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Civil Engineering GATE 2016 Set-1 Questions with Answer
Ques 14 Engineering Surveys
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
477 is the correct answer.
Ques 15 Environmental Engineering
Pre-cursors to photochemical oxidants are
Ques 16 Environmental Engineering
Crown corrosion in a reinforced concrete sewer is caused by
Ques 17 Environmental Engineering
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 Environmental Engineering
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 Environmental Engineering
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
4.5 is the correct answer.
Ques 20 Environmental Engineering
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
8020 is the correct answer.
Ques 21 Environmental Engineering
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
0.3 is the correct answer.
Ques 22 General Aptitude
Out of the following four sentences, select the most suitable sentence with respect to grammar and usage.
Ques 23 General Aptitude
A rewording of something written or spoken is a __________
Ques 24 General Aptitude
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 General Aptitude
If 'relftaga' means carefree, 'otaga' means careful and 'fertaga' means careless, which of the following could mean 'aftercare'?
Ques 26 General Aptitude
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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