A. p/a²
B. 2p/a²
C. 3p/a²
D. 4p/a²
Related Mcqs:
- A short column (30 cm × 20 cm) carries a load P 1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be_________________?
A. 2/3
B. 3/2
C. 8/5
D. 5/8 - A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be________________?
A. 2/3
B. 3/2
C. 5/8
D. 8/5 - A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is____________________?
A. M/T
B. T/M
C. 2M/ T
D. 2T/M - A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending strain energy stored in the bar, is___________________?
A. 411 N mm
B. 511 N mm=
C. 611 N mm
D. 711 N mm - A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm². If the slope at the ends is 0.005 radian and the value of E = 0.2 × 106 N/mm2, the depth of the joist, is________________?
A. 200 mm
B. 250 mm
C. 300 mm
D. 400 mm - The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is_______________?
A. 1/2
B. 2/3
C. 1/4
D. 1/3 - The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is___________________?
A. 1/8
B. 1/4
C. 1/2
D. 1/3 - A rectangular column shown in the given figure carries a load P having eccentricities ex and ey along X and Y axes. The stress at any point (x, y) is_______________?
A. (p/bd) [1 + (12ey. y/d²) + (12ex. x/d²)]
B. p [1 + (6ey. y/b) + (6ex. x/ b)]
C. (p/bd) [1 + (6ey. y/d) + (6ex. x/b)]
D. (p/bd) [1 + (ey. y/d) + ( ex. x/d)] - A simply supported beam carries varying load from zero at one end and w at the other end. If the length of the beam is a, the maximum bending moment will be_______________?
A. wa/27
B. wa²/27
C. w²a
D. wa² - If a concrete column 200 × 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________________?
A. 264 MN
B. 274 MN
C. 284 MN
D. 294 MN