Govt Exams Mock Test FREE | Online Quiz Competition

Q1. A mho relay is a

A voltage restrained directional relay

Directional restrained overvoltage relay

Voltage controlled over current relay

Directional restrained over current relay

Q2. The expression for voltage regulation of a short transmission line for leading 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.

\(\frac{IXcos\phi_R\:-\:IRsin\phi_R}{V_R}\)

\(\frac{IRcos\phi_R\:+\:IXsin\phi_R}{V_R}\)

\(\frac{IRcos\phi_R\:-\:IXsin\phi_R}{V_R}\)

\(\frac{IXcos\phi_R\:+\:IRsin\phi_R}{V_R}\)

Q3. Demand factor is defined as:

average load/maximum load

maximum load/connected load

connected load/maximum load

maximum load./average load

Q4. The Per unit system is not applicable to

Voltage magnitude

Impedance

Power

Phase shift

Q5. Operating time of a Buchholz relay is of the order of

0.1 micro second

0.1 milli second

0.1 second

1 second

Q6. As per the electricity regulations in India the maximum permissible voltage change at consumer premises should be _______ of declared voltage

0.05

0.06

0.1

0.12

Q7. The main advantage of ac transmission over DC transmission system is

Less insulation problems

low losses in transmission over long distance

Less instability

low corona loss and reduced interference with communication circuits

Q8. Earthing is used to give protection against ........................

Danger of electric shock

Overloading

Voltage fluctuation

High temperature of the conductors

Q9. The surge diverter protects substation equipment against

Direct lightning stroke

travelling waves

Both (A) and (B)

None of above

Q10. An n- channel JFET has \(V_p = -6 \:v\), and \(g_m = 0.25 \: mA/V\). What will be the value of \(I_{DSS}\) for an applied gate to source voltage \(V_{GS} = - 3 V\) ?

\(2 \:mA\)

\(1.5 \:mA\)

\(2.5 \:mA\)

\(3 \:mA\)

Quiz

Year 2024

January
Week # 3 Quiz 2

Q1. A mho relay is a

Q2. The expression for voltage regulation of a short transmission line for leading 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.

Q3. Demand factor is defined as:

Q4. The Per unit system is not applicable to

Q5. Operating time of a Buchholz relay is of the order of

Q6. As per the electricity regulations in India the maximum permissible voltage change at consumer premises should be _______ of declared voltage

Q7. The main advantage of ac transmission over DC transmission system is

Q8. Earthing is used to give protection against ........................

Q9. The surge diverter protects substation equipment against

Q10. An n- channel JFET has \(V_p = -6 \:v\), and \(g_m = 0.25 \: mA/V\). What will be the value of \(I_{DSS}\) for an applied gate to source voltage \(V_{GS} = - 3 V\) ?

Quiz

Year 2024

July Week # 1 Expire on 31 Jul 2024

July Week # 2 Expire on 07 Aug 2024

July Week # 3 Expire on 14 Aug 2024

July Week # 4 Expire on 21 Aug 2024

January Week # 3 Quiz 2

Q1. A mho relay is a

Q2. The expression for voltage regulation of a short transmission line for leading 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.

Q3. Demand factor is defined as:

Q4. The Per unit system is not applicable to

Q5. Operating time of a Buchholz relay is of the order of

Q6. As per the electricity regulations in India the maximum permissible voltage change at consumer premises should be _______ of declared voltage

Q7. The main advantage of ac transmission over DC transmission system is

Q8. Earthing is used to give protection against ........................

Q9. The surge diverter protects substation equipment against

Q10. An n- channel JFET has \(V_p = -6 \:v\), and \(g_m = 0.25 \: mA/V\). What will be the value of \(I_{DSS}\) for an applied gate to source voltage \(V_{GS} = - 3 V\) ?

Record & Track Your Performance

January
Week # 3 Quiz 2