Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer?

MGVCL Exam Paper (30-07-2021 Shift 1)
Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer?

star-delta

delta-star

star-star

delta-delta

star-delta

delta-star

star-star

delta-delta

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 1)
An electric potential field is produced in air by point 1 μC and 4 μC located at (-2, 1, 5) and (1, 3, -1) respectively. The energy stored in the field is

2.57 mJ

10.28 mJ

12.50 mJ

5.14 mJ

2.57 mJ

10.28 mJ

12.50 mJ

5.14 mJ

ANSWER DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 1)
નીચે પૈકી 'અચરજ'નો પર્યાયી શબ્દ ક્યો છે?

વિસ્મય

શાશ્વત

રજ

જગત

વિસ્મય

શાશ્વત

રજ

જગત

ANSWER DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 1)
Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 375 W and –50 W. Calculate the reactive power taken by the load.

325/√3 VAR

425/√3 VAR

325√3 VAR

425√3 VAR

325/√3 VAR

425/√3 VAR

325√3 VAR

425√3 VAR

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

(n-1) x (n-1)

(n-m) x (n-m)

(m-1) x (m-1)

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

(n-1) x (n-1)

(n-m) x (n-m)

(m-1) x (m-1)

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 1)
Which among the following are included in the two part tariff?
i. Fixed charges
ii. Running charges
iii. Semi fixed charges

(i), (ii) and (iii)

(ii) and (iii) only

(i) and (iii) only

(i) and (ii) only

(i), (ii) and (iii)

(ii) and (iii) only

(i) and (iii) only

(i) and (ii) only

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 1)

MGVCL Exam Paper (30-07-2021 Shift 1) Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer?

MGVCL Exam Paper (30-07-2021 Shift 1) An electric potential field is produced in air by point 1 μC and 4 μC located at (-2, 1, 5) and (1, 3, -1) respectively. The energy stored in the field is

MGVCL Exam Paper (30-07-2021 Shift 1) નીચે પૈકી 'અચરજ'નો પર્યાયી શબ્દ ક્યો છે?

MGVCL Exam Paper (30-07-2021 Shift 1) Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 375 W and –50 W. Calculate the reactive power taken by the load.

MGVCL Exam Paper (30-07-2021 Shift 1) Which among the following are included in the two part tariff?i. Fixed chargesii. Running chargesiii. Semi fixed charges

MGVCL Exam Paper (30-07-2021 Shift 1)
Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer?

MGVCL Exam Paper (30-07-2021 Shift 1)
An electric potential field is produced in air by point 1 μC and 4 μC located at (-2, 1, 5) and (1, 3, -1) respectively. The energy stored in the field is

MGVCL Exam Paper (30-07-2021 Shift 1)
નીચે પૈકી 'અચરજ'નો પર્યાયી શબ્દ ક્યો છે?

MGVCL Exam Paper (30-07-2021 Shift 1)
Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 375 W and –50 W. Calculate the reactive power taken by the load.

MGVCL Exam Paper (30-07-2021 Shift 1)
Which among the following are included in the two part tariff?
i. Fixed charges
ii. Running charges
iii. Semi fixed charges