All India SSC JE 2017 Civil Engineering - Quiz 21

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Question 1

The rainfall on five successive days on a catchment was 3, 6, 9, 5 and 1 cm respectively. If the φ-index for the storm can be assumed to be 3 cm/day, the total direct runoff from the catchment due to this storm is

• A11 cm
• B24 cm
• C9 cm
• D20 cm

Question 2

The biaxial stress system in an element is shown in the figure. Which of the following will give the normal stress in N/mm² in the plane BD making an angle of 45^o with the plane BA?

• A25
• B20
• C15
• D10

Question 3

A catchment area of 60 ha has a runoff coefficient of 0.40. if a strom of intensity 3 cm/h and duration longer than the time of concentration occurs in the catchment, then what is peak discharge?

• A2.0 m³/s
• B3.5 m³/s
• C4.5 m³/s
• D2.5 m³/s

Question 4

The energy grade line (EGL) for steady flow in a uniform diameter pipe is shown below.

Which of the following items is contained in the box?

• AA pump
• BA turbine
• CA partially closed valve
• DAn abrupt expansion

Question 5

For water supply to a medium town, what is the peak factor?

• A1.5
• B2.5
• C3
• D3.5

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