upGrad Senior Electrical Technician Interview Questions and Answers

UPS, transformer materials, circuit breakers, and substation equipment are all important components of electrical maintenance.

• UPS (Uninterruptible Power Supply) provides backup power in case of power outages.

• Transformer materials include copper wire, iron core, and insulation materials.

• Circuit breakers protect electrical circuits from damage caused by overloading or short circuits.

• Substation equipment includes transfor...read more

Circuit breakers are devices that protect electrical circuits from overloads and short circuits. MCCB stands for Molded Case Circuit Breaker. Ohm's Law relates voltage, current, and resistance in a circuit.

• Types of circuit breakers include miniature circuit breakers (MCBs), molded case circuit breakers (MCCBs), and residual current circuit breakers (RCCBs).

• MCCB is a type of circuit breaker that provides protection agai...read more