100+ Free BD First Class Boiler Attendant Practice Questions
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Sample BD First Class Boiler Attendant Practice Questions
Try these sample questions to test your BD First Class Boiler Attendant exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1In a fire-tube boiler, how do the hot combustion gases and water relate to each other?
2In a water-tube boiler, which fluid flows inside the tubes?
3What is the primary purpose of a boiler's furnace?
4Which boiler mounting allows a person to enter a large boiler shell for internal inspection and cleaning?
5Under Bangladesh's Boiler Act, 2022, a "boiler" is legally defined as a closed vessel used to generate steam from water under pressure, with a water-holding capacity exceeding what minimum volume?
6Which of the following is classified as a boiler component (rather than a separate machine) under the Boiler Act, 2022 definition of "boiler component"?
7What is the main advantage of a water-tube boiler over a fire-tube boiler of similar size?
8Which small boiler type generates steam by passing electric current directly through the boiler water, as classified under Bangladesh's Boiler Rules, 2025?
9Under the Boiler Rules, 2025 classification, what is the maximum water-holding capacity permitted for an electrode boiler?
10Which type of industrial boiler under Bangladesh's Boiler Rules, 2025 is assembled at the manufacturer's factory before being transported to site?
About the BD First Class Boiler Attendant Exam
The Bangladesh First Class Boiler Attendant Certificate of Competency, issued by the Office of the Chief Inspector of Boilers, qualifies the holder to be in charge of a boiler or combined boiler set with heating surface not exceeding 5,000 square feet, under the Boiler Act, 2022's Grade-2 equivalence for existing First Class certificates. Eligible candidates must be at least 23 years old, hold a valid Second Class Boiler Attendant certificate, have at least 2 years of experience as a Second Class attendant, and be a Bangladeshi citizen, submitting an application with experience certificates, age and citizenship proof, photographs and the prescribed fee.
Assessment
Certificate of Competency examination administered by the Office of the Chief Inspector of Boilers' Board of Examiners under the Boiler Act, 2022 and Boiler Rules, 2025, which repealed and replaced the Boilers Act, 1923 and Boiler Rules, 1961. Under the Act's transitional provisions, an existing First Class Boiler Attendant certificate is treated as equivalent to a Grade-2 boiler operation licence, authorising the holder to be in charge of a boiler set with heating surface not exceeding 5,000 square feet. Candidates must already hold a Second Class Boiler Attendant certificate before applying.
Time Limit
No fixed time limit for the First Class Boiler Attendant examination is published by the Office of the Chief Inspector of Boilers. Confirm session arrangements with your regional Deputy Chief Boiler Inspector's office.
Passing Score
The Board of Examiners has not published a fixed numerical pass percentage for this certificate examination. Confirm the current passing standard with the Office of the Chief Inspector of Boilers before your exam.
Exam Fee
The Office of the Chief Inspector of Boilers has historically required a treasury challan fee of BDT 800 for the First Class Boiler Attendant certificate application, paid to bank account/khat no. 1-3931-0000-2031. Confirm the current fee and payment channel before applying, as fees change periodically. (Office of the Chief Inspector of Boilers, Bangladesh, Ministry of Industries)
BD First Class Boiler Attendant Exam Content Outline
Boiler Construction and Types
Fire-tube vs water-tube boilers, boiler shell and furnace, boiler components under the Boiler Act 2022, and the electrode, small industrial and industrial boiler classes under the Boiler Rules 2025.
Combustion and Firing
The fire triangle, complete vs incomplete combustion, boiler fuels including rice husk, natural and induced draught, excess air, firing methods and calorific value.
Feed Water and Treatment
Feed pumps and feed check valves, water hardness, external softening and deaeration, scale and priming, blow-down practice and TDS control.
Mountings and Safety Devices
Safety valves, pressure gauges, water level gauge glass, fusible plugs, low-water alarms and correct testing practice.
Steam Systems and Auxiliaries
Steam drums, superheaters, saturated vs superheated steam, steam quality/dryness fraction, steam headers and steam piping insulation.
Operation and Routine Checks
Lighting up, banking a fire, low-water emergency response, safety valve easing, log-book practice, shutdown sequence and restarting an idle boiler.
Corrosion, Scale and Faults
Pitting corrosion, erosion, dew-point (acid) corrosion, refractory thermal cycling damage and diagnosing bulges from localised overheating.
Boiler Act and Licensing
The Boiler Act 2022, the Chief Inspector's office, Grade-1/2/3 operation licences, First and Second Class attendant eligibility and penalties for unlicensed operation.
Accidents, Inspection and Workplace Safety
Accident reporting duties, inspection timelines, boiler user statutory duties and personal protective equipment/safe practice around pressurised openings.
How to Pass the BD First Class Boiler Attendant Exam
What You Need to Know
- Passing score: The Board of Examiners has not published a fixed numerical pass percentage for this certificate examination. Confirm the current passing standard with the Office of the Chief Inspector of Boilers before your exam.
- Assessment: Certificate of Competency examination administered by the Office of the Chief Inspector of Boilers' Board of Examiners under the Boiler Act, 2022 and Boiler Rules, 2025, which repealed and replaced the Boilers Act, 1923 and Boiler Rules, 1961. Under the Act's transitional provisions, an existing First Class Boiler Attendant certificate is treated as equivalent to a Grade-2 boiler operation licence, authorising the holder to be in charge of a boiler set with heating surface not exceeding 5,000 square feet. Candidates must already hold a Second Class Boiler Attendant certificate before applying.
- Time limit: No fixed time limit for the First Class Boiler Attendant examination is published by the Office of the Chief Inspector of Boilers. Confirm session arrangements with your regional Deputy Chief Boiler Inspector's office.
- Exam fee: The Office of the Chief Inspector of Boilers has historically required a treasury challan fee of BDT 800 for the First Class Boiler Attendant certificate application, paid to bank account/khat no. 1-3931-0000-2031. Confirm the current fee and payment channel before applying, as fees change periodically.
Keys to Passing
- Work through all 100 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
BD First Class Boiler Attendant Study Tips from Top Performers
Frequently Asked Questions
Who awards the First Class Boiler Attendant Certificate of Competency and what does it authorise?
The Office of the Chief Inspector of Boilers, under Bangladesh's Ministry of Industries, awards the First Class Boiler Attendant certificate. Under the Boiler Act, 2022's transitional provisions, it is treated as equivalent to a Grade-2 boiler operation licence, authorising the holder to be in charge of a boiler set with heating surface not exceeding 5,000 square feet.
What are the eligibility requirements for the First Class Boiler Attendant certificate?
Candidates must be at least 23 years old, hold a valid Second Class Boiler Attendant certificate, have at least 2 years of experience as a Second Class attendant, and be a Bangladeshi citizen. The application requires a copy of the Second Class certificate, experience certificates referencing a boiler registration number, age and citizenship/character proof, photographs, and the prescribed fee.
How many questions are in this practice bank and what topics does it cover?
This free bank has 100 multiple-choice questions covering boiler construction and types, combustion and firing, feed water and treatment, mountings and safety devices, steam systems, operation and routine checks, corrosion and faults, the Boiler Act and licensing, and accidents, inspection and workplace safety.
Is the First Class Boiler Attendant exam written, oral or practical?
The Office of the Chief Inspector of Boilers has not published the detailed format of its Board of Examiners' assessment for this certificate. This free bank focuses on the underlying technical and regulatory knowledge with 100 multiple-choice questions to help you revise regardless of the exact exam format used.
What law and rules govern boiler attendant certification in Bangladesh?
The Boiler Act, 2022 (which repealed the Boilers Act, 1923) and the Boiler Rules, 2025 (which repealed the Boiler Rules, 1961) currently govern boiler construction, registration, use, and attendant/operator licensing in Bangladesh, administered by the Office of the Chief Inspector of Boilers.