Related Questions

The structure constructed to allow drainage water to flow under pressure through an inverted syphon below a canal, is called
A Syphon
B Super passage
C Super-aqueduct
D Syphon aqueduct
Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is
A Neutralised by alkali treatment
B Left as such without any treatment
C Diluted with fresh water to reduce its acidity
D None of these
When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. does not touch the underside of the supporting structure, the structure so provided, is called
A Syphon
B Aqueduct
C Super passage
D Syphon-aqueduct
The Rajasthan Canal (now called the Indira Gandhi Canal) draws its water from the
A Yamuna
B Chambal
C Sutlej
D Sutlej and Beas
When a canal and a drainage approach each other at the same level, the structure so provided, is
A An aqueduct
B A syphon
C A level crossing
D Inlet and outlet
When a canal is carried over a natural drainage, the structure provided, is known as
A Syphon
B Aqueduct
C Super passage
D Syphon-aqueduct
Absent any actual need for choosing one method over the other, does passing arrays by value to a read-only function reduce performance compared to passing them by reference?
A Yes, because the interpreter must always create a copy of the array before passing it to the function.
B Yes, but only if the function modifies the contents of the array.
C Yes, but only if the array is large.
D Yes, because PHP must monitor the execution of the function to determine if changes are made to the array.
E No
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.
A Nine times
B Six times
C Four times
D Two times
This is a --- question and should not be lightly disposed.
A difficult ,on
B silly,on
C important , in
D vexed, of
Mr. Bakhtiar works in the procurement department of a library. Under a new purchase policy, he increased the total number of books in the library by 20%. But soon afterwards, as part of the library cleaning process, 10% of the total library book stock is disposed of. What is the net change over the initial number of books in the library ?
A increased of 10%
B increased of 30%
C decreased of 8%
D none of these

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