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SSC JE 2019-20: Technical Quiz 7

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Question 1

The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by

Question 2

Determine the number of divisions required on the vernier scale, if it is combined with the main scale of least count 0.5 mm. The least count of the combination required is 0.05 mm for the direct vernier

Question 3

In surveyor’s telescope, the convex lens nearest to the eye is called ____________

Question 4

The best unit duration of storm for a unit hydrograph is

Question 5

Find the population equivalent of a city whose water demand is 12 MLD. The 5 day BOD of the water sample taken was determined as 275 mg/l. BOD₅ of the water is 80 gm per person per day.

Question 6

Infiltration rate is always

Question 7

The concrete sample is cured at 15 degree Celsius for 28 days. If the origin temperature is taken as – 11 degree Celsius, what is the maturity (degree Celsius days) of concrete sample?

Question 8

_________ is added to make white concrete.

Question 9

The peak of a 4 hour flood hydrograph is 240 m³/sec. If the rainfall excess is 80 mm and base flow which is constant is 40 m³/sec, then the peak of 4-hours unit hydrograph will be

Question 10

Which one of the following pairs is not correctly matched?

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ESE & GATE CE General

Jun 8ESE & GATE CE