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89.

90.

91.

92.

93.

94.

Choose the correct order of components with respect to solar photovoltaic
systems.

A) PV Cell — PV Module — PV Array > PV Panel
B) PV Cell PV Module + PV Panel > PV Array
C) PV Module > PV Cell > PV Panel > PV Array

D) PV Array > PV Module > PV Cell > PV Panel

Mention the main component of Biogas.
A) Ethane B) Methane C) Butane D) Carbon dioxide

Choose the incorrect statement from the given options.
A) Power factor improvement reduces voltage drop across the transmission lines.

B) The phenomenon in which receiving end voltage is less than sending end
voltage is known as Ferranti effect.

C) Aconductor offers more resistance to ac as compared to dc.

D) 3 phase power is constant whereas single phase power is pulsating.

Which of the following is not true with respect to HVDC transmission ?
A) Charging current is totally absent

B)

C) Corona loss is less as compared to HVAC transmission
D)

Series and shunt compensations are not required

The distance of transmission should be below a minimum value for HVDC
transmission to become economical

In HVDC transmission, increase in transmission voltage,
A) Allows to reduce the size of conductors used

B)

C) Increases the copper loss in the transmission lines
D)

Improves the power factor

Reduces skin effect

Which one among the following phenomena does not take place in high voltage AC
transmission ?

A) Ferranti effect B) Skin effect C) Corona D) None of these

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