GETCO EXAM PAPER (22-07-2015) QUIZ

In synchronous motor, V-curve is a graph of

Armature current Vs active power

Armature current Vs Field current

Armature current Vs power factor

Armature current Vs reactive power

TRUE ANSWER : ?
YOUR ANSWER : ?

Differential equation is required to be solved in _____

Finding efficiency of a transmission line

Load flow studies

economical operation of power systems

Stability studies

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YOUR ANSWER : ?

In case of HVDC transmission there is _____

charging current but no skin effect

both charging effect and skin effect

no charging current but skin effect

no charging current no skin effect

TRUE ANSWER : ?
YOUR ANSWER : ?

The area under the load duration curve represents

average load of the system

base load of the system

energy generated in the period considered

Maximum demand of the power station

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is a reason to decouple AVR and LFC loops when there is a shortage of reactive power?

deference of error is the main reason

angle of the voltage is not considered

Change in voltage magnitude marginally affects real power

AVR loop response is slower than LFC loop

TRUE ANSWER : ?
YOUR ANSWER : ?

The rating of given on the name plate of a transformer indicates the:

Apparent power which it draws from the supply mains

True power whichh it draws from the supply mains

True power which it can supply

Apparent power which it can supply

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YOUR ANSWER : ?

The instantaneous value of power in purely inductive circuit is

zero

none of this

changing

constant

TRUE ANSWER : ?
YOUR ANSWER : ?

Babies _____ when they are hungry

are crying

cry

is crying

cries

TRUE ANSWER : ?
YOUR ANSWER : ?

The breaking capacity of a CB is usually expressed interms of

MVA

MW

volts

amperes

TRUE ANSWER : ?
YOUR ANSWER : ?

In rotating electrical machines, the insulation temperature limit for class B type is

130˚C

150˚C

105˚C

180˚C

TRUE ANSWER : ?
YOUR ANSWER : ?

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