Gujarat Public Service Commission Assistant Engineer Mechanical Interview Questions and Answers

Stability refers to the ability of a structure to maintain its position and shape, while strength refers to the ability of a material to withstand applied forces without failing.

• Stability is crucial in structures like buildings and bridges to prevent collapse.

• Strength is important in materials like steel and concrete to ensure they can support heavy loads.

• Stability can be achieved through proper design and distribution...read more

Engines can be classified based on various factors such as fuel type, number of strokes, and arrangement of cylinders.

• Based on fuel type: petrol engine, diesel engine, gas engine, etc.

• Based on number of strokes: two-stroke engine, four-stroke engine.

• Based on arrangement of cylinders: inline engine, V engine, boxer engine.

• Based on cooling method: air-cooled engine, liquid-cooled engine.

Different welding techniques include MIG, TIG, stick, and flux-cored welding.

• MIG (Metal Inert Gas) welding uses a wire electrode and shielding gas.

• TIG (Tungsten Inert Gas) welding uses a tungsten electrode and inert gas.

• Stick welding, also known as Shielded Metal Arc Welding (SMAW), uses a flux-coated electrode.

• Flux-cored welding uses a tubular wire filled with flux to protect the weld.