Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be________________?

A. Nil
B. 5
C. 10
D. 15

Surge tanks are used_______________?

A. For storage water
B. To increase the velocity in a pipeline
C. As overflow valves
D. To guard against water hammer

Average annual rainfall at any station is the average of annual rainfall over a period of________________?

A. 7 years
B. 14 years
C. 21 years
D. 28 years

Sunlight_________________ ?

A. Helps growth of bacterias
B. Impedes growth of algae
C. Increases dissolved oxygen content
D. Reduces turbidity

The yield of a rapid gravity filter as compared to that of slow sand filter, is__________________?

A. 10 times
B. 15 times
C. 20 times
D. 30 times

The fire demand of a city may be worked out by _________________?

A. kuichling’s formula
B. freeman formula
C. under writers formula
D. bustan’s formula

Maximum slenderness ratio of load bearing walls for a dwelling having more than 2 storeys________________?

A. I) shall not exceed 12 if lime mortar is used
B. Ii) shall not exceed 18 if cement lime mortar 1:2:9 is used
C. Iii) shall not exceed 24 if cement mortar 1:6 is used
D. The correct statments is ?

Assertion A : For eccentricity ratio exceeding 1/6, effective thickness of masonry will get reduced. Reason R : For eccentricity ratio exceeding 1/6, there will be tension on one side of the member?

SelEct your answer according to the codes give below.
D. None of these

If the ratio of center to center spacing of intersecting walls to actual thickness of intersecting wall is more than 20, then the stiffening coefficient for wall proper will be_________________?

A. 0
B. Between 0 and 1
C. 1
D. Greater than 1

Where a structural component or a system is providing lateral support to five or more walls or columns, the lateral load to be resisted may be taken as_______________?

A. 4 percent
B. 5 percent
C. 6 percent
D. 7 percent