| 1. | As per IS 456: 2000, the minimum beam width required for a reinforced concrete beam, for 2 hours of fire exposure is ? | |
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200 mm
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250 mm
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150 mm
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300 mm
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Report Question| 2. | In a double riveted double covered butt joint, the strength of the joint per pitch length in shearing the rivets Pd and strength of one rivet in single shear Ps are related as ? | |
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Pd=4Ps
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Pd= 2.5 Ps
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Pd= 3 Ps
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Pd= 2 Ps
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| 3. | In leveling work, the rise and fall method of computation provides an arithmetic check on ? | |
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fore sight and back sight
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back sight and intermediate sight
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fore sight and intermediate sight
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back sight, intermediate sight and fore sight
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| 4. | For a material having modulus of elasticity E and modulus of rigidity N, it is seen that E = 2N The bulk modulus K of the material is ? | |
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E/3
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E/4
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2(E/3)
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E/2
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| 5. | The maximum permissible value of organic solids in water, used for the preparation of concrete as per IS 456: 2000 is ? | |
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2000 mg/l
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500 mg/l
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200 mg/l
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3000 mg/l
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| 6. | For a beam with rectangular cross section, at the neutral axis, the shear stress axis is always ? | |
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minimum
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maximum
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zero
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infinity
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| 7. | Maximum allowable grades are lower for railways than for highways. The reason is ? | |
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steel wheel on steel rails have lower frictional co-efficient than rubber tyres on pavements
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trains are longer than vehicles on highways
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steel wheel on steel rails have greater frictional co-efficient than rubber tyres on pavements
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high grade causes d grade causes discomfort to passengers
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| 8. | A water treatment plant has a flow rate of 0.6 m³/s. The settling basin at the plant has effective settling volume dimensions of length 20 m. depth 3 m, and width 6 m. What percentage of the particles having a settling velocity of 0.004 m/sec is removed ? | |
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75%
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92%
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80%
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100%
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| 9. | For standard compaction test done on soil, the mass of hammer and drop of the hammer are ? | |
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5.40 kg and 450 mm
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2.60 kg and 310 mm
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2.60 kg and 450 mm
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4.80 kg and 310 mm
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| 10. | A reinforced concrete column of size 400 mm 400 mm is having the diameter of longitudinal bar as 20 mm. The pitch of lateral ties in such a case should be ? | |
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300 mm
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250 mm
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400 mm
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320 mm
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