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ISRO Technician-B
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ISRO Technician-B Plumber 2017
38

ISRO Technician-B Plumber Question Paper - 2017 (Set - 1) with Answer Key

38) A closed drain carrying night soild and other water-borne waste is called

Drainage

Drain

Sewer

Sewerage

Answer is:

Sewer

ISRO Technician-B Plumber Question Paper - 2017 (Set - 1) with Answer Key

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Related ISRO Technician-B Plumber Question Paper - 2017 (Set - 1) with Answer Key

39) Priming is the process of

Remove the air present in suction side of pump

Rotating the impeller by hand

Immersing the pump-set in water

Filling with water through foot valve

Answer is:

Remove the air present in suction side of pump

40) For taking water which one is provided inside the building and streets

Check valve

Drain valve

Pressure valve

Stop cock

Answer is:

Stop cock

41) Water consumption per captia, per day, for domestic purpose, as per Indian Standard is

150 Liters

135 Liters

100 Liters

75 Liters

Answer is:

135 Liters

42) As per IS:10500 for drinking water standards, the acceptance limit of pH value is

6.5 to 8.5

4.5 to 5.5

9.5 to 10.5

1.5 to 3.5

Answer is:

6.5 to 8.5

ISRO Technician-B Plumber Question Paper - 2017 (Set - 1) with Answer Key

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