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The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice)
A rectangular orifice of 2 m width and 1.2 m deep is fitted in one side of large tank. The easier level on one side of the orifice is 3m above the top edge of the orifice while on the other side of the orifice the water level is 0.5 m below it’s top edge. Calculate discharge if Cd = .64
The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice and H = Difference between two water levels on either side of the orifice)
The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice)
The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice and Cd = Coefficient of discharge)
A metal crystallizes into two cubic phases BCC and FCC. The ratio of densities of FCC and BCC is equal to 1.5. Calculate the difference between the unit cell lengths of the FCC and BCC crystals if the edge length of the FCC crystal is equal to 4.0 Å.
An orifice meter, having an orifice of diameter ‘d’ is fitted in a pipe of diameter D. For this orifice meter, what is the coefficient of discharge Cd?
Rahul won a lottery worth Rs. 75000, the amount of lottery is distributed among Rahul, the distributor of the lottery and the organizer. The ratio of the amount given to distributor and organizer is 12: 7 while the ratio of the amount given to Rahul and that given to the distributor is 14 : 3. What is the total amount given to Rahul?
An orifice is known as large orifice when the head of liquid from the center of orifice is:
The figure shows the cross-sectional diagram of an orifice flow meter with an orifice radius R. Point ‘a’ is 30 R upstream while points ‘b’ and ‘c’ are 0.8 R and 30 R downstream from the orifice respectively. The pressure at points a, b and c are PaPb, and Pc respectively. Then