Boropukuria Coal Mining Company Limited Question Solution
BCMCL Assistant Manager Electrical Question
2020 exam pattern, question topics and original scanned pages.
Direct answer: This page preserves the historical question paper for the Assistant Manager (Electrical) examination of Boropukuria Coal Mining Company Limited (BCMCL), held on 14 February 2020. The supplied source records BUET as the exam-taking institution and a 60-mark, 90-minute format. The scans are provided for study, not as a current recruitment notice or an official answer key.
BCMCL is a company of Petrobangla and operates at Barapukuria in Parbatipur, Dinajpur. For a current circular, admit card, seat plan or result, use the latest notice published by the company or the relevant government recruitment portal. Historical details on this page should not be treated as current eligibility, vacancy, fee or application information.
Organization: Boropukuria Coal Mining Company Limited (BCMCL)
Post: Assistant Manager (Electrical)
Exam date: 14 February 2020
Exam taker recorded in the source: Bangladesh University of Engineering and Technology (BUET)
Question format recorded: MCQ, departmental electrical questions and non-departmental questions
Boropukuria Assistant Manager Electrical exam pattern
| Component | Information recorded in the original post |
|---|---|
| Total | 60 marks |
| MCQ | 40 questions, 20 marks (0.5 mark each) |
| Mathematics/problem section | 10 questions, 40 marks (4 marks each) |
| Duration | 1 hour 30 minutes |
The marks and duration above are historical details transcribed from the original post. The source does not provide a verified official answer key, so handwritten or third-party solutions should be checked independently before being used for preparation.
Departmental Electrical questions
The departmental section covers power-system protection, alternators, induction motors, circuits, modulation, PCM/TDM, transistor and op-amp analysis, and transformer current components. The preserved questions include:
- Differential-protection calculation.
- Short-circuit current of two alternators connected to a 3.3 kV busbar, using a 3,000 kVA base.
- Full-load speed of an eight-pole, 50 Hz induction motor with 3% slip, including a frequency-increase case.
- Finding V(t) and drawing the circuit waveform.
- Finding the W1 reading for the given circuit.
- AM-transmitter amplitude calculation with a 0.65 modulation index and 400 V RMS unmodulated carrier.
- Output data-rate calculation for two analogue signals using PCM and TDM.
- BJT emitter-follower power dissipation.
- Op-amp feedback-resistance calculation from the given circuit values.
- Transformer no-load power/voltage calculation for core and magnetisation current components.
Non-departmental questions
The general section in the original scan contains English, Bangladesh and international affairs, mathematics, science and reasoning prompts. Some source wording is abbreviated or unclear; therefore the list below preserves the meaning without presenting uncertain answers as facts.
- Jet-airliner incident in Iran.
- Year in which the Sundarbans was declared a World Heritage Site.
- Antonym of “transparent”.
- Foreign freedom fighter awarded Bir Pratik.
- Synonym of “stringent”.
- GDP growth-related question.
- West-African country affected by Ebola.
- Name of an Iranian major general.
- Inequality involving a > b > 1.
- Average-speed problem involving two 300 km journeys.
- Separation of the judicial service.
- Triangle-related mathematics.
- Octagon and triangle relationship.
- Set/fraction problem involving French- and Spanish-speaking students.
- Ratio change when boys increase by 20% and girls by 10%.
- Water-volume problem involving a rectangular fish tank and a cylindrical container.
- Blood-colour question.
- Direction question.
- COP25.
- Tokyo 2020 Olympics.
- President of India in the historical 2020 context.
- Donald Trump’s presidential number.
- English fill-in-the-blank question using “too”.
- Bangla calendar introduction and Akbar.
- English grammar question using “into”.
- First African country to recognise Bangladesh.
- Brexit and its January 2020 context.
Original question images
The following scans are retained from the original post. Open any image to view the full-size Blogger-hosted file.
How to use this question set
- Attempt the 40 MCQs under a 45-minute practice limit, then review each uncertain item from a trusted textbook or official syllabus.
- Practise the 10 electrical mathematics/problems with a full working process; the scan may omit circuit diagrams or values in text.
- Separate departmental revision from general-knowledge revision so that one uncertain historical answer does not affect the technical preparation plan.
- For a future BCMCL recruitment, replace this historical pattern with the latest circular, syllabus and notice.
Official BCMCL resources
- Boropukuria Coal Mining Company Limited official website
- Petrobangla official website
- Power Division, Ministry of Power, Energy and Mineral Resources
Related question and preparation resources
For additional practice, you may also review these related BD Jobs 52 resources:
- GTCL previous MCQ and written question solution
- Bangladesh Bank written math question solutions
- Upcoming job exam dates and admit-card updates
Frequently asked questions
What post was covered by this question paper?
The source post identifies the post as Assistant Manager (Electrical) at Boropukuria Coal Mining Company Limited.
When was the exam held?
The historical exam date recorded in the source is 14 February 2020.
Was this an official answer key?
No. This page preserves question images and a study-oriented transcription. It should not be treated as an official answer key.
Where should I check a new BCMCL circular?
Check the latest notice on the official BCMCL website and the relevant government recruitment source. Do not rely on the 2020 details for a new recruitment.
