Welcome to your Steel structures Mock test - 4
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1) The slenderness ratio of a column is zero when its length
2) A 20 mm dia steel bar which is subjected to an axial tension of 2300 kg/cm2 produces a strain of 0.004 cm. If Young's modulus of steel is 2.1 × 106 kg/cm2, the bar is
3) The average shear stress for rolled steel beam section, is
4) The maximum permissible slenderness ratio of compression member carrying dead and  superimposed load, is
5) Spans of continuous fillers are considered approximately equal if the longest span does not exceed  the shortest span by more than
6) The ratio of the span L of the filler joists to the depth d from the underside of the joist to the top  of the structural concrete, should not exceed
7) The permissible stress in bending for rolled steel I-beams and channels, is
8) For the steel member exposed to weather and accessible for repainting, the thickness of steel  should not be less than (accepting the webs of Indian Standard rolled steel joists and channels).
9) The bending moment for filler joists at the middle of an intermediate span, is
10) Secant formula for direct stress in compression, is applicable only for slenderness ratio upto
11) With a percentage increase of carbon in steel, decreases its
12) The permissible bearing stress in steel, is
13) A beam is defined as a structural member subjected to
14) The allowable stress in axial tension for rolled I-sections and channels, is taken as
15) For a rectangular section, the ratio of the maximum and average shear stresses, is
16) The equivalent axial tensile load Pe, which produces an average axial tensile stress in the section equivalent to the combined stress due to axial tension P and bending M, at the extreme fibre of the section, is given by (where Z is the section modulus of the section).
17) IS : 800 - 1971 recommends that in a splice plate the number of rivets carrying calculated shear  stress through a packing greater than 6 mm thick, is to be increased by 2.5% for every
18) The distance measured along one rivet line from the centre of a rivet to the centre of adjoining rivet on an adjacent parallel rivet line, is called
19) Strengths of a rivet in single shearing, in bearing and in tearing are 3425 kg, 4575 kg and 5025 kg  respectively. If the load in the member is 35 tonnes, the number of rivets required, is
20) The allowable stress in axial tension is generally kept less if thickness of the member is more than
21) The maximum permissible slenderness ratio of a member carrying loads resulting from wind, is
22) If a pair of angles placed back to back in tension are connected by one leg of each angle, the net effective area of the section, is
23) A simply supported beam carrying a central load, will be safe in deflection if the ratio of its span to  depth, is
24) The effective length of a simply supported beam with ends restrained against torsion, and also the ends of compression flange partially restrained against lateral bending, is given by
25) Tacking rivets in compression plates not exposed to the weather, have a pitch not exceeding 300  mm or