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Electrical Engineering
Switchgear & Protection
Quiz 3
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Q.1
An auxiliary compartment that houses the potential (voltage) transformer that provides the voltage input to protective relaying, metering, and control equipment.
Metering and Control Compartment
Bus and Cable Compartment
Tie Breaker Compartment
Potential Transformer Compartment
Q.2
A compartment intended for future system expansion to minimize expansion modification costs and for emergency maintenance applications.
install
spare
breaker
control
Q.3
What are the isolation requirements for an air conditioner?
4.19
419
3.19
None of these
Q.4
____________ switchgear requires that the main switching and interrupting device be draw-out
metal strong
high strung
metal clad
copper
Q.5
_______________ switchgear is compartmentalized to isolate components such as instrumentation, main bus, and both incoming and outgoing connections with grounded metal barriers
Metal clad
silver strung
high clad
low clad
Q.6
The ________________ compartment is the component of the switchgear that holds the circuit breaker, and the controls and cabling for the distribution system
main breaker
series breaker
control breaker
circuit breaker
Q.7
The _________________compartment contain the protection, instrumentation and control equipment integral to the operation of switches and breakers during normal and fault operating conditions.
breaker compartment
series compartment
control compartment
metering and control
Q.8
A Bucholz relay is used for
protection of a transformer against all internal faults
protection of a transformer against all external faults
protection of a transformer against both internal and external faults
protection of induction motors.
Q.9
True or False?Switchgear is used both to de-energize equipment to allow work to be done and to clear faults downstream
True
False
Q.10
What are two types of switchgear enclosures?
metal enclosed & molded hung
metal enclosed & silver strung
metal enclosed & metal clad
copper enclosed & metal clad
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