331 . Which of the following statement is true?
- A. A galvanometer with low resistance in parallel is a voltmeter
- B. A galvanometer with high resistance in parallel is a voltmeter
- C. A galvanometer with low resistance in series is an ammeter
- D. A galvanometer with high resistance in series is an ammeter
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Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
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প্রিমিয়াম প্ল্যান: ১ মাস
99 ৳
৩০ দিনের জন্য সকল লাইভ এবং আর্কাইভ মডেল টেস্ট, প্রশ্ন ব্যাংক ও লেকচার শিট সহ অ্যাপ এর প্রিমিয়াম সব এক্সেস পাবেন।
332 . The filament of an electric bulb is made of
- A. carbon
- B. aluminium
- C. tungsten
- D. nickel
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Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
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বাংলাদেশ পল্লী বিদ্যুতায়ন বোর্ড || সহকারী প্রকৌশলী (Civil/EEE/Mechanical) (23-02-2024) || 2024
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334 . Ohm's law is not applicable to
- A. vacuum tubes
- B. carbon resistors
- C. high voltage circuits
- D. circuits with low current densities
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Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
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335 . Modulus of resilience is defined as Resilience
- A. at ultimate stress
- B. per unit volume
- C. at proportional limit
- D. at elastic limit
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বাংলাদেশ পল্লী বিদ্যুতায়ন বোর্ড || সহকারী প্রকৌশলী (Civil/EEE/Mechanical) (23-02-2024) || 2024
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336 . A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively The current in each branch is
- A. 6.4 A, 6.9 A
- B. 6.4 A, 9.6 A
- C. 4.6 A. 6.9 A
- D. 4.6 A, 9.6 A
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Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
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337 . Short circuit test on transformers is conducted to determine
- A. hysteresis losses
- B. copper losses
- C. core losses
- D. eddy current losses
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Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
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338 . The size of a transformer core will depend on
- A. frequency
- B. area of the core
- C. flux density of the core material
- D. (a) and (b) both
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Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
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339 . An R.C.C. column is treated as short column if its slenderness ratio is less than
- A. 30
- B. 35
- C. 40
- D. 50
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Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
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340 . Center of percussion is
- A. the point of C.G.
- B. the point of metacentre
- C. the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
- D. point of suspension
- E. the point in a body about which it can rotate horizontally and oscillate under the influence of gravity.
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Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
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341 . Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds
- A. 50 cm
- B. 75 cm
- C. 100 cm
- D. 120 cm
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Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
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342 . Loop gain vs phase plot is known as ______ plot/chart.
- A. Nyquist
- B. Bode
- C. Nichol's
- D. Inverse Nyquist
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বাংলাদেশ পল্লী বিদ্যুতায়ন বোর্ড || সহকারী প্রকৌশলী (Civil/EEE/Mechanical) (23-02-2024) || 2024
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343 . An R.C.C. lintel is spanning an opening of 2m span in a brick wall. The height of the roof is 2.9m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus
- A. Triangular load of the wall
- B. UDL of wall
- C. UDL of wall + load from the roof
- D. Triangular load + load from the roof
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Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
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344 . An R.C.C. lintel is spanning an opening of 2m span in a brick wall. The height of the roof is 2.9m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus
- A. Triangular load of the wall
- B. UDL of wall
- C. UDL of wall + load from the roof
- D. Triangular load + load from the roof
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345 . Which of the following causes irreversibility?
- A. electrical resistance, magnetic hysteresis
- B. inelasticity
- C. friction, viscosity
- D. all
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বাংলাদেশ পল্লী বিদ্যুতায়ন বোর্ড || সহকারী প্রকৌশলী (Civil/EEE/Mechanical) (23-02-2024) || 2024
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