* Biotechnology Question Answers Competitive Exams Online MCQ Quiz*: This mock tes

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**Civil Engineering (CE)**

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Question 1 |

If A and B are Iwo matrices and ii A13 exists, then BA exists

only ii A has as many rows as B has columns | |

only if both A and B are square matrices | |

only if A and B are skew matrices | |

only if both A and 13 arc symmetric |

Question 2 |

The order or the fleibility matrix for a structure is

equal to the number of redundant forces | |

more than the number of redundant furces | |

less than the number of redundent furces | |

equal ot the number of redundant forces plus three |

Question 3 |

The cylinder strength of the concrete is less than the cube strength because of

the difference in the shape of the cross section of the specimens | |

the difference in the slendeness ratio of the Specimens | |

the friction between the concrete specimens and the steel plate of the testing machine | |

the cubes are tested without capping but the cylinders are tested with capping |

Question 4 |

IS 459 - 1978 recommends to provide certain minimum steel in a RCC beam

to ensure compression failure | |

to avoid rupture of steel in case a Ilexural failure occurs | |

to hold the stirrup steel in position | |

to provide enough ductility to the beam |

Question 5 |

A prestressed concrete rectangular beam of size 300 mm x 900 mm is prestressed with an intial prestressing force of 700 kN at an eccentricity of 350 mm a midspan. Stress at top of the due to prestress alone, in NI mm2 is

— 3.46 (tension) | |

2.59 (compression) | |

zero | |

8.64 (compression) |

Question 6 |

Maximum size of a fillet w1d for a plate of square edge is

1.5 mm less than the thickness of the plate | |

one half of the thickness of the plate | |

thickness of the plate itself | |

1.5 mm more than the thickness of the plate |

Question 7 |

Factor of sIetv adopted by IS : 800 — 1984 while arriving a I 11w permissible stress in aiaI conpression is

2.00 | |

100 | |

1.67 | |

1.50 |

Question 8 |

Effective length of a rafter member between two nodes i a distance L, perpendicular to the plane of the truss is

2.00 L | |

0.85 | |

1 .5q | |

1 .00 L |

Question 9 |

If the porosity of a soil sample is 20%, the void ratio is

0.20 | |

0.80 | |

1.00 | |

0.25 |

Question 10 |

The shape of clay particle is usually

angular | |

flaky | |

Tubular | |

rounded |

Question 11 |

According to Darcy’s law for flow through porous media. the velocity is proportional to

effective stress | |

hydraulic gradient | |

cohesion | |

stability number |

Question 12 |

In a compaction test, as the compaction effort is increased, the ortimuni moisture content

decreases | |

remains same | |

increases | |

increases first there alter decrease |

Question 13 |

Sand and drains are used to

reduce the settlement | |

accelerate the consolidation | |

increase the permeability | |

transfer the load |

Question 14 |

Coulomb’s theory of earth pressure is based on

the theory of elasticity | |

the theror of plasticity | |

empirical rules | |

wedge theory |

Question 15 |

Thc ratio of unconhned compressive strength of an undisturbed sample of soil to that of a remoulded sample, at the same water content, is known as

activity | |

damping | |

plasticity | |

sensitivity |

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