The down stream expansion head of a guide bank is extended to subtend an angle at the centre, equal to-A-30°B-45°C-60°D-90°-B-45°

Question

The down stream expansion head of a guide bank is extended to subtend an angle at the centre, equal to-A-30&deg;B-45&deg;C-60&deg;D-90&deg;-B-45&deg;

APTITUDE CRACK · Accepted Answer

B 45&deg; Repelling=Upstream=60 80&deg;. Attracting=Downstream=45 60&deg;.

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