While determining the yield of open wells by the pumping test

A Velocity of recharging water, increases with depression head
B Depression head resulting at critical velocity, is called critical depression head
C Working head is generally limited to ?rd of the critical depression head
D Maximum safe yield of an open well, is expected at critical depression head

Correct Answer: Maximum safe yield of an open well, is expected at critical depression head

Bissoy MCQ
#Civil Engineering #Water Supply Engineering

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As compared to shallow wells, deep wells have
A More depth
B Less depth
C More discharge
D Less discharge
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If Z is open, which of the following must be true?
A S is open
B T is open
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D y is open
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If R is closed and U is open, which of the following must be true?
A S is open
B T is open
C T is closed
D Y is closed
Specific capacity or yield of wells, is generally expressed, as
A m3/sec
B m3/hour
C m3/hour/m2
D m3/hour/m2/m
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If the maximum number of valves that can be closed at the same time are closed which of the following must true?
A R is open
B S is open
C T is open
D Z is open
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. Which of the following, if given to the mixing vat operator as an instruction, would not determine the setting of any other valve ?
A S must be open
B T must be open
C U must be open
At a selling price of Tk. 275 a book yield 25% profit. What selling price will yield the profit of 10%?
A 210
B 242
C 221
D 235
The yield moment of a cross section is defined as the moment that will just produce the yield stress in
A The outer most fibre of the section
B The inner most fibre of the section
C The neutral fibre of the section
D The fibre everywhere
When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield.
A Is greater than
B Is smaller than
C Equals
D Can be either greater or smaller than (depends on the type of reaction)
An ideal plastic substance indicates no deformation, when stressed upto yield stress, but behaves like a Newtonion fluid beyond yield stress. Which of the following is an ideal plastic?
A Sewage sludge
B Rubber latex
C Blood
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