1 . 'Ghon Focus is situated in :
- A. Peritoneum
- B. Lung
- C. Pleura
- D. Pericardium
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৩৯ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (স্বাস্থ্য ক্যাডার) (03-08-2018)
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2 . 1.H.P.=?
- A. 3.6 x 1006 watt
- B. 1 watt
- C. 764 watt
- D. 746 watt
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3 . Chips are made up of millions of tiny parts/switches known as—
- A. Etches
- B. Transistors
- C. Chargers
- D. Electrons
- E. Protons
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4 . Condition of electricity transmission is -
- A. high voltage transmission
- B. using heavy wire
- C. using copper conductor
- D. Using bundled conductor
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বিভিন্ন মন্ত্রণালয় | সহকারী ম্যানটেনেন্স প্রকৌশলী | 24-05-2022
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5 . COP-26 is related to -
- A. Global trade & commerce
- B. Global climate change
- C. Poverty alleviation
- D. Coproduction of COVID vaccine
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বাংলাদেশ ব্যাংক || সহকারী পরিচালক 28-10-2022
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6 . Ecology is a word mostly used in the field of:
- A. Environment
- B. Business
- C. Politics
- D. Theology
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7 . For seccessful operation of two single phase transformer connected in parallel, the most essential condition is that their
- A. Percentage impledances are equal
- B. Polarities are properly connected
- C. Turns ration are exactly equal
- D. KVA rating are equal
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বিভিন্ন মন্ত্রণালয় | সহকারী ম্যানটেনেন্স প্রকৌশলী | 24-05-2022
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8 . How many hours should be added from Greenwich time to get Bangladesh time?
- A. 3 hours
- B. 5 hours
- C. 6 hours
- D. 7 hours
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9 . In a step down transformer, there is a charge of 15A in the load current. This results in changing of supply current of
- A. Less than 15 A
- B. Greater than 21 A
- C. More Than 21A
- D. None
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বিভিন্ন মন্ত্রণালয় | সহকারী ম্যানটেনেন্স প্রকৌশলী | 24-05-2022
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10 . In cataract operation, which portion of the eye is removed?
- A. lens
- B. pupil
- C. cornea
- D. iris
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11 . Jaundice affects the —
- A. Heart
- B. Liver
- C. Lunge
- D. Mind
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12 . Manometer is used to measure
- A. Tempereture difference between two points
- B. Pressure difference between two points
- C. Humidity difference between two points
- D. Height difference between two points
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13 . Richter scale measures
- A. Total area of destruction
- B. Intensity of the earthquake
- C. Focus of earthquake
- D. Magnitude of earthquake
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14 . Soil erosion can be prevented by-
- A. increasing bird
- B. afforestation
- C. removal of vegetation
- D. over grazing
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15 . The affected parameter by shunt capacitance are -
- A. real power
- B. reactive power
- C. frequency
- D. all of these
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বিভিন্ন মন্ত্রণালয় | সহকারী ম্যানটেনেন্স প্রকৌশলী | 24-05-2022
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