MGVCL Exam Paper (30-07-2021 Shift 1)
In the following question, one part of the sentence may have an error. Find out which part of the sentence has an error and select the option corresponding to it. If the sentence contains no error, Select "No error'' option. (Avoid punctuation errors)

(A) Bubin together with / (B) her parents are coming / (C) to attend the party. / (D) NO ERROR

D
B
C
A

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MGVCL Exam Paper (30-07-2021 Shift 1)
The expression for voltage regulation of a short transmission line for lagging power factor is given by: ___, where, 'I' is the line current, 'V_r' is the receiving end voltage, 'R' is the line resistance and 'X' is the line reactance.

(IR cosφ_r - IX sinφ_r)/V_r
(IR cosφ_r + IX sinφ_r)/V_r
(IX cosφ_r + IR sinφ_r)/V_r
(IX cosφ_r - IR sinφ_r)/V_r

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MGVCL Exam Paper (30-07-2021 Shift 1)
Match the following

A = (ii), B = (iii), C = (i)
A = (iii), B = (i), C = (ii)
A = (ii), B = (i), C = (iii)
A = (iii), B = (ii), C = (i)

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MGVCL Exam Paper (30-07-2021 Shift 1)
The necessary equation to be solved during the load flow analysis using Fast-Decoupled methid is given below:
where B' and B'' are formed using the imaginary part of the bus admittance matrix Ybus, n is the total number of buses in the system, m is the number of voltage regulated buses. The size of matrix B' is
∆P/|Vi|= -B' ∆δ
∆Q/|Vi| = -B'' ∆|Vi|

(n-1) x (n-1)
(n-m) x (n-m)
(n-m-1) x (n-m-1)
(m-1) x (m-1)

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