Senior Mechanical Officer Interview Questions and Answers

The firing order of a 4-stroke engine is the sequence in which each cylinder fires.

• The firing order is determined by the engine design and is usually specified in the engine manual.

• It is important to know the firing order to ensure proper ignition timing and smooth engine operation.

• The firing order can be different for different engine configurations, such as inline, V, or flat engines.

• For example, in a typical inline 4-cylinder engine, the firing order is 1-3-4-2, which mean...read more

The 3 basic constituents of lubricant are base oil, additives, and thickeners.

• Base oil: It provides lubrication and reduces friction between moving parts.

• Additives: These enhance the performance and properties of the lubricant, such as anti-wear, anti-foam, and corrosion inhibitors.

• Thickeners: They give the lubricant its desired consistency and help it adhere to surfaces.

• Examples: Base oils can be mineral oils, synthetic oils, or vegetable oils. Additives can include detergen...read more