engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Power Systems Protective Relays Electromechanical Relays
Fill in the blanks with an appropriate choice from the options given below:
______ relays are hermetically sealed in a glass envelop to increase durability.
1
Reed Relays
2
Machine Control Relays
3
Thermal Relays
4
General Purpose Relays