A notch is, usually, made of a metallic plate.

Related MCQs

• The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch.
• The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)
• An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch.
• The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch
• The difference between the notch and weir is that the notch is of bigger size and the weir is of a smaller size.
• When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.
• The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by
• The discharge over a rectangular notch is
• The sheet of water flowing over a notch or a weir is known as
• An error of 1% in measureing head over the crest of the notch (H) will produce an error of