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Chemical Engineering
The differential equation of (x-a)^{2}+(y-b)^{2}+z^{2}=2019 where a, b are arbitrary constants is
Chemical Engineering
L^{-1} e^{-s}/√s }
Chemical Engineering
L {t^{2}*H'(t-3)}
Chemical Engineering
∫0^{3}(3+2t^{2}𝛿(t-2)dt
Chemical Engineering
If F(s)=s^{2}+2/s(2s^{2}-7s+5); then lim t→∞f(t)
Chemical Engineering
If f(t)=cos 2t H(t-π), then L{∫0^{t}f(τ)dτ}
Chemical Engineering
The differential equation x^{2}yux+f(u)uy=xy^{2}u is
Chemical Engineering
Sulphur dioxide is to be scrubbed from an air stream in a small packed tower by contacting it with an organic amine. The feed gas 3% SO2, by volume, and 95% of it is to be absorbed. The total gas rate is 150 m^{3}/h. at 20^{
Electrical Engineering
a single phase overhead transmission line delivers 5000 kw at 11 KV and 0.8 factor lagging. total resistance and inductive reactance per conductor is 0.45 ohm and 0.08 ohm respectively , calculate line losses
Electrical Engineering
Multiple choice questions
Question 5
Because of the nature of the power flow bus data, nodal equations do not directly fit
the linear-equation format, and power flow equations are actually nonlinear. However,
the Gauss-Siedel method can be used for the power flow solution.
(1) True.
(2) Only true for systems with less than 14 buses.
(3) False.
(4) Only true for systems with fully transposed transmission lines.
Question 5
Because of the nature of the power flow bus data, nodal equations do not directly fit
the linear-equation format, and power flow equations are actually nonlinear. However,
the Gauss-Siedel method can be used for the power flow solution.
(1) True.
(2) Only true for systems with less than 14 buses.
(3) False.
(4) Only true for systems with fully transposed transmission lines.
