Download Aptitude Crack
img not found img not found

Estimating and Costing - Engineering

Q1:

Pick up the incorrect statement regarding a master trap from the following :

A It is provided in between the lower end of the house drain and the street sewer

B It is provided a cleaning eye at the top of the trap

C The height of fresh air inlet pipe fixed vertically with wall is 3 m

D The mica flap valve which opens inwards only, is fitted at the top of the inlet pipe

E The water seal is less than that of ordinary traps.

ANS:E - The water seal is less than that of ordinary traps.

Water seal provides to avoid foul gases enter in the house through the sewer pipe.