A rectangular notch gives more accurate results for low discharges than a triangular notch.

Related MCQs

• Water is flowing through a rectangular notch, having base width 500 mm and head over it is 160 mm. Find discharge of notch if Cd = 0.6.
• Only one reading, i.e. head (H) is required to be taken for the measurement of discharge in a triangular notch.
• The same triangular notch can measure a wide range of flows accurately.
• The equation of rectangular notch is deal with H is
• An inverted triangular plate is having base parallel to water surface with width 1.6 m and height 2.10 m. It is submerged in water in such a way that its base is 1.0 m below free surface. Find total pressure.
• As compared to notch, the size of weir is large.
• The equation of V-notch is deal with H is
• Determine the head over sill of a 90° V-notch when the discharge passing over it is 100 lit/sec. consider Cd 0.6.
• A rectangular plate of 2 m x 3 m height is immersed in water vertically with top edge parallel to and at depth of 3 m below free surface. Calculate total water pressure.
• For rectangular section, Hydraulic mean depth is