Multiple Choice Question: The vena contracta of a sharp-edged hydraulic orifice usually occurs:

The vena contracta of a sharp-edged hydraulic orifice usually occurs:

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Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.

A bag contains 20 tennis balls, of which four are defective. If two balls are selected at random from the bag, what is the probability that both are defective?
Two casks A and B were filled with two kinds of sherry. In cask A, the ratio of the two kinds of sherry is 2:7 while in B, it is 1:5.
Find $\displaystyle \sum_{n = 1}^5 S_n$ where $S_n = 2/n$.
A pipe can alone fill a tank in 5 hours, while a drain could do the contrary in 12 hours.
sIg3ZYd-3 What is the deflection angle of the station just before PT?
What time after 3:00 o’clock would the hour-hand and the minute-hand of a continuously driven clock subtends an angle of 45deg; for the second time?
A construction company wants to number new houses using digit plates only. If the company puts an order for 1212 plates how many houses are to be given numbers? (The numbers of houses are consecutive and the number of the first house is 1).
CPM factory employs 60 workers. If 4 out of every 5 workers are married, how many married workers are employed by the factory?
What is the value of 0.727272 in fraction?
At 2:15 o'clock, the hour and minute hands of a clock form an angle of:
A couple decides to entertain 24 friends by giving 4 dinners with 6 guests each. In how many ways can the 1st group be chosen?
Jojie was sent to the store to get 11 cans of spam. Jojie could carry only two cans at a time. How many trips would Jojie have to make?
Ernie’s average in 6 subjects is 83. If his lowest grade is disregarded, his remaining subject is 84. What is his lowest grade?
A Ferris wheel, 9 m in radius, is rotating such that the riders will experience zero gravity at the topmost part of the wheel. How many revolutions it made in every minute?
Find the equation of the line through (4, -7) parallel to the y-axis.

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