1
GATE CE 2023 Set 2
MCQ (Single Correct Answer)
+1
-0.33
In the context of Municipal Solid Waste Management, β€˜Haul’ in β€˜Hauled Container System operated in conventional mode’ includes the _________.
A
time spent by the transport truck at the disposal site
B
time spent by the transport truck in traveling between a pickup point and the disposal site with a loaded container
C
time spent by the transport truck in picking up a loaded container at a pickup point
D
time spent by the transport truck in driving from the depot to the first pickup point
2
GATE CE 2023 Set 2
MCQ (More than One Correct Answer)
+1
-0
Which of the following is/are NOT active disinfectant(s) in water treatment?
A
OH (hydroxyl radical)
B
O3 (ozone)
C
OClβˆ’ (hypochlorite ion)
D
Clβˆ’ (chloride ion)
3
GATE CE 2023 Set 2
Numerical
+1
-0

For the elevation and temperature data given in the table, the existing lapse rate in the environment is _____ ℃/100 m (round off to two decimal places).

$$ \begin{array}{|c|c|} \hline \text { Elevation from ground level (m) } & \text { Temperature }\left({ }^{\circ} \mathbf{C}\right) \\ \hline 5 & 14.2 \\ \hline 325 & 16.9 \\ \hline \end{array} $$
Your input ____
4
GATE CE 2023 Set 2
MCQ (Single Correct Answer)
+2
-0.67

Match the following air pollutants with the most appropriate adverse health effects :

Air pollutant Health effect to human and/or test animal
(P) Aromatic hydrocarbons (IV) Carcinogenic effect
(Q) Carbon monoxide (I) Reduce the capability of the blood to carry oxygen
(R) Sulfur oxides (II) Bronchitis and pulmonary emphysema
(S) Ozone (III) Damage of chromosomes
A
(P) – (II), (Q) – (I), (R) – (IV), (S) – (III)
B
(P) – (IV), (Q) – (I), (R) – (III), (S) – (II)
C
(P) – (III), (Q) – (I), (R) – (II), (S) – (IV)
D
(P) – (IV), (Q) – (I), (R) – (II), (S) – (III)
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