60 Water Supply & Sanitation Chapter Wise McQ Test of 25 Question #8 Water Supply & Sanitation Chapter Wise McQ Test of 25 Question for PSC, NEC, UPSC, SSC and Many more. 1 / 25 1. The plastic and GI pipe are designated by A. internal diameter and external diameter respectively B. external diameter and internal diameter respectively C. both are internal diameter D. both are external diameter 2 / 25 2. The commonly used material for water supply pipes having property of not easily corroded, strong, long life but heavy and brittle is A. Steel B. Cast iron C. Wrought D. Rcc 3 / 25 3. Which of the following pipe generally used in water distribution mains: A. Steel B. Cast iron C. Wrought D. Rcc 4 / 25 4. Cast iron pipes A. Are widely used in city water supplies B. Resist corrosion satisfactorily C. Are normally manufactured in length of about 3.5 m D. All of the above 5 / 25 5. As compared to cast iron pipes steel pipes are A. Stronger B. Heavier C. Costlier D. all of the above 6 / 25 6. Life span of cast iron pipe is around ……… year. A. 25 B. 50 C. 75 D. 100 7 / 25 7. Steel pipe are A. Suitable for withstanding high internal pressure B. Connected by riveted or welded joint C. Generally laid underground and no expansion D. Likely to last 100 years under ordinary conditions 8 / 25 8. Which of the following pipe commonly used in main pipe line? A. Steel B. Cast iron C. Wrought D. RCC 9 / 25 9. With increase in the of size of water pipe, the permissible velocity (if discharge is constant) A. Decrease B. Increase C. Remains constant D. none of the above 10 / 25 10. Under gravity water supply system, the pipe mainly used pipe A. HDPE B. PVC C. GI D. cast iron pipe 11 / 25 11. The following pipe is not generally used for water supply inside the building A. GI pipe B. CI pipe C. WI Pipe D. Both b and c 12 / 25 12. Mostly used pipe for house plumbing is A. HDPE B. CI C. Copper pipe D. GI pipe 13 / 25 13. When pipeline have to cross rivers, streams etc., then pipe provided is A. HDPE pipe B. CI pipe C. GI pipe D. concrete pipe 14 / 25 14. Service connection to the consumer houses are generally provided with A. copper pipe B. Galvanized pipes C. PVC pipe D. Cast iron pipes 15 / 25 15. A G.I pipe has coating of A. Zinc B. Lead C. Silver D. Aluminum 16 / 25 16. A heavy GI pipe has a color of A. Blue B. Yellow C. Red D. Green 17 / 25 17. If the head of pipe is more than 100m then the types of used is A. PVC B. HDPE C. Plastic D. GI 18 / 25 18. The asbestos cement pipe is generally laid A. Horizontal B. Vertical C. In any position D. Inclined at 60 degree 19 / 25 19. HDPE pipe have a maximum pressure rating of ……….kg/cm2. A. 4 B. 6 C. 10 D. 15 20 / 25 20. The types of pipe which is generally laid vertically due to low strength A. copper B. concrete C. asbestos cement D. cast iron 21 / 25 21. The pipe which is strong to withstand internal pressure of water but weak to bear external load is …… pipe. A. Cast iron B. Steel C. Ductile iron D. Cement concrete 22 / 25 22. Asbestos pipe is A. High resistant corrosion B. Light weight and easy to transport C. Highly flexible to resist deflection up to 120 D. Very smooth 23 / 25 23. PVC pipe can withstand head of water A. 100m B. 60m C. 30m D. 50m 24 / 25 24. HDPE stands for A. High density polyethylene B. High density polythene C. High density polymer D. High density pipe 25 / 25 25. A wrong nominal internal diameter in mm for a cast iron pipe is A. 300mm B. 400mm C. 500mm D. 550mm Your score is The average score is 46% 0% Restart quiz Exit civil engineernecpscupscWater Supply & Sanitation
