50 Water Supply & Sanitation Chapter Wise McQ Test of 25 Question #9 Water Supply & Sanitation Chapter Wise McQ Test of 25 Question for PSC, NEC, UPSC, SSC and Many more. 1 / 25 1. Copper pipes are A. Highly resistant to acidic and alkaline water B. Easy to bend and do not sag C. Not liable to corrosion D. all of the above 2 / 25 2. The minimum size of pipe used for house plumbing A. 10mm B. 12mm C. 20mm D. 15mm 3 / 25 3. The best materials for pipes to be laid under water is A. Cast iron B. Steel C. Cement concrete D. Asbestos cement 4 / 25 4. PCC up to 60cm diameter used pressure A. Less than 15m of water B. Greater than 15m of water C. Less than 60m of water D. Greater than 60m of water 5 / 25 5. RCC is used for diameter>60cm and pressure up to A. 60m of water B. 65m of water C. 50m of water D. 70m of water 6 / 25 6. The main disadvantage of cement concrete pipe is A. Less strength B. Difficulty in construction C. Less life D. Difficulty in transportation due to heavy weight 7 / 25 7. CPVC (chlorinated polyvinyl chloride) pipe can carries hot up to: A. 90°C B. 80°C C. 60°C D. 50°C 8 / 25 8. The joint provided in HDPE pipe is A. Butt welding B. solvent welding C. flanged joint D. all of the above 9 / 25 9. The type of joint used in plastic pipe A. Butt welding B. solvent welding C. flanged joint D. all of the above 10 / 25 10. Asbestos pipe are joined by A. Flanged joint B. Flexible joint C. Simplex joint D. Dress coupling joint 11 / 25 11. The joint provided for cast iron pipe A. spigot and socket joint B. collar joint C. screwed joint D. welding 12 / 25 12. In order to consider temperature changes, metal pipes are usually provided with A. Expansion joint B. Contraction joint C. Anchorages D. Pressure relief valve 13 / 25 13. The pipe joint commonly used in pumping station is A. Flanged joint B. Flexible joint C. Simplex joint D. Dress coupling joint 14 / 25 14. The type of joint generally used in cast iron pipes, is A. Flanged joint B. Dresser coupling joint C. Socket and spigot joint D. All of the above 15 / 25 15. The type of joint used in joining the plain ends of cast iron pipes is A. Flanged joint B. Flexible joint C. Dresser coupling joint D. Socket and spigot joint 16 / 25 16. The type of joint not used to resist shock, vibration etc is A. Flanged joint B. Flexible joint C. Dresser coupling joint D. Socket and spigot joint 17 / 25 17. GI pipe coming from both side is joined with fitting called A. Socked B. Tee C. Union D. Elbow 18 / 25 18. At the socket and spigot joint: A. Enlarged end of the pipe is called socket B. Normal end of the pipe is called spigot C. Spigot is fitted into the socket D. All of the above 19 / 25 19. Where chance of settlement the …….is used A. Flexible joint B. Flanged joint C. Dress coupling joint D. All of the above 20 / 25 20. The valve is designed to give very accurate control of flow A. Needle valve B. Butterfly valve C. Float valve D. Poppet valve 21 / 25 21. The valve provided on the suction of pipe A. Foot valve B. Sluice valve C. Float valve D. Poppet valve 22 / 25 22. The valve provided on the suction of pipe A. Reflux valve B. Sluice valve C. float valve D. poppet valve 23 / 25 23. In distribution pipes, drain valves are provided at A. Lower point B. Higher point C. Junction points D. Any where 24 / 25 24. Air inlet valve is provided in water main at A. Summit of the pipe B. Downstream of the sluice valve C. Both a and b D. Upstream of the sluice valve 25 / 25 25. The valve provided at summit of pipe is A. Gate valve B. Globe valve C. Air valve D. Drain valve Your score is The average score is 50% 0% Restart quiz Exit civil engineermock testnecpscupscWater Supply & Sanitation
