Questions 201–210 of 724. Imported answers require independent review unless marked reviewed.

Topic practice 724 questionsPage 21 of 73

Question 43

Open question
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For assessing the compliance with the emissions standards of incineration plants, a correction needs to be applied to the measured concentrations of air pollutants. The emission standard (based on 11% Oxygen) for HCl is 50 mg/Nm³ and the measured concentrations of HCl and Oxygen in flue gas are 42 mg/Nm³ and 13%, respectively.
Assuming 21% Oxygen in air, the CORRECT statement is:
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Question 43

Open question
CE2MCQ2 marksNeeds review
The consolidated data of a spot speed study for a certain stretch of a highway is given in the table.
Speed range (kmph)
Number of observations
0 - 10
7
10 - 20
31
20 - 30
76
30 - 40
129
40 - 50
104
50 - 60
78
60 - 70
29
70 - 80
24
80 - 90
13
90 - 100
9
The “upper speed limit” (in kmph) for the traffic sign is
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Question 44

Open question
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The free mean speed is 60 km/hr on a given road. The average space headway at jam density on this road is 8 m. For a linear speed-density relationship, the maximum flow (in veh/hr/lane) expected on the road is
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Question 45

Open question
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A map is prepared with a scale of 1: 1000 and a contour interval of 1 m. If the distance between two adjacent contours on the map is 10 mm, the slope of the ground between the adjacent contours is
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Question 1

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“I have not yet decided what I will do this evening; I _____ visit a friend.”
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Question 1

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The line ran ______ the page, right through the centre, and divided the page into two.
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Question 2

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Eject : Insert :: Advance : ______ (By word meaning)
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Question 2

Open question
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Kind : ______ : Often : Seldom (By word meaning)
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Question 3

Open question
GAMCQ1 markNeeds review
In the given figure, PQRST is a regular hexagon with each side of length 5 cm. A circle is drawn with its centre at V such that it passes through P. What is the area (in cm²) of the shaded region? (The diagram is representative)
Diagram for Civil Engineering question 3

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Question 3

Open question
GAMCQ1 markNeeds review
In how many ways can cells in a 3 × 3 grid be shaded, such that each row and each column have exactly one shaded cell? An example of one valid shading is shown.
Diagram for Civil Engineering question 3

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