महाराष्ट्र अभियंता सेवा गट ब पूर्व परीक्षा २०१०

A. inductance only

B. inductance and capacitance

C. capacitance only

D. None of the above

A. 1/3

B. 3/5

C. 3/25

D. 4/5

A.

B.

C.

D.

A. L-G 

B. L-L

C. L-L-G

D. L-L-L-G

A. When applied voltage changes polarity

B. When current through device falls below holding current

C. When current through device falls below latching current

D. When a gate pulse of opposite polarity applied

A. reducing fault clearing time

B. using double circuit line instead of single circuit line

C. single pole switching

D. decreasing generator inertia

A. reduce weight of copper

B. improve stability

C. reduce corona

D. increase power transmission capacity

A. inserting a resistance in armature circuit

B. adding an external resistance in the field circuit

C. applying a reduced voltage

D. None of the above

A. symmetric

B. a square matrix 

C. a full matrix

D.  generally having dominant diagonal elements

A. unity

B. zero

C. leading

D. lagging