Question
Which one of the following is recommended to measure
water flow from a pipe?Solution
A Venturi meter is a flow measurement device used to measure the flow rate of a fluid, typically a liquid or gas, through a pipe. It is based on the principle of the Venturi effect, which states that as the velocity of a fluid increases, its pressure decreases.
‘n’ men working 20 hours a day can complete a work in 8 days while (6n – 4) men working 10 hours a day can complete the same work in 8...
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V and N, working individually, can complete a task in (w – 2) days and (w + 4) days, respectively. N initiated the task alone and was later joined by ...
Three Typists Axe, Wye and Zed working together 3 hours per day and can type 720 pages in 12 days. In a day Wye types as many pages more than Axe as Zed...
P can do a piece of work in 15 days, Q can complete double the work in 40 days and R can do the work in 20 days. If all of them together earn Rs. 3000, ...
‘A’ alone can complete a work in 40 days while ‘A’ and ‘B’ together can complete the same work in 20 days. How much ...
‘X’ can complete a job in 30 days. ‘Y’ is 50% more efficient than ‘X’. How long will they take to finish 75% of the work together?
...2 men and 5 boys can together complete a work in 8 days. 3 men and 4 boys can together complete the same work in 6 days. Find the time taken by 7 boys ...
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