271 . Which of the following causes irreversibility?
  • A. electrical resistance, magnetic hysteresis
  • B. inelasticity
  • C. friction, viscosity
  • D. all
View Answer Discuss in Forum Workspace Report
বাংলাদেশ পল্লী বিদ্যুতায়ন বোর্ড || সহকারী প্রকৌশলী (Civil/EEE/Mechanical) (23-02-2024) || 2024
More
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।
সাবস্ক্রিপশন লিংক

272 . Steel bars are generally connected together to get greater length than the standard length by providing
  • A. Straight bar splice
  • B. Hooked splice
  • C. Dowel splice
  • D. All the above
View Answer Discuss in Forum Workspace Report
Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
More

273 . The blade friction in the impulse turbine reduces the velocity of steam by _____ while it passes over the blades.
  • A. 10-15%
  • B. 15-20%
  • C. 20-30%
  • D. 30-40%
View Answer Discuss in Forum Workspace Report
বাংলাদেশ পল্লী বিদ্যুতায়ন বোর্ড || সহকারী প্রকৌশলী (Civil/EEE/Mechanical) (23-02-2024) || 2024
More

274 . A pre-stressed concrete member is preferred because
  • A. Its dimensions are not decided from the diagonal tensile stress
  • B. Large size of long beams carrying large shear force need not be adopted
  • C. Removal of cracks in the members due to shrinkage
  • D. All the above
View Answer Discuss in Forum Workspace Report
Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
More

275 . Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension
  • A. Two times
  • B. Three times
  • C. Four times
  • D. Five times
View Answer Discuss in Forum Workspace Report
Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
More

276 . Minimum spacing between horizontal parallel reinforcement of the same size should not be less than
  • A. One diameter
  • B. 2.5 diameters
  • C. 3 diameters
  • D. 3.5 diameters
View Answer Discuss in Forum Workspace Report
Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
More

277 . Pick up the correct statement from the following:
  • A. Lateral reinforcement in R.C.C. columns is provided to prevent the longitudinal reinforcement from buckling
  • B. Lateral reinforcement prevents the shearing of concrete on diagonal plane
  • C. Lateral reinforcement stops breaking away of concrete cover, due to buckling
  • D. All the above
View Answer Discuss in Forum Workspace Report
Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
More

278 . The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is
  • A. 35
  • B. 2562
  • C. 3063
  • D. 2064
View Answer Discuss in Forum Workspace Report
Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
More

279 . The normal consistency of Portland cement is about
  • A. 10%
  • B. 15%
  • C. 20%
  • D. 25%
View Answer Discuss in Forum Workspace Report
বাংলাদেশ পল্লী বিদ্যুতায়ন বোর্ড || সহকারী প্রকৌশলী (Civil/EEE/Mechanical) (23-02-2024) || 2024
More

280 . The load stress of a section can be reduced by
  • A. Decreasing the lever arm
  • B. Increasing the total perimeter of bars
  • C. Replacing larger bars by greater number of small bars
  • D. Replacing smaller bars by greater number of greater bars
View Answer Discuss in Forum Workspace Report
Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
More

281 . Hydraulic mean radius is
  • A. Mean radius of sewer
  • B. Difference in heads between two points in circular pipes
  • C. Mean of radii in a pipe line of varying cross-sections
  • D. Cross-sectional area/wetted perimeter
View Answer Discuss in Forum Workspace Report
Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
More

282 . Which of the following pumps is used to pump sewage solids with liquid sewage without clogging the pump is?
  • A. Centrifugal pump
  • B. Pneumatic ejector
  • C. Reciprocating pump
  • D. None of these
View Answer Discuss in Forum Workspace Report
Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
More

283 . The pressure exerted by
  • A. The sewage when running full from inside, is called internal pressure
  • B. The internal pressure if any, causes tensile stress in the pipe material
  • C. Pressure sewers are designed to be safe in tension
  • D. All the above
View Answer Discuss in Forum Workspace Report
Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
More

284 . What is the firing order of a four stroke I.C engine?
  • A. 1-3-4-2
  • B. 1-4-3-2
  • C. 1-3-2-4
  • D. 1-2-4-3
View Answer Discuss in Forum Workspace Report
বাংলাদেশ পল্লী বিদ্যুতায়ন বোর্ড || সহকারী প্রকৌশলী (Civil/EEE/Mechanical) (23-02-2024) || 2024
More

285 . The specific retention is least in case of
  • A. Clay
  • B. Sand
  • C. Silt
  • D. Coarse gravel
View Answer Discuss in Forum Workspace Report
Dhaka WASA Supply & Sewerage Authority (DWASA) || Assistant Engineer (02-03-2024) || 2024
More