- (A) at right angle and parallel to weir crest
- (B) parallel and at right angle to weir crest
- (C) parallel to weir crest in both
- (D) at right angle to weir crest in both
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- (A) depends on depth of approach and upstream slope
- (B) depends on downstream apron interference and downstream submergence
- (C) remains constant
- (D) both (A) and (B)
- (A) straight drop spillway
- (B) shaft spillway
- (C) chute spillway
- (D) ogee spillway
- (A) sudden drawdown
- (B) steady seepage
- (C) during construction
- (D) sloughing of slope
- (A) 50 mm
- (B) 60 mm
- (C) 90 mm
- (D) 140 mm
- (A) 1 hour
- (B) one-fourth of basin lag
- (C) one-half of basin lag
- (D) equal to basin lag
- (A) same duration only
- (B) same and shorter duration
- (C) same and longer duration
- (D) any duration
- (A) PT = 1
- (B) PT2 = 1
- (C) P/T = 1
- (D) P/T2 = 1
- (A) T = kd
- (B) T = k/d
- (C) T= Vkd
- (D) k= VTd
- (A) is always deeper than a shallow well
- (B) has more discharge than a shallow well
- (C) is weaker structurally than a shallow well
- (D) both (A) and (B)
