Discussion
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- Question
Pick up the correct statement from the following:
Options- A. The range of water content between the liquid limit and plastic limit, is called plasticity index.
- B. The ratio of the liquid limit minus the natural water content to the plasticity index of soils, is called consistency index
- C. The ratio of natural water content minus its plastic limit to its plasticity index is called liquidity index
- D. The ratio between plasticity index and flow index (i.e. slope of flow curve in case of liquid limit), is called toughness index
- E. All the above.
- Correct Answer
- All the above.
- 1. The equation of a parabolic arch of span l and rise h, is given by
Options- A.
- B.
- C.
- D.
Discuss
- 2. Normal values of overflow rate for sedimentation tanks using coagulants in litres/hr/m2 , generally range between
Options- A. 250 to 500
- B. 500 to 750
- C. 750 to 1000
- D. 1000 to 1250 Discuss
- 3. For concreting of heavily reinforced sections without vibration, the workability of concrete should be
Options- A. very low
- B. low
- C. medium
- D. high. Discuss
- 4. In a braking test, a vehicle travelling at 36 km ph was stopped at a braking distance of 8.0 m. The average value of the vehicle's skid resistance (friction coefficient) is
Options- A. 0.64
- B. 6.25
- C. 0.16
- D. none of these Discuss
- 5. Ultimate strength to cement is provided by
Options- A. Tricalcium silicate
- B. Di-calcium silicate
- C. Tri-calcium aluminate
- D. Tetra calcium alumino ferrite. Discuss
- 6. At a rated capacity of 44 Cumecs, a centrifugal pump develops 36 m of head when operating at 1450 rpm. Its specific speed is :
Options- A. 654
- B. 509
- C. 700
- D. 90 Discuss
- 7. The seepage force in a soil, is
Options- A. perpendicular to the equipotential lines
- B. proportional to the exit graident
- C. proportional to the head loss
- D. all the above. Discuss
- 8. In highway pavements emulsions are mainly used in :
Options- A. surface dressing
- B. patching and maintenance operation
- C. bitumen macadam
- D. asphaltic concrete Discuss
- 9. Coulomb's theory of earth pressure is based on :
Options- A. the theory of elasticity
- B. the theory of plasticity
- C. empirical rules
- D. wedge theory Discuss
- 10. A floating body attains stable equilibrium if its metacentre is
Options- A. at the centroid
- B. above the centroid
- C. below the centroid
- D. anywhere. Discuss
More questions
Correct Answer:
Correct Answer: 1000 to 1250
Correct Answer: high.
Correct Answer: 0.16
Correct Answer: Di-calcium silicate
Correct Answer: 654
Correct Answer: all the above.
Correct Answer: patching and maintenance operation
Correct Answer: wedge theory
Correct Answer: above the centroid
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