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The member which is placed horizontally to support common rafter of a sloping roof, is
A) Purlin B) Strut C) Batten D) Cleat

The activities of a project, are shown on bar charts by
A) Vertical lines B) Dots C) Crosses D) Horizontal lines

The performance of a specific task in Critical Path Method is known as
A) Contract B) Activity C) Dummy D) Event

The principle involved in collection and sampling of particulate matter in which the
particles are drawn through a device by deflecting them from their original paths is
called

A) Electrostatic Precipitation B) Scattering

C) Gravitational Settling D) Filtration

Consider the following statements.

1. Specific storage is specific capacity per unit depth of the aquifer.

2. Specific capacity is storage coefficient per unit aquifer depth.

3. Specific capacity is a constant for a given well.

Which of the statement are correct ?

A) 2and3 B) 2and1 C) 2only D) 3 only

A circular primary clarifier processes an average flow of 7000 m3/d of municipal
wastewater. The overflow rate is 70 m3/d. The diameter of the clarifier is

A) 3.59 B) 11.28 C) 14.00 D) 5.64
A waste treatment plant is designed to treat 5 m3 of raw water. It has 15 sand filters.

The surface area of each filter is 100 m2. What is the loading rate (in m3/daym?) with
three filters out of service for routine backwashing ?

A) 144 B) 72 C) 360 D) 720
Match the following :
SI. No. List- A 1151-8
i. Zone of Degradation a. Algae reappears while fungi decreases
ii. | Zone of Recovery b. Unfavourable to the development of aquatic
life

©

iii. | Zone of Active Decomposition ೦. Appearance of usual aquatic life

iv. Zone of Cleaner Water d. Bacteria and flora flourishes
i ii ii iv

A)a 0 ൦ ५

B)b d ० 8

00 0 ௨௦

D)a 0 ५ ०