RRB JE-Civil Model Paper-4

Test Preparation on RRB JE-Civil Model Paper-4

1.

Which of the following statements is/ are correct?

1. For statically determinate structures, magnitudes for maximum effects due to a series of concentrated loads can be established with the aid of influence lines.

2. Cables in suspension bridges will not take the parabolic shape if uniformly loaded along the horizontal span.

3. In a three-hinged arch structure, the normal force, shear, and moment at any section are not influenced by the horizontal reaction at the support.

11, 2 and 3
21 only
32 only
43 only

2.

A three-hinged arch of span L and rise R is subjected to a concentrated load P at the crown point. The horizontal thrust at the support is

1PL/4R
2PL/R
3PR/L
4PL/3R

3.

Clockwise moments are applied to both the ends of a uniform simply supported beam. If the ratio of the rotation of two ends is 2, then the ratio of the applied moments will be

15/4
27/5
35/3
43/2

4.

Which of the following statements are correct?

1. It is common practice to discount the influence of axial thrust on the bending stiffness of members of frames.

2. In a portal frame of a single bay, the columns have different thermal coefficients of expansion. If the whole frame is subjected to the same temperature, there will be a component of deformation in the vertical direction.

3. The flexibility method of analysis cannot be used to solve any kind of indeterminate structural problem

11,2 and 3
21 and 3 only
31 and 2 only
42 and 3 only

5.

Stiffness method of structural analysis starts with

1force -deformation relations
2equilibrium condition
3compatible deformation
4equilibrium state of internal stress components

6.

For which one of the following cases is the Muller-Breslau principle applicable to get influence line?

1Reaction at the ends of a simple beam
2Bending moment at a section
3Shear force at a section
4Forces and moments at any section

7.

The area of influence diagram for the reaction at the hinged end of a uniform propped cantilever beam of span l is

13l/8
2l/2
3l/4
4l/8

8.

Consider the following statements: 1. The virtual work method is preferred to the equilibrium method for the determination of collapse load in a structure. 2. The number of plastic hinges required for the total collapse of a statically indeterminate structure is one less than the degree of indeterminacy of the structure. 3. In a large system the uniformly distributed load can be replaced by a number of concentrated loads to simplify the plastic analysis. Which of these statements are correct?

11, 2 and 3
21 and 2 only
31 and 3 only
42 and 3 only

9.

Which of the following factors would greatly affect the attainment of best possible strength of the concrete mix produced using the weigh-batcher? 1. Moisture content in the sand and gravel 2. Inadequate or excess use of approved admixtures 3. Speed of rotation of the drum 4. Non-emptying of the drum as fully as possibl

11 and 4
21 and 2
32 and 3
43 and 4

10.

The initial cost of equipment is Rs. 1100, salvage value is Rs. 100 and life of equipment is 5 years. The rate of interest for sinking fund is 8%. The yearly depreciation by straight line method is

1Rs. 200
2Rs. 400
3Rs. 600
4Rs. 800

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