A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be, 15 M 14 M 13 M 16 m TRUE ANSWER : ? YOUR ANSWER : ?
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 611 N mm 711 N mm 411 N mm 511 N mm TRUE ANSWER : ? YOUR ANSWER : ?
A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is 0.508 0.407 0.207 0.307 TRUE ANSWER : ? YOUR ANSWER : ?
For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D’. Distances AD, DD’ and AD’ when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is 90° 45° 30° 60° TRUE ANSWER : ? YOUR ANSWER : ?
The shape factor of standard rolled beam section varies from 1.30 to 1.40 1.10 to 1.20 1.20 to 1.30 1.40 to 1.50 TRUE ANSWER : ? YOUR ANSWER : ?
For the close coil helical spring of the maximum deflection is 8WD3n/d4N 2WD3n/d4N 4W²D3n/d4N WD3n/d4N TRUE ANSWER : ? YOUR ANSWER : ?
The area of the core of a column of cross sectional area A, is (1/6) A (1/18) A (1/3) A (1/12) A TRUE ANSWER : ? YOUR ANSWER : ?
Stress may be expressed in Newtons None of these Per millimetre square (N/mm²) Per metre square (N/m2) Per centimetre square (N/cm²) TRUE ANSWER : ? YOUR ANSWER : ?
The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is Ellipse Straight line Parabola Circle TRUE ANSWER : ? YOUR ANSWER : ?
The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is WL3/48EL WL3/3EL WL3/24EL WL3/8EL TRUE ANSWER : ? YOUR ANSWER : ?