BHEL Apprenticeship Trainee Interview Questions and Answers

Q1. What is nickel plating
Ans. 
Nickel plating is a process of electroplating a layer of nickel onto a metal surface to enhance its appearance, corrosion resistance, and durability.
• Nickel plating involves immersing the metal object in a solution containing nickel ions and applying an electric current to deposit a layer of nickel onto the surface.

• It is commonly used to protect metal objects from corrosion and wear, as well as to improve their aestheti...read more
Answered by AI
Add your answer
Q2. What is cadmium plating
Ans. 
Cadmium plating is a process of electroplating a thin layer of cadmium onto a metal surface to provide corrosion resistance and improve lubricity.
• Cadmium plating is commonly used in aerospace and military applications.

• It is known for its excellent corrosion resistance, especially in saltwater environments.

• Cadmium plating also offers good lubricity, making it suitable for moving parts.

• The process involves immersing the ...read more
Answered by AI
Add your answer

EASY AND BASIC QUESTION FROM AGE , PROBABILITY AND STATS

Q1. LAWS OF THERMODYNAMICS?
Ans. 
The laws of thermodynamics describe the fundamental principles governing energy and its transformations.
• The first law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted.

• The second law of thermodynamics states that the entropy of an isolated system always increases over time.

• The third law of thermodynamics states that as temperature approaches absolute zero, the entropy of...read more
Answered by AI
Add your answer
Q2. Difference between ic and si engine
Ans. 
IC engines are internal combustion engines that burn fuel inside the engine, while SI engines are spark ignition engines that use a spark plug to ignite the fuel-air mixture.
• IC engines burn fuel inside the engine, while SI engines use a spark plug to ignite the fuel-air mixture

• IC engines are commonly used in automobiles, motorcycles, and small aircraft

• SI engines are commonly used in cars, trucks, and motorcycles

• IC engi...read more
Answered by AI
Add your answer