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GATE 2019 RCC & PSC Day 4 Quiz (App update required to attempt this test)

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Question 1

The reduction coefficient of a reinforced concrete column with an effective length of 4.8 m and size 250 x 300 mm is

Question 2

A column size of 450mm*600mm having 8 bars. Out of which 4 bars have diameter of 16mm and remaining 4 bars have diameter 20mm. Calculate the diameter and spacing of lateral ties?

Question 3

A column of height h with a rectangular cross-section of size has a buckling load of P. If the cross-section is changed to and its height changed to 1.5 h, the buckling load of the redesigned column will be

Question 4

A column of size 450 mm × 600 mm has unsupported length of 3.0 m and is braced against side sway in both directions. According to IS 456:2000, the minimum eccentricities (in mm) with respect to major and minor principle axes are

Question 5

A reinforced concrete column 500 mm x 500 mm has four steel bars of 25 mm diameter imbedded in it. The total load on the column is 1500 kN. The stress (in N/mm2) in steel is
[Take modulus of elasticity of steel and concrete areas 205 kN/mm2 and 13.6 kN/mm2 respectively]

Question 6

The allowable load carrying capacity of circular column section 400 mm diameter reinforced with 3245 mm2 steel with bars adequately tied with spirals based on working stress method, is ____kN.
[Use M 25 grade of concrete and Fe415 grade of steel, assume short column]
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Oct 16ESE & GATE CE