MCQ
1481. The maximum B.M. due to an isolated load in a three hinged parabolic arch, (span 1 and rise h) having one of its hinges at the crown, occurs on either side of the crown at a distance
1/4
h/4
1
2
1482. For beams breadth is constant,--
Depth d M
Depth d
Depth d 3
Depth d 1/M
1483. এক ঘনমিটার Brick Masonry কাজে কয়টি ইট লাগে?
500
400
450
350
1484. একটি-বাঁধের উপরি গ্রন্থ ৬মি, উচ্চতা ২মি এবং ঢাল ১: ২ হলে বাঁধের নিচের প্রস্থ কত?
৮৬ মিটার
১০ মিটার
১২ মিটার
১৪ মিটার
1485. The force in BF of the truss shown in given figure, is--
4t tension
4t compression
4.5t tension
4.5t compression
1486. The force in AC of the truss shown in the given figure, is--
5t tension
4t tension
5t compression
4t compression
1487. The greatest load which a spring can carry without getting permanently distorted, is called--
Stiffness
Proof resilience
Proof stress
Proof load
1488. The ratio of maximum and average shear stresses on a rectangular section, is--
1
1.25
1.5
2.5
1489. In the truss shown in the given figure, the force in member BC is--
100 t compressive
100 t tensile
Zero
Indeterminate
1490. Pick up the correct statement from the following:
Mcg-MM2+r2) where letters carry their usual meanings
Tcpm2+T2)where letters carry their usual meanings
The torque which when acting alone would produce maximum shear stress equal to the maximum shear stress caused by the combined bending and torsion, is called equivalent torque
All the above
1491. এক ঘনফুট লোহার ওজন কত?
100 Ib
200 lb
400 Ib
490 Ib
1492. Pick up the correct statement from the following:
In a loaded beam, the moment at which the first yield occurs is called yield moment
In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment
In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area
All the above
1493. The ratio of maximum shear stress to average shear stress of a circular beam, is--
2/3
3/2
3/4
4/3
1494. 1:2:4 অনুপাতে 50 ঘনফুট কংক্রিট তৈরি করতে সিমেন্ট লাগে কত ব্যাগ?
5 ব্যাগ
9 ব্যাগ
7.5 ব্যাগ
11ব্যাগ
1495. For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is --
0.303
0.404
0.505
0.707
1496. এক ঘনমিটার Reinforced Cement Concrete-এর ওজন কত?
2000 kg
1200 kg
2400 kg
2500 kg
1497. For calculating the permissible stress 0 y/[(1+ a(l/r)]is the empirical formula, known as --
Straight line formula
Parabolic formula
Perry's formula
Rankine's formula
1498. If a concrete column 200 x 200 mm in cross- section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15 Ec
264 MN
274 MN
284 MN
294 MN
1499. ml and m2 are the members of two individual simple trusses of a compound truss. The compound truss will be rigid and determinate if
m=ml+m2
m=ml+m2+1
m=ml+m2+2
m=ml+m2+3
1500. এক বর্গমিটার জায়গা হেরিং বোন বন্ড করতে প্রয়োজনীয় ইটের সংখ্যা কত -
31 টি
52 টি
42 টি
62 টি