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MCQ
1482. 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
1483. 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
1484. 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
1486. The greatest load which a spring can carry without getting permanently distorted, is called--
Stiffness
Proof resilience
Proof stress
Proof load
1489. একটি-বাঁধের উপরি গ্রন্থ ৬মি, উচ্চতা ২মি এবং ঢাল ১: ২ হলে বাঁধের নিচের প্রস্থ কত?
৮৬ মিটার
১০ মিটার
১২ মিটার
১৪ মিটার
1491. এক বর্গমিটার জায়গা হেরিং বোন বন্ড করতে প্রয়োজনীয় ইটের সংখ্যা কত -
31 টি
52 টি
42 টি
62 টি
1492. 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
1493. 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
1494. 1:2:4 অনুপাতে 50 ঘনফুট কংক্রিট তৈরি করতে সিমেন্ট লাগে কত ব্যাগ?
5 ব্যাগ
9 ব্যাগ
7.5 ব্যাগ
11ব্যাগ
1495. 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