Govt Exams Mock Test FREE | Online Quiz Competition

Q1. The fill factor of a photovoltaic module is 0.8. A single cell in a module has an open circuit voltage of 0.6 V and short circuit current of 8 A. The module has 48 cells connected in series. If the voltage at maximum power is 0.9 times open circuit voltage, the current at maximum power is

8.21 A

7.11 A

6.32 A

5.45 A

Q2. The severity of line-to-ground and 3-phase faults at the terminals of an unloaded synchronous generator is to be same. If the terminal voltage is 1 p.ᴜ. and \(X_1 = X_2 = j0.35 p.ᴜ., X_{g0} = j0.05 p.u.\), for the alternator, then the required inductive reactance for neutral grounding is ........

\(X_n\) = j 0.2 p.ᴜ

\(X_n\) = j 0.25 p.ᴜ

\(X_n\) = j 0.015 p.ᴜ

\(X_n\) = j 0.1 p.ᴜ

Q3. A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix?

164 * 164

162 * 162

163 * 163

None of the above

Q4. What is the average demand if the maximum demand of generation of power is 50 MW and the load factor of the plant is 60%?

20 MW

30 MW

40 MW

50 MW

Q5. If a 3 - phase 4 wire, Star connected load takes line currents of \(10 \angle 60^\circ \:A, \: 10 \angle -60^\circ \:A, \& \: 10 \angle 0^\circ \:A \), the neutral current is given by

10 A

15 A

5 A

20 A

Q6. Which of the following correctly represent the sequence of operations of isolator, circuit breaker and earthing switch while opening a circuit?

Close earthing switch - open circuit breaker - open isolator

Close circuit breaker - close isolator - open earthing switch

Open isolator - close circuit breaker - open earthing switch

Open circuit breaker - open isolator - close earthing switch

Q7. What is the effect of increase in solar irradiance level on solar PV cell open circuit voltage and short circuit current

the open circuit voltage decreases and short circuit current increase

Both the open circuit voltage and short circuit current increase

Both the open circuit voltage and short circuit current decrease

the open circuit voltage increases and short circuit current decrease

Q8. For the transient stability of a power system

\(\frac{d \delta}{dt}>0, \frac{dP}{d \delta}>0\)

\(\frac{d \delta}{dt}=0, \frac{dP}{d \delta}>0\)

\(\frac{d \delta}{dt}<0, \frac{dP}{d \delta}<0\)

\(\frac{d \delta}{dt}<0, \frac{dP}{d \delta}=0\)

Q9. According to IS (Indian Standard) Specification 1180-1964 for outdoor type distribution transformer, the conservator is provided on transformer rating __________.

below 5 kVA

below 10 kVA

50 kVA or below

50 kVA or above

Q10. In an interconnected system the diversity factor of whole system

remains uncharged

decreases

increases

none of above

Quiz

Year 2025

March
Week # 2 Quiz 5

Q1. The fill factor of a photovoltaic module is 0.8. A single cell in a module has an open circuit voltage of 0.6 V and short circuit current of 8 A. The module has 48 cells connected in series. If the voltage at maximum power is 0.9 times open circuit voltage, the current at maximum power is

Q3. A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix?

Q4. What is the average demand if the maximum demand of generation of power is 50 MW and the load factor of the plant is 60%?

Q5. If a 3 - phase 4 wire, Star connected load takes line currents of \(10 \angle 60^\circ \:A, \: 10 \angle -60^\circ \:A, \& \: 10 \angle 0^\circ \:A \), the neutral current is given by

Q6. Which of the following correctly represent the sequence of operations of isolator, circuit breaker and earthing switch while opening a circuit?

Q7. What is the effect of increase in solar irradiance level on solar PV cell open circuit voltage and short circuit current

Q8. For the transient stability of a power system

Q9. According to IS (Indian Standard) Specification 1180-1964 for outdoor type distribution transformer, the conservator is provided on transformer rating __________.

Q10. In an interconnected system the diversity factor of whole system

Quiz

Year 2025

February Week # 3 Expire on 14 Mar 2025

February Week # 4 Expire on 21 Mar 2025

March Week # 1 Expire on 31 Mar 2025

March Week # 2 Expire on 07 Apr 2025

March Week # 2 Quiz 5

Q1. The fill factor of a photovoltaic module is 0.8. A single cell in a module has an open circuit voltage of 0.6 V and short circuit current of 8 A. The module has 48 cells connected in series. If the voltage at maximum power is 0.9 times open circuit voltage, the current at maximum power is

Q3. A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix?

Q4. What is the average demand if the maximum demand of generation of power is 50 MW and the load factor of the plant is 60%?

Q5. If a 3 - phase 4 wire, Star connected load takes line currents of \(10 \angle 60^\circ \:A, \: 10 \angle -60^\circ \:A, \& \: 10 \angle 0^\circ \:A \), the neutral current is given by

Q6. Which of the following correctly represent the sequence of operations of isolator, circuit breaker and earthing switch while opening a circuit?

Q7. What is the effect of increase in solar irradiance level on solar PV cell open circuit voltage and short circuit current

Q8. For the transient stability of a power system

Q9. According to IS (Indian Standard) Specification 1180-1964 for outdoor type distribution transformer, the conservator is provided on transformer rating __________.

Q10. In an interconnected system the diversity factor of whole system

Record & Track Your Performance

March
Week # 2 Quiz 5