rajasthan psc AEN exam civil mcq questions

Multiple choice question of building materials


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Total 450+ mcq questions on buiding material are important as per competitive exam

concrete technology question

1. A stair should not have pitch more than

(A) 25°

(B) 30°

(C) 40°

(D) 50°

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2. Depth or height of the arch is the

(A) Perpendicular distance between intrados and extrados

(B) Vertical distance between springing line and intrados

(C) Perpendicular distance between springing line and extrados

(D) None of the above

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3. Pick up the correct statement from the following:

(A) The pile driven in sand is called sand pile

(B) The drilled hole filled with sand is called sand pile

(C) The sand piles are used for bearing purposes

(D) None of these

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4. A wall constructed to resist the pressure of an earth filling, is called

(A) Retaining wall

(B) Breast wall

(C) Buttress

(D) Parapet wall

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5. Two columns 50 cm × 50 cm and 60 cm × 60 cm carry 80 tonnes and 120 tonnes of loads respectively. The centre to centre distance between columns is 5.00 metres. The permissible bearing capacity of the soil is 20 t/m2. If the footing is not to project more than 25 cm beyond the outside of the smaller column, pick up the correct design parameters of the footing from the following:

(A) Distance of C.G. of the loads from the smaller column = 3.00 m

(B) The length of the foundation slab = 7.00 m

(C) Area of footing slab = 11.00 m2

(D) All the above

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6. Pitched and sloping roofs are suitable for

(A) Coastal regions

(B) Plain regions

(C) Covering large areas

(D) All of the above

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7. A wooden block hinged on post outside a door, is known

(A) Cleat

(B) Stop

(C) Horn

(D) None of these

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8. If a is the offset of concrete bed in cms, and d is the depth of concrete bed in cms, then

(A) d = 0.445 a

(B) d = 0.557 a

(C) d = 0.775 a

(D) None of these

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9. In high mountainous region, the type of roof generally recommended for buildings, is

(A) Shed type

(B) Gable type

(C) Gambrel type

(D) Mansard type

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10. The function of cleats in a roof truss is

(A) To support the common rafter

(B) To support purlins

(C) To prevent the purlins from tilting

(D) All of the above

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11. The Auger borings are not common

(A) In soils that require lateral support

(B) In cohesive soils

(C) In soft soils

(D) None of the above

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12. The pile provided with one or more bulles in its vertical shaft, is generally known as

(A) Under-ream pile

(B) Friction pile

(C) Bearing pile

(D) Sheet pile

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13. Pick up the correct statement from the following:

(A) Isolated footing is provided under column to transfer the load safely to soil bed

(B) Column footings may have steps or projections in the concrete base

(C) Heavily loaded column base must be provided steel reinforcement in both directions

(D) All the above

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14. In any good staircase, the maximum and minimum pitch respectively should be

(A) 90° and 0°

(B) 75° and 30°

(C) 60° and 10°

(D) 40° and 25°

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15. Raft foundation are generally preferred to when the area required for individual footing, is more than

(A) 25% to total area

(B) 30% of total area

(C) 40% to total area

(D) 50% of total area