7000+ECE GATE Questions and Answers Pdf - 1

Question: 1

For a given torque, reducing diverter resistance of a DC series motor causes

(A) increase in speed demanding more armature current

(B) increase in speed but armature current remains the same

(C) decrease in speed but armature current remains the same

(D) decrease in speed demanding less armature current

Question: 2

Which is the conventional source of energy?

(A) wind

(B) geothermal

(C) radio-active substances

(D) solar

Question: 3

In a nuclear power station using boiling water reactor, water is used as

(A) a moderator but not as a coolant

(B) a coolant but not as a moderator

(C) neither moderator nor coolant

(D) both moderator and coolant

Question: 4

Back-to-back HVDC is used to

(A) provide stable interconnection

(B) reduce voltage drop

(C) decrease line losses

(D) increase the transmission capability

Question: 5

How many terminal are present in diode device?

(A) one terminal

(B) two terminal

(C) three terminal

(D) four terminal