18 Questions
Which electrode in a junction transistor corresponds to the cathode in a vacuum tube?
Emitter
In a control circuit, how are multiple stop buttons usually connected?
Series-parallel
What material are slip rings commonly made of?
Copper
What is the unit of magnetic field intensity in the CGS system?
Gilbert
Which device carries and interrupts load current even in case of a fault using separate contacts?
Sectionalizing
What process involves heating electrically non-metallic materials like plastics?
Dielectric
Which instrument has identical calibration for both AC and DC values?
Moving coil
Where is the bullseye of the grounding target located?
Transformer
Which instrument would draw the least current from the circuit it is incorporated in?
Hot wire
Which of the following is not a basic part of an oil-type transformer?
Load tap changer
Which type of dynamometer is referred to as 'type 111'?
Moving coil
Which instrument's calibration is different for AC and DC values?
Thermocouple
What term refers to material, fittings, devices, appliances, fixtures, apparatus used in connection with electrical insulation?
Equipment
In the context of EPIRA, what does SAIDI stand for?
System average interruption duration index
What term is used for devices that utilize electric energy for purposes like motors, furnaces, and heaters?
Utilization equipment
What is the minimum thickness of concrete encased electrode?
60 mm
What is the maximum torque that allows a synchronous motor to stay in synchronism?
Pull-in torque
Which rule is used to determine the direction of induced or generated current within a conductor?
Lenz law
Test your knowledge of electrical engineering with questions on junction transistor electrodes, materials used in slip rings, Merz price protection, and devices like circuit breakers. See how well you understand these key concepts!
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