1
GATE CE 2024 Set 1
MCQ (Single Correct Answer)
+1
-0.33

The following table gives various components of Municipal Solid Waste (MSW) and a list of treatment/separation techniques.

Component of MSWTreatment/separation technique
P - Ferrous metalsi - Incineration
Q - Aluminum and copperii - Rapid composting
R - Food wasteiii - Eddy current separator
S - Cardboardiv - Magnetic separator

The CORRECT match is

A

P-iii, Q-iv, R-i, S-ii

B

P-iv, Q-iii, R-ii, S-i

C

P-iii, Q-iv, R-ii, S-i

D

P-iv, Q-iii, R-i, S-ii

2
GATE CE 2023 Set 1
MCQ (More than One Correct Answer)
+1
-0
Identify the waterborne diseases caused by viral pathogens:
A
Acute anterior poliomyelitis
B
Cholera
C
Infectious hepatitis 
D
Typhoid fever
3
GATE CE 2016 Set 2
Numerical
+1
-0
The hardness of a ground water sample was found to be 420 mg/L as $$CaCO_3$$. A softener containing ion exchange resins was installed to reduce the total hardness to 75 mg/L as $$CaCO_3$$ before supplying to 4 households. Each household gets treated water at a rate of 540 L/day. If the efficiency of the softener is 100%, the bypass flow rate (expressed in L/day) is .
Your input ____
4
GATE CE 2015 Set 2
Numerical
+1
-0
A groundwater sample was found to contain 500 mg/L total dissolved solids (TDS). TDS (in %) present in the sample is ________.
Your input ____
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