Related Questions

The self cleansing velocity for all sewers in India is usually
A Less than 1.0 m/sec
B 1.0 m/sec to 1.2 m/sec
C 1.5 m/sec to 2.0 m/sec
D 3.0 m/sec to 3.5 m/sec
With self cleansing velocity in sewers
A Silting occurs at bottom
B Scouring occurs at bottom
C Both silting and scouring occur at bottom
D Neither silting nor scouring occurs at bottom
The effect of increasing diameter of sewer on the self cleansing velocity is
A To decrease it
B To increase it
C Fluctuating
D Nil
Self-cleansing velocity is
A Velocity at dry weather flow
B Velocity of water at flushing
C Velocity at which no accumulation remains in the drains
D Velocity of water in a pressure filter
The self-cleansing velocity of water flowing through pipe lines, is
A 2 metres/sec
B 1 metre/sec
C 0.5 metre/sec
D 0.25 metre/sec
Cement concrete sewers are only suitable if non-scouring velocity is between
A 2.5 to 3.0 m/sec
B 3.0 to 4.0 m/sec
C 3.5 to 4.5 m/sec
D 4.5 to 5.5 m/sec
In sewers the velocity of flow should not be
A More than the self-cleansing velocity
B Less than the self-cleansing velocity
C Less than 10 m/sec
D More than 20 m/sec
In sewers the highest non-scouring velocity is achieved in
A Glazed bricks sewers
B Cast iron sewers
C Cement concrete sewers
D Stone ware sewers
The recent mass killings and atrocities of Rohingya Muslims in Myanmar was described as a 'text book example of ethnic cleansing' by :
A Turkey's President Recep Tayyip Erdogan.
B UN High Commissioner for Refugees.
C UN High Commissioner for Human Rights .
D Un Secretary General.
The recent mass killings and atrocities of Rohingya Muslims in Myanmar was described as a 'text book example of ethnic cleansing ' by:
A Turkey's President Recep Tayyip Erdogan .
B UN High Commissioner for Refugees.
C UN High Commissioner for Human Rights .
D UN Sectetary General .

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