ISRO Scientist or Engineer Architecture 2015

Instructions

For the following questions answer them individually

ISRO Scientist or Engineer Architecture 2015 - Question 71


A tankis filled in 7 hours by three pipes X, Y, and Z. The pipe Z is twice as fast as Y and Y is twice as fast as X. How much time will pipe X alonetaketo fill the tank?

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ISRO Scientist or Engineer Architecture 2015 - Question 72


The angle of elevation of a ladder leaning against a wall is 60 degree, and the foot of the ladderis 3.60 m away from the wall. Then the length of the ladderis

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ISRO Scientist or Engineer Architecture 2015 - Question 73


Find the odd man out:
792, 363, 176, 427, 473, 561

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ISRO Scientist or Engineer Architecture 2015 - Question 74


Whichoneof the following cannot be the square of natural number?

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ISRO Scientist or Engineer Architecture 2015 - Question 75


As per Indian standards, average rate of water consumption per head per dayis

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ISRO Scientist or Engineer Architecture 2015 - Question 76


In pressure supply mains, water hammerpressure is reduced by providing

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ISRO Scientist or Engineer Architecture 2015 - Question 77


A pipe, which is installed in the house drainage system to preserve the water seal of trapsis called

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ISRO Scientist or Engineer Architecture 2015 - Question 78


For treating the sewerageof a large city, which one of the following option is recommended?

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ISRO Scientist or Engineer Architecture 2015 - Question 79


According to Indian road congress the width of thecarriage way is

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ISRO Scientist or Engineer Architecture 2015 - Question 80


On hill roads maximum superelevation should not exceed

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