MCQ
1441. Beam এর Inflection point এ বোল্ডিং মোমেন্ট কত?
শূন্য
সর্বোচ্চ
সর্বনিম্ন
কোনোটি নয়
1442. Cantilever Beam এর Minimum depth-
L/12
L/8
L/10
L/14
1443. In a single reinforced beam, the effective depth measured from its compression edge to -
tensile edge
tensile reinforcement
neutral axis of the beam
longitudinal central axis
1444. The ration of linear stress to the linear strain is called-
modulus of rigidity
modulus of elastisity
bulk moduius
poisson is ration
1445. Shell structure does not have any -
bending moment
shear stress
tensile stress
compressive stress
1446. In the Eulers formula the value of C for a column, One and fixed and other end free, is--
0.5
2
1
4
1447. বিমের Neutral axis এ shear stress এর মান-
শূণ্য
সর্বনিম্ন
সর্বোচ্চ
অসীম
1448. The slope of stress-strain curve in the elastic deformation region is car --
elastic modulus
plastic modulus
poison's ratio
none of the above
1449. Lateral strain Linear strain এর অনুপাতকে কী বলে-
Modulus of Elasticity
Modulus of rigidity
Bulk Modulus
Poisson's Ratio
1450. The ultimate tensile stress for mild steel is....... the ultimate compressive stress.
equal to
less than
more than
none of these
1451. কোনটি Steel Truss এর member না -
Kingpost
Lintel
Rafter
Purline
1452. Mild steel- এর Poisson's ratio-এর Range কত?
০.৩০-০.৩১
০.১০-০.২০
০.২৯-০.২৬
০.২৭-০.৩০
1453. The modulus of elasticity for mild steel is approximately equal to--
10 kN/mm2
80 kN/mm2
100 kN/mm2
210 kN/mm2
1454. The elongation of a rod under tensile test indicates --
Ultimate strength
Yieldstrength
Ductility
Breaking strength.
1455. রডে কার্বনের পরিমাণ বেশি হলে-
রড hard হবে
Ductility কমে
যাবে সহজে ভেঙ্গে যাবে
ক. খ. গ
1456. কোনো material- এর tensile test থেকে যে percentage of elongation পাওয়া যায় তা ঐ material- এর কোন গুণটি নির্দেশ করে?
Ductility
Plasticity
Resilience
Elasticity
1457. The neutral axis of the cross-section of a beam is that axis at which the bending stress is-
zero
minimum
maximum
infinity
1458. The shear modulus of most materials with respect to the modulus of elasticity is-
equal to half
less than half
more than half
none of these
1459. If twe forces of 3kg and 4kg act at right angle to each other, their resultant force will be-
5kg
1kg
14kg
7 kg
1460. A wall built to resist the pressure of earth filling. is known as. --
retaining wall
breast wall
shoring
buttress