A piece of work takes 20 labourers to complete in 10 days. how many labourers will complete the same job in 25 days if they work
1 answer:
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Answer:
The answer is below
Step-by-step explanation:
12 inches = 1 ft.
6 inches = 6 inches * (1 ft./12 inches) = 0.5 ft.
Therefore the diameter of the cast iron (D) = 6 inches = 0.5 ft.
The area of cast iron (A) = πD²/4 = π(0.5)²/4 = 0.196 ft²
The velocity (V) = 6 ft./s, the acceleration due to gravity (g) = 32.2 ft./s²
ε/D = 0.0004 ft./ 0.5 ft. = 0.0008
Using the moody chart, find the line ε/D = 0.0008 and determine the point of intersection with the vertical line R = 2.7 * 10⁵. Hence we get f = 0.02.
The head loss (h) is:
The pressure drop (Δp) is:
Δp = ρg =
Answer:
0.5
Step-by-step explanation:
An uniform probability is a case of probability in which each outcome is equally as likely.
For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.
The probability that we find a value X higher than x is given by the following formula.
The mail arrival time to a department has a uniform distribution over 5 to 45 minutes.
This means that .
What is the probability that the mail arrival time is more than 25 minutes on a given day?
So the probability that the mail arrival time is more than 25 minutes on a given day is 0.5.