Doha Petroleum Construction Company Electrician Interview Questions and Answers

Q1. All electrical questions
Add your answer
Q2. Star delta star
Ans. Star delta is moter smuth normal moter start
Answered by Bhagat Mukesh
Add your answer

Q1. Fild work and oppression
Ans. Power issue late and power on of
Answered by Bhagat Mukesh
Add your answer
Q2. Isulate propyl fider
Ans. Fedar off feuse remove, cantrol feuse remove, emargency push button push
Answered by Bhagat Mukesh
Add your answer

Q1. MCb,Mpcb ,rrcb,elcb ,
Ans. Miniature circuit breaker Moter protection circuit breaker Residual current circuit breaker Earth leakage circuit breaker
Answered Anonymously
Add your answer
Q2. Mother mantnece
Add your answer

Q1. Hv,lv,panal in work
Add your answer
Q2. Transformer in work
Ans. 
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers are used to increase or decrease voltage levels in electrical circuits.

• They consist of primary and secondary coils wound around a core made of ferromagnetic material.

• Step-up transformers increase voltage for long-distance power transmission, while step-down transformers decrease voltage...read more
Answered by AI
Add your answer

Q1. Air compressor woking
Add your answer

Q1. Electricals related questions
Add your answer

Q1. Lt tension,DG , ACB
Add your answer

Q1. About swich yard
Add your answer
Q2. About vfd panal and star delta motars
Add your answer
Q3. About Earthing and electrod
Add your answer
Q4. About Earthing Matt by G.I. flats
Add your answer
Q5. About construction power
Add your answer
Q6. About baching plant
Add your answer

Q1. Electrical any question Electrical pena work
Add your answer

Q1. Lighting circuit Dol rdol star delta staer
Add your answer

Q1. Electrical mentenanc work experience
Add your answer
Q2. ElCB full form and MCB full form
Ans. 
ELCB stands for Earth Leakage Circuit Breaker and MCB stands for Miniature Circuit Breaker.
• ELCB is a safety device used to protect against electrical shock caused by earth faults.

• MCB is a type of circuit breaker that automatically switches off electrical circuits during abnormal conditions.

• ELCB detects current leakage to earth and disconnects the circuit, while MCB protects against overloads and short circuits.
Answered by AI
Add your answer
Q3. Earth leakeg circuit breaker and menutur current breaker
Add your answer
Q4. ElCB sefty protection
Add your answer
Q5. MCB over load protection
Ans. 
MCB (Miniature Circuit Breaker) provides overload protection by automatically switching off the circuit when current exceeds the rated capacity.
• MCB trips when current exceeds its rated capacity to prevent overheating and potential fire hazards.

• Overload protection is essential to protect electrical appliances and wiring from damage.

• Examples of MCB overload protection include tripping when too many devices are connected ...read more
Answered by AI
Add your answer
Q6. ElCB earth leakage protection
Add your answer

Q1. Electrical work work
Add your answer
Q2. Electrical work work wor
Add your answer
Q3. Electrician working on
Add your answer

Q1. After the initial rounds of candidate selection, every company holds an HR interview round to get to know the potential candidates personally. An HR interview's main aim is to judge the candidates' persona...read more
Add your answer
Q2. Here's how you can pass your HR interview:
Add your answer

Written/Aptitude test: The first round for most of the companies is written round. ...
Technical interview Round: The next round is a technical interview. ...
HR interview round: The HR interview round is the last round where candidates are judged on the basis of their communication skills, soft skills, confidence level, etc.