Puma Energy Business Process Analyst Interview Questions and Answers

Relief devices are safety devices used to protect equipment and personnel from overpressure situations.

• Types include pressure relief valves, rupture discs, and safety valves

• Pressure relief valves are the most common type and operate by opening to release excess pressure

• Rupture discs are non-reclosing devices that burst at a predetermined pressure to relieve pressure

• Safety valves are similar to pressure relief valves bu...read more

Relief devices such as Conventional, Balance bellow, and Pilot operated are used in process engineering to protect equipment from overpressure.

• Conventional relief devices are simple and rely on a spring-loaded mechanism to relieve pressure.

• Balance bellow relief devices use a bellows to balance the pressure on both sides of the valve, allowing for accurate pressure relief.

• Pilot operated relief devices use a pilot valve ...read more

Velocity change affects flow in a venturimeter.

• As velocity increases, pressure decreases and vice versa.

• Flow rate is directly proportional to the square root of pressure difference.

• Venturimeter is used to measure flow rate in pipes.

• Flow rate can be calculated using Bernoulli's equation.

PFR is better for zero order reaction as it maintains constant concentration throughout the reactor.

• PFR maintains constant concentration throughout the reactor

• CSTR may result in concentration gradients

• PFR is more efficient for zero order reactions

• CSTR may be more suitable for reactions with changing rate constants