JCB Electrical Design Engineer Interview Questions and Answers

MCB stands for Miniature Circuit Breaker. It is a type of electrical protection device that automatically switches off electrical circuits during abnormal conditions.

• MCB is used to protect electrical circuits from overloads and short circuits.

• It is a more convenient and reliable alternative to fuses.

• MCBs come in different ratings to suit different electrical loads.

• They can be easily reset after tripping, unlike fuses w...read more

Mcb is used for safety in both homes and companies. Safety wiring is essential for preventing electrical hazards.

• Mcb (Miniature Circuit Breaker) is used in homes and companies to protect electrical circuits from overloads and short circuits.

• Safety wiring, such as grounding wires and proper insulation, is crucial for preventing electrical shocks and fires.

• Proper installation and maintenance of Mcbs and safety wiring are...read more

Maintenance work often requires the use of various tools and equipment.

• Maintenance work may involve using tools such as screwdrivers, wrenches, pliers, multimeters, and power drills.

• Different tools are used for different tasks, such as testing electrical circuits, tightening bolts, or replacing components.

• Regular maintenance of equipment may require specialized tools specific to the machinery being serviced.

• Proper tool...read more

Maintenance work often involves using electrical equipment such as tap cutters.

• Regularly inspecting and cleaning electrical equipment to ensure proper functioning

• Replacing worn out parts or components as needed

• Testing equipment after maintenance to ensure it is working correctly

• Following safety procedures when working with electrical equipment

• Keeping a record of maintenance work done on each piece of equipment