Petronas Mechanical Technician Interview Questions and Answers

In case of an emergency, I would remain calm, assess the situation, and take appropriate action to ensure the safety of all individuals involved.

• Remain calm and assess the situation quickly

• Follow emergency protocols and procedures

• Ensure the safety of all individuals involved

• Contact emergency services if necessary

• Provide first aid or medical assistance if trained to do so

I have experience working on projects involving welding and applying GD&T principles.

• Completed a project where I designed and welded a steel frame for a small vehicle

• Utilized GD&T principles to ensure precise measurements and tolerances in a project involving machining parts for an assembly line

• Familiar with interpreting engineering drawings and applying GD&T symbols accurately

The number of stages of turbine blades varies depending on the specific turbine design and application.

• Turbine blades are used in various applications such as gas turbines, steam turbines, and wind turbines.

• The number of stages in a turbine refers to the number of sets of rotating and stationary blades.

• Each stage of turbine blades helps to extract energy from the fluid passing through the turbine.

• Gas turbines typically...read more

The total number of bearings in a turbine varies depending on its design and size.

• The number of bearings in a turbine can range from a few to several dozen.

• The main purpose of bearings in a turbine is to support rotating components and reduce friction.

• Different types of bearings, such as ball bearings or roller bearings, may be used in a turbine.

• Large turbines, such as those used in power plants, typically have more be...read more

Steam enters the turbine at the high-pressure stage.

• Steam enters the turbine at the high-pressure stage to maximize energy extraction.

• The high-pressure steam is directed into the turbine blades, causing them to rotate.

• The steam then passes through multiple stages of the turbine, gradually losing pressure and expanding.

• At each stage, the steam's energy is converted into mechanical work to drive the turbine.

• Finally, the ...read more

Yield strength is the stress at which a material begins to deform plastically, while ultimate strength is the maximum stress a material can withstand before breaking.

• Yield strength is the point where a material starts to deform plastically, meaning it will not return to its original shape once the stress is removed.

• Ultimate strength is the maximum stress a material can withstand before it breaks or fractures.

• Yield stre...read more