GATE CE Concrete Structures : National Champion Test for ESE & GATE CE Exams

Question 1

In the case of a continuous RC beam, in order to obtain the maximum positive span moment, where should the live load be placed?

Question 2

The cover of longitudinal reinforcing bar in a beam subjected to sea spray should not be less than which one of the following?

Question 3

Which one of the following is correct in respect of the material efficiency of RCC flexural elements in rectangular beam, T-beam and two-way slab?

Question 4

The additional cover thickness to be provided in reinforced concrete members that are totally immersed seawater is

Question 5

The minimum grade of reinforced concrete in seawater as per IS 456-2000 is

Question 6

In load-bearing wall, the depth of horizontal chases should not exceed which one of the following?

Question 7

What is the limiting principal tensile stress in prestress uncracked concrete member of M25 grade?

Question 8

The below figure represents a section of a pre-stressed beam. For a no-tension design where

is the permissible stress in concrete, the total moment carrying capacity is

Question 9

Match List-I with List-II and select the correct answer using the codes given below the lists:
List-I
A) At end support, for imposed load (not fixed)
B) At inside support, next to end support, for imposed load (fixed)
C) At end support, for dead load and (fixed) imposed load
D) At all other interior supports (other than at ‘B’), for imposed load (fixed)
List-II
1) 0.5
2) 0.55
3) 0.60
4) 0.45
5) 0.4

Question 10

The percentage loss of pre-stress due to anchorage slip of 3 mm in a concrete beam of length of 30 m which is post-tensioned by a tendon subjected to an initial stress of 1200 N/mm² and modulus of elasticity equal to 2.1 × 10⁵ N/mm², is

Question 11

A prestressed concrete beam of cross-sectional area A, moment of inertia ‘I’, distance of top extreme fibre from neutral axis ‘y’ and distance of bottom extreme fibre from neutral axis ‘y_b’ is subjected to a prestressing force such that stress at top fibre is zero. What is the value of eccentricity (‘r’ is radius of gyration)?

Question 12

For a pre-tensioned beam, Young’s Modulus of steel and concrete are 200 GPa and 35.35 GPa, respectively. If the ultimate shrinkage strain and Ultimate Creep Coefficient are 200 microns and 1.6, respectively, what is the level of sustained stress in concrete at the level of ‘steel’ if the loss due to creep is three times the loss due to shrinkage?

Question 13

Web buckling occurs in a beam due to excessive

Question 14

A rectangular beam of width 230 mm and effective depth 300 mm is proposed to carry a BM and SF of 120 kNm and 270
kN, respectively. If M 30 grade of concrete and Fe 415 steel are used for which

Which one of the following statements is correct?

Question 15

Consider the following statements:
The main reinforcement in the counterfort in a counterfort retaining wall of RCC is provided on the
1) inclined face in front counterfort
2) bottom face in back counterfort
3) inclined face in back counterfort
4) bottom face in front counterfort
Select the correct answer using the codes given below.

Question 16

A concrete column carries an axial load of 450 kN and a bending moment of 60 kNm at its base. An isolated footing of size 2 m × 3 m with the 3 m side along the plane of the bending moment is provided under the column. Centres of gravity of the column and footing coincide. The net maximum and minimum pressures, in kPa, on the soil under the footing are, respectively.

Question 17

Consider the following statements:
The design depth of the footing for an isolated column is governed by
1) maximum bending moment
2) maximum shear force
3) punching shear
Which of the above statements are correct?

Question 18

Which of the following should be employed to provide lateral support to the beams?
1) Bracing of compression flanges.
2) Shear connectors
3) Bracing of tension flanges.
4) Embedding compression flanges into RCC slab.
Select the correct answer using the code given below:

Question 19

A singly reinforced rectangular concrete beam has a width of 150 mm and an effective depth of 330 mm. The characteristic compressive strength of concrete is 20 MPa and the tensile strength of steel is 415 MPa. Adopt the stress block for concrete as per IS 456-2000 and take the limiting value of depth of neutral axis as 0.48 times the effective depth of the beam for considering as a balanced section. What is the likely approximation for the limiting value of the moment of resistance of the beam?

Question 20

If any tension reinforcement in an RC beam attains its yield stress during loading before the concrete in the compression zone fails due to crushing, the beam is said to be

Question 21

When is a masonry wall known as a shear wall?

Question 22

What is the net downward load to be considered for the analysis of the prestressed concrete beam provided with a parabolic cable as shown in the figure below?

Question 23

A concrete beam of rectangular cross-section of 200 mm × 400 mm is Prestressed with a force of 400 kN at an eccentricity of 100 mm. The maximum compressive stress in the concrete is

Question 24

An RC structural member rectangular in cross section of width b and depth D is subjected to a combined action of bending moment M and torsional moment T. The longitudinal reinforcement shall be designed for a moment M_e given by

Question 25

In a combined footing, in the zones where the shear stresses are less than 5 kg/cm2, stirrups to be provided are generally