SSC JE Civil Engineering 24th Jan 2018 Shift-1

Instructions

For the following questions answer them individually

Question 141

What is the theoretical value of the coefficient of contraction for the sharp edge orifice?

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Question 142

Hydraulic radius of the channel is defined as the ratio of _____.

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Question 143

In which type of the following flow, loses are more?

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Question 144

If the diameter of the pipe is given as D, what is the maximum thickness of the boundary layer?

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Question 145

Calculate the critical velocity (m/sec) of a channel using Kennedy’s theory, if the depth of flow is 3 m.

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Question 146

Which one of the followings is NOT a cause of water logging?

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Question 147

Which instrument is used for the measurement of the longitudinal coefficient of friction?

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Question 148

Calculate the capacity (vehicle per hour) of the road when reaction time of the driver is 2 seconds. The design speed is 80 kmph and average length of the vehicle is 6 m. Take coefficient of friction as 0.35.

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Question 149

Which of the following is the result of disinfection of water?

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Question 150

Which of the following process includes chlorination of water above the break point?

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