the type number of control system with G(s)H(s)=K(s+2)/s(s2+2s+3) is

feedback control systems are

For the transmission line which one of the following relations is true?

Which one of the following relays has the capability of anticipating the possible major fault in a transformer?

1.  Over Current Relay
2. Differential relay
3. Buchholz Relay
4. Over Fluxing Relay

If all the sequence voltages at the fault point in a power system are equal then the fault is a

The gauss siedel load flow method has following disadvantages, tick the incorrect statement

High volatage DC (HVDC) transmission is mainly used for

A. Bulk power transmission over very long distance.

B. Interconnecting two systems with the same nominal frequency.

C. Eliminating reactive power requirement in the operation.

D. Minimizing harmonic at the converter stations.

Keeping in view the cost and overall effectiveness the following circuit breaker is besy suited for the capacitor bank switching

The insulation strength of an EHV transmission line is mainly governed by

A. Load Power Factor
B. Switching Over Voltage
C. Harmonics
D. Corona

Answer : B. Switching Over Voltage

The insulation resistance of a 20 km long underground cable is 8 mega ohm, insulation resisatance for similar cable of 10 km is

For thiven base voltage and base volt amperes, the per unit impedance value of this element is x. The per unit impedance value of this element when the volatage and volt amperes bases are both doubled is

The surge impedence of a 400 km overhead transmission line is 400 ohms. For a 200 km length of the same line, the surge impedance will be

Auto transformer is used in transmission and distribution (RPSC Lecturer Technical Education Department Exam 2011)

The magnetizing current in a transformer is rich in (RPSC Lecturer Technical Education Department Exam 2011)

To eliminate the 5th harmonic voltage from the phase voltage of an alternator , the coils need to be short pitched by an electrical angle of (RPSC Lecturer Technical Education Department Exam 2011)

A ceiling fan uses (RPSC Lecturer Technical Education Department Exam 2011)

A balanced three phase, 50 Hz voltage is applied to a 3 phase, 4 pole induction motor. When the motor is delivering rated output, the slip is found to be 0.05. The speed of rotor mmf relative to the rotor structure is (RPSC Lecturer Technical Education Department Exam 2011)

The DC Motor , which can provide zero speed regulation at full load without any controller, is (RPSC Lecturer Technical Education Department Exam 2011)

In a transformer zero voltage regulation at full load is (RPSC Lecturer Technical Education Department Exam 2011)

A synchronous generator is feeding zero power factor (lagging) load at rated current. The armature reaction is (RPSC Lecturer Technical Education Department Exam 2011)

In a DC machine which of the following statement is true? (RPSC Lecturer Technical Education Department Exam 2011)