MCQ
1341. The force in AC of the truss shown in the given figure, is--
5t tension
4t tension
5t compression
4t compression
1342. For beams breadth is constant,--
Depth d M
Depth d
Depth d 3
Depth d 1/M
1343. In plastic analysis, the shape factor for rectangular section, is
1.4
1.5
1.6
1.7
1344. 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
1345. A bar L metre long and having its area of cross- section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is --
WL/2AE
WL/AE
WIL/AE
W^2L/2AE
1346. A masonry dam (density = 20,000 N/m3) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be --
75 N/m2
750 N/m2
7500 N/m2
75000 N/m
1347. At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by--
Depth of the section
Depth of the neutral axis
Maximum tensile stress at the section
Maximum compressive stress at the section
1348. 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
1349. The ratio of the area of cross-section of a circular section to the area of its core, is--
4
8
12
16
1350. The force in CD of the truss shown in given figure, is--
3t compression
3t tension
Zero
1.5t compression
1351. 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
1352. An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 21 and rise h hinged at the crown, the horizontal reaction at the support, is--
Wa/h
Wa/2h
2W/ha
2h/Wa
1353. The force in CD of the truss shown in given figure, is--
3t compression
3t tension
Zero
1.5t compression
1354. The ratio of maximum and average shear stresses on a rectangular section, is--
1
1.25
1.5
2.5
1355. In the truss shown in the given figure, the force in member BC is--
100 t compressive
100 t tensile
Zero
Indeterminate
1356. The ratio of maximum shear stress to average shear stress of a circular beam, is--
2/3
3/2
3/4
4/3
1357. The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is --
W12
WF/4
WF/8
WP/12
1358. The greatest load which a spring can carry without getting permanently distorted, is called--
Stiffness
Proof resilience
Proof stress
Proof load
1359. The force in BF of the truss shown in given figure, is--
4t tension
4t compression
4.5t tension
4.5t compression
1360. 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