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