ISRO Technician-B Plumber Question Paper - 2019 (Set - 1) with Answer Key

ISRO Technician-B Plumber Question Paper - 2019 (Set - 1) with Answer Key

51) The standard length of stoneware pipe excluding its socket is

Answer is:

90 cm

52) Which distribution system is most suitable for cities which are growing irregularly?

Answer is:

Dead End System

53) For achieving self cleaning velocity, 150 mm dia pipe should have a slope of

Answer is:

1:60

54) What is the meaning of the word Plumbum?

Answer is:

Lead

55) The inlet valve of a water tank of capacity 18 m3 is set at a flow rate of 0.3 litres /sec. The time required to fill the tank is

Answer is:

1000 min

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