KRISAM Automation Design Engineer Interview Questions and Answers

Power and control wiring of star delta starter involves connecting the motor to the power supply and control circuit using a specific wiring diagram.

• Power wiring involves connecting the three-phase power supply to the motor through the main contactor.

• Control wiring involves connecting the control circuit to the motor through the timer and the star-delta contactor.

• During starting, the motor is connected in star configur...read more

Circuit breakers are of different types based on their voltage levels, construction, and applications.

• Based on voltage levels: low voltage, medium voltage, and high voltage circuit breakers

• Based on construction: air circuit breakers, oil circuit breakers, vacuum circuit breakers, and SF6 circuit breakers

• Based on applications: residential, commercial, and industrial circuit breakers

• Other types: molded case circuit break...read more

The Power & Control Circuit of Star Delta Feeder is a common circuit used in electrical engineering.

• The circuit consists of a power circuit and a control circuit.

• The power circuit includes a three-phase AC motor, a contactor, and overload relays.

• The control circuit includes a timer, a contactor, and a push button station.

• The circuit is used to reduce the starting current of the motor.

• During starting, the motor is conne...read more

Eplan Electric allows generating various reports for electrical design projects.

• Reports can be generated for bills of materials, cable lists, terminal diagrams, and more.

• Reports can be customized to include specific information and formatting.

• Reports can be exported in various file formats, including Excel, PDF, and XML.

• Reports can be generated for individual pages or for the entire project.

• Reports can be scheduled to ...read more

MCB stands for Miniature Circuit Breaker and MCCB stands for Molded Case Circuit Breaker. They are used for electrical protection.

• MCB is a type of circuit breaker that automatically switches off electrical circuits during abnormal conditions such as overload or short circuit.

• MCCB is a type of circuit breaker that provides protection against overloads, short circuits, and ground faults.

• MCBs are commonly used in resident...read more