10.

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12,

18.

14.

16.

17.

What is defined as the ratio of volume of air voids to the total volume of 8011 mass and is
expressed as percentage?
(4) void ratio (B) porosity ) ‘
(C) percentage air voids (D) air content

What is the side slope of a Cipoletti weir?
(^) 1 horizontal to 2 vertical (8) 2 horizontal to 1 vertical
(C) 4 horizontal to 1 vertical (D) 1 horizontal to 4 vertical

How the temporary hardness of water is removed?
(ಗಿ) by boiling (B) by lime soda process
(C) by zeolite process (D) by aeration

In which of the following types of concrete beam section, failure will occur all on a sudden?
(^) singly reinforced beam (13) under reinforced section
(C) balanced section (D) over reinforced section

In which condition a doubly reinforced beam is used?
(ಗ) when extra safety is needed
(B) when depth and breadth of beam have to be restricted in size
(0) when large moment is expected
(D) when depth is more than 1 m

In a water supply scheme, for what purpose aeration is carried out?
(ಗಿ) 10 76170೪6 taste and odour
(8) णि complete elimination of colloidal matter
(C) for killing pathogenic bacteria
(D) for coagulation

What is the disadvantage of centrifugal pump compared with reciprocating pump?
(ಗಿ) priming required (B) pulsatory flow
(€) 11% speed (D) difficult to handle viscous fluid

What is known as the force per unit area required to penetrate into a soil mass with a
circular plunger of 50 mm diameter at a rate of 1.25 mm/minute?

(ಹ) bearing capacity (3) modulus of rupture

(C) CBR (D) aggregate crushing value

What is floor area ratio?
(ಗಿ) ratio of total floor area on all floors to plinth area
(B) ratio of plinth area to plot area
(C) ratio of ground floor area to plot area
(D) ratio of total floor area on all floors to plot area

130/2015 4 A