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Civil Engineering Gate 2016 Set-1 Questions with Answer
Ques 14 GATE 2016 SET-1
The vertical angles subtended by the top of a tower T at two instrument stations set up at P and Q, are shown in the figure. The two stations are in line with the tower and spaced at a distance of 60 m. Readings taken from these two stations on a leveling staff placed at the benchmark (BM=450.000 m) are also shown in the figure. The reduced level of the top of the tower T (expressed in m) is

Ques 15 GATE 2016 SET-1
Pre-cursors to photochemical oxidants are
Ques 16 GATE 2016 SET-1
Crown corrosion in a reinforced concrete sewer is caused by
Ques 17 GATE 2016 SET-1
It was decided to construct a fabric filter, using bags of 0.45 m diameter and 7.5 m long, for removing industrial stack gas containing particulates. The expected rate of airflow into the filter is 10 m3/s. If the filtering velocity is 2.0 m/min, the minimum number of bags (rounded to nearest higher integer) required for continuous cleaning operation is
Ques 18 GATE 2016 SET-1
Match the items in Group - I with those in Group - II and choose the right combination.
| Group - I | Group - II |
|---|---|
| P. Activated sludge process | 1. Nitrifiers and denitrifiers |
| Q. Rising of sludge | 2. Autotrophic bacteria |
| R. Conventional nitrification | 3. Heterotrophic bacteria |
| S. Biological nitrogen removal | 4. Denitrifiers |
Ques 19 GATE 2016 SET-1
Effluent from an industry A' has a pH of 4.2. The effluent from another industry B' has double the hydroxyl (OH) ion concentration than the effluent from industry 'A'. pH of effluent from the industry 'B' will be
Ques 20 GATE 2016 SET-1
An electrostatic precipitator (ESP) with 5600 m2 of collector plate area is 96 percent efficient in treating 185 m3/s of flue gas from a 200 MW thermal power plant. It was found that in order to achieve 97 percent efficiency, the collector plate area should be 6100 m2 In order to increase the efficiency to 99 percent, the ESP collector plate area (expressed in m2 would be
Ques 21 GATE 2016 SET-1
The 2-day and 4-day BOD values of a sewage sample are 100 mg/L and 155 mg/L, respectively. The value of BOD rate constant (expressed in per day) is
Ques 22 GATE 2016 SET-1
Out of the following four sentences, select the most suitable sentence with respect to grammar and usage.
Ques 23 GATE 2016 SET-1
A rewording of something written or spoken is a __________
Ques 24 GATE 2016 SET-1
Archimedes said, "Give me a lever long enough and a fulcrum on which to place it, and I will move the world."
The sentence above is an example of a ______ statement.
Ques 25 GATE 2016 SET-1
If 'relftaga' means carefree, 'otaga' means careful and 'fertaga' means careless, which of the following could mean 'aftercare'?
Ques 26 GATE 2016 SET-1
A cube is built using 64 cubic blocks of side one unit. After it is built, one cubic block is removed from every corner of the cube. The resulting surface area of the body (in square units) after the removal is
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