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GATE2020 RCC Rapid Mini Mock (App update required to attempt this test)

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Question 1

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 2

A singly reinforced rectangular beam has a width of 200 mm and an effective depth of 350 mm. The limiting value of the moment of resistance of the beam is _________ kN-m.
[Take M20 grade concrete and Fe415 grade steel and adopt the stress block for concrete as given in IS 456: 2000]

Question 3

What is the loss (MPa) due to shrinkage in a post tensioned concrete if the age of concrete is 40 days .Take Es = 200GPa?

Question 4

The long term elastic modulus (in N/mm2) of concrete whose age of concrete at loading is equal to 28 days is (to the nearest integer value) 
[Take M20 grade of concrete and creep coefficient is 1.6 at 28 days of concrete at loading]

Question 5

A prestressed concrete beam of span 6 m supports a uniform loading of 4 kN/m over it. The size of the beam is 200 × 400 mm. Assume the density of the concrete 24 kN/m3.
Find the magnitude of the concentric prestressing force required to remove any tension in the beam.

Question 6

A concrete beam pre-stressed with a parabolic tendon is shown in the fig. The pre-stressing force applied is 1620 kN. The ULD includes self-weight of the beam. The stress in the top fibre of the middle section is (take compressive stress as positive)

Question 7

An isolated T-beam as shown in figure is used as a Walk way. The beam is simply supported with an effective span of 7.2 m. The effective width of flange for the given cross section is ________ mm.

Question 8

A rectangular column section of 250mm x 400mm is reinforced with five steel bars of grade Fe 500, each of 20mm diameters. Concrete mix is M30. Axial load on the column section with minimum eccentricity as per IS: 456-2000 using limit state method can be applied upto

Question 9

A doubly reinforced beam having the following parameter. The strain in compression reinforcement is ________.
Given: , clear cover=25mm, dia of bar used = 20mm, maximum permissible strain in concrete is 0.0035

Question 10

A doubly reinforced beam is subjected to a factored shear force of 300 kN. The cross-sectional dimensions are shown in figure below and design shear strength of concrete, τc for M20 grade concrete are as given in table below


The spacing (in mm) of vertical shear stirrups is _____ mm.
[Adopt 12 mm – 2 legged shear stirrups and Feb415 grade of steel]

Question 11

A cantilever beam of width 450 mm and effective depth 600 mm is laterally restrained at a distance L from the free end. The maximum value of 'L' to ensure proper lateral stability is ________m.

Question 12

A rectangular cross section beam of span 8 meter pre-stressed with a force of 1600KN. The eccentricity is 50mm from neutral axis and flexural rigidity is 2.45*1014 Nmm2 . What is the upward deflection(mm) of beam?
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Dec 8ESE & GATE CE