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Which of the following is/are not true for a triangular pyramid? (a) Triangular pyramid has six faces. (b) Triangular pyramid has four vertices. (c) Triangular pyramid has six edges. (d) The sum of the number of faces, vertices and edges of a triangular pyramid is 14. (e) Triangular pyramid is also known as a tetrahedron.
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
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.
Consider the following statements with respect to weir under discussion: 1. Its design corresponds to soft sandy foundation. 2. The difference in weir crest and downstream river bed may not exceed 3. When water passes over it, the longitudinal location of the formation of a hydraulic jump is variable. This weir is of the type
A weir is said to be narrow-crested, if the width of the crest of the weir is Where H = height of water above weir crest
Consider the following measuring structures. A. Submerged broad-crested weir B. Free broad-crested weir C. Free sharp-crested weir D. Free ogee spillway Which is the correct sequence of the discharge coefficient of these structures in increasing order?
The discharge over a rectangular weir, considering the velocity of approach, is (where H1 = H + Ha)
(H1 = Total height of water above the weir, H = Height of water over the crest of the weir and Ha = Height of water due to velocity of approach)
An equilateral triangular sheet is formed by joining 9 equilateral triangular sheets each of area \(9\sqrt 3 \) cm2. What is the height of the bigger triangular sheet?