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45. An

46.

47.

48.

49.

50.

51.

52.

A) At resonant frequency
C) Above resonant frequency

RLC series circuit remains predominantly inductive
B) Below resonant frequency
D) Ata lower half power frequency

Steady state stability of a power system is enhanced by

A) Reducing the fault clearing time

B) Using double circuit lines

C) Single pole switching

D) Decreasing generator inertia

A hydel power plant of run off river type should be provided with a pondage so that
A) Firm capacity of the plant is increased

B) Operating head is controlled

C) Pressure inside the turbine remains constant

D) Kinetic energy of running water is fully utilized

Which one is not a unconventional source of energy ?

A) Tidal power B) Geothermal energy

©) Fossil fue! D) Wind power

The pin which provides reset option in 8051 micro-controller is

A) ೧/1 B) Ping C) Pin11 0) ‏8زم‎

In sodium vapour lamp, neon gas
A) Acts as a shield around the filament

B)
०)
D)

Assists in developing enough heat to vaporize the sodium
Change the colour of light
Prevents the vaporization of filament

In a single-phase full wave rectifier, during blocking state the peak inverse voltage
of diode is Vm is the peak voltage.
A) Vin 8) ‏ہ۷‎ ௦) ۱۸۸۶ 0) ۷

In a single-phase full converter, if « and ‏ق‎ are the firing angle and extinction angles
respectively, then the load current is

A) Discontinuous if (B — ०) <2
©) Discontinuous if (B — ०) ಎಸ

8) Discontinuous if (8-0) ಎ7
0) Continuous if (8-०) < पप