Last Updated On [03-11-2023]
The transplantation of rice requires 10 days and total depth of water required during transplantation is $48 \mathrm{~cm}$. During transplantation, there is an effective rainfall (useful for irrigation) of $8 \mathrm{~cm} .$ The duty of irrigation water (in hectares/cumec) is:
(A) 612
(B) 216
(C) 300
(D) 108
Question ID - 155855 :- The transplantation of rice requires 10 days and total depth of water required during transplantation is $48 \mathrm{~cm}$. During transplantation, there is an effective rainfall (useful for irrigation) of $8 \mathrm{~cm} .$ The duty of irrigation water (in hectares/cumec) is:
(A) 612
(B) 216
(C) 300
(D) 108
The transplantation of rice requires 10 days and total depth of water required during transplantation is $48 \mathrm{~cm}$. During transplantation, there is an effective rainfall (useful for irrigation) of $8 \mathrm{~cm} .$ The duty of irrigation water (in hectares/cumec) is:
(A) 612
(B) 216
(C) 300
(D) 108
Next Question :
A settling tank in a water treatment plant is designed for a surface overflow rate of30 $\frac{m^{3}}{\text { day } \cdot m^{2}}$. Assumespecific gravity of sedimentparticles $=2.65,$ density of water $(\rho)=1000 \mathrm{~kg} / \mathrm{m}^{3},$ dynamic viscosity of water $(\mu)=0.001 \mathrm{~N} . \mathrm{s} / \mathrm{m}^{2},$ and Stokes' lawisvalid.The approximate minimum size of particles that would be completely removed is:
(A) $0.01 \mathrm{~mm}$ $\begin{array}{llll}\text { (B) } 0.02 \mathrm{~mm}(\text { C }) & 0.03 \mathrm{~mm}(\mathrm{D}) & 0.04 \mathrm{~mm}\end{array}$
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