As compared to notch, the size of weir is large.

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.
• A rectangular notch gives more accurate results for low discharges than a triangular notch.
• The cippoletti weir is a trapezoidal weir, having side slope 1 horizontal to 4 vertical.
• A 12 m long weir is subdivided by four intermediate vertical posts each 0.6 m wide. If the weir is discharging under a head of 0.5 m, calculate discharge using Francis formula.
• The equation of rectangular notch is deal with H is
• The equation of V-notch is deal with H is
• 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.
• Determine the head over sill of a 90° V-notch when the discharge passing over it is 100 lit/sec. consider Cd 0.6.
• The top of a weir over which water flows is known as