Power Systems
Plug setting of a relay can be altered by varying

 adjustable back up stop.
 no. of ampere-turns.
 air gap of magnetic path.
 none of these.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
An hydro-graph indicates

 the average run off during the period.
 the maximum and minimum run off during the period.
 the discharge at any time during the period under consideration.
All of these

ANSWER DOWNLOAD EXAMIANS APP