Shell Senior Business Administration Executive Interview Questions and Answers

Mineral oil is a clear, colorless, odorless, and tasteless oil derived from petroleum.

• Mineral oil is commonly used in cosmetics, pharmaceuticals, and as a lubricant.

• It is often used as a laxative to relieve constipation.

• Mineral oil can also be found in baby oil and various skincare products.

• It is important to note that mineral oil should not be ingested in large quantities as it can cause health issues.

Lubricants are substances used to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated when the surfaces move.

• Lubricants can be in the form of oils, greases, or solid lubricants.

• They are used in various industries such as automotive, manufacturing, and aerospace.

• Lubricants help to extend the lifespan of machinery by reducing wear and tear on moving parts.

• They also help to impr...read more

MCO, PCMO, and CVO lubricants are different types of lubricants used in various industries for different purposes.

• MCO stands for Marine Cylinder Oil, used in marine engines to reduce friction and wear.

• PCMO stands for Passenger Car Motor Oil, used in automotive engines to lubricate moving parts and reduce heat.

• CVO stands for Commercial Vehicle Oil, used in heavy-duty vehicles like trucks and buses to provide lubrication...read more

Lubricants 20w40 and 10w30 differ in their viscosity grades, with 20w40 being thicker and better suited for high temperatures.

• 20w40 has a higher viscosity grade compared to 10w30

• 10w30 is thinner and flows more easily in cold temperatures

• 20w40 is better suited for high temperature environments

• 10w30 may provide better fuel economy due to lower viscosity

15w40 and 5w30 are different types of lubricants used in vehicles, with varying viscosity and temperature ranges.

• 15w40 has a higher viscosity compared to 5w30

• 5w30 is better suited for colder temperatures due to its lower viscosity

• 15w40 is commonly used in diesel engines while 5w30 is used in gasoline engines