The upper surface of a weir over which water flows is known is

Related MCQs

• A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.
• A weir is said to be broad crested weir, if the width of the crest of the weir is ________ half the height of water above the weir crest.
• When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as
• When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as
• In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir.
• The formula for discharge over a sharp-crested weir and Ogee weir is same as that of a rectangular weir.
• In a sharp-crested weir, the thickness of the weir is kept less than half of the height of water above the crest of the weir.
• A weir is said to be narrow-crested weir, if the width of the crest of the weir is
• A square surface 3 m × 3 m lies in a vertical line in water pipe its upper edge at water surface. The hydrostatic force on square surface is
• To to of the weir over which the water flows in known as