is the straight edge method, where a straight edge is used to align the pump and motor shafts.

• Another method is the dial indicator method, where a dial indicator is used to measure the misalignment and make adjustments.

• Laser alignment is a modern method that uses laser technology to align the pump and motor shafts with high precision.

• Alignment can als...read more

Different types of gaskets and valves used in a plant.

• Gaskets: Spiral wound gaskets, Ring joint gaskets, Sheet gaskets

• Valves: Gate valves, Globe valves, Ball valves, Butterfly valves

• Examples: Spiral wound gaskets are used for high-pressure applications, gate valves are used for on/off control

Reciprocating compressors are used in various industries for gas compression. Troubleshooting involves identifying and resolving issues with valves, pistons, and lubrication.

• Reciprocating compressors use pistons to compress gas.

• Common issues include valve leakage, piston ring wear, and inadequate lubrication.

• Troubleshooting involves inspecting and repairing valves, replacing worn piston rings, and ensuring proper lubri...read more