MCQ
21. The maximum dry density upto which any soil can be compacted depends upon (সর্বাধিক শুষ্ক ঘনত্ব যে কোন মাটি কম্প্যাক্ট করা যেতে পারে তার উপর নির্ভর করে)
moisture content only
amount of compaction energy only
both moisture content and amount of compaction energy
none of the above
22. Who is on of the following method is most suitable for determining the permeability of clay soil
falling bead test
horizontal permeability test
constant head test
none of the above
23. . Coarse gralned soils are best compacted by a (কোর্স গ্রেইন সয়েল কম্প্যাক্ট কতে ব্যবহৃত হয়)
drum roller
rubber tyred roller
sheep's foot roller
vibratory roller
24. What happen just after the ylelding of Steel reinforcing bar (রিইনফোর্স বারে, ঈল্ডিং এর পরে কি ঘটে-)
fracture
the strain hardening
strains softening
necking
25. (মাটির শিয়ার স্ট্রেস্থ প্যারামিটারগুলো হলো-)
c, Nc,p
c, Nc,p, N
с, ф
с, Ү, ф
26. The slope of the share diagram is equal to (শিয়ার বক্ররেখার ঢাল সমান-)
Rotational moment
Bending moment
Total weight
Distributed load intensity
27. Reduce level at four corners of a square ditch (10m x 10m) are 101m, 101.50 m, 102.00m and 102.50 m. calculate the volume of earth falling for the ditch given reduced level of the filling plan is 100 metre.
175 m³
none of above
200 m³
225 m³
28. earthquake force develops
horizontal direction only
vertical direction only
none of the above
both horizontal and vertical direction
29. The total and effective stress at a depth of 10 m below the water surface line in a swimming pool are respectively given as
98.12 KN/m² and 98.12 KN/m²
98.12 KN/m² and zero
None of the above
zero and zero
30. modulus of rupture of concrete means
shear strength
crushing strength
tension strength in bending
tensile strength in direct tension
31. Which of the following statement is false
slope of the moment diagram = share
change in share = area under distributed load
slope of the shared diagram = moment
change in moment = area under share diagram
32. on the plane of principal stress
normal stress is maximum but shear stress is zero
both normal and shear stress is maximum
both normal and shear stress is zero
shear stress is maximum but normal stress is zero
33. an under reinforced beam means (আন্ডার রিইনফোর্সড বীম বলতে বোঝায়-)
steel provide is insufficient
steel is provided at eh underside only
steel will yield fast before concrete crushing
steel is provided on the tension face only
34. Slope of the moment diagram is equal to
Rotational moment
Bending moment
Total weight
Shear
35. Which of the following column will have more buckling.
L = 40 ft, both ends fixed
L = 20 ft, both end pinned
L = 10 feet, one end fixed and on end free
L = 30 feet, one end fixed anf one end pinned
36. The change in moment is equal to (দুটি বিন্দুর মোমেন্ট পরিবর্তন...
Rotational moment
Bending moment
Total weight
area under share diagram
37. the maximum shear stress of a rectangular beam is-
1.75 times are average stress
2.0 times are average stress
1.25 times are average stress
1.5 times are average stress
38. the following index properties were determined for 4 soils, mark as Soil A, soil B, soil C and soil D. Which of these soils contains more clay particles?
Soil A
Soil B
Soil C
Soil D
39. Ingredient requirement for M cube concrete is water on 85 kg per meter cube cement 450 kg per meter cube fine aggregate 750 kg per meter cube and course aggregate 1080 kg per meter cube muster content and absorption of the fine aggregate are 4.5 and 2.5 moisture content and absorption capacity of the coarse aggregate are 1.5 and 2.2 what will be the water requirement for 100 meter cube concrete in field condition
16244 kg
19244 kg
18244 kg
17244 kg
40. punching shear up to a flat plate is checked
d/3 distance from face of column
d/4 distance from face of column
d/2 distance from face of column
d distance from face of column