Busbar Protection | Busbar Protection Objective Type Questions and answers
1. Which of the following sections can be employed for bus-bars ?
A. Bars
B.Rods
C. Tubes
D. Any of the above
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D. Any of the above
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2. A bus-bar is rated by
A. Current only
B. Voltage only
C. Current , voltage and frequency
D. Current, voltage, frequency and short circuit current
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3. The material used for bus-bar should have
A. Low resistivity
B. Low-cost
C. High Softening temperature
D. All of the above
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4. Which of the following bus-bar schemes has the lowest cost?
A. Ring bus-bar scheme
B. Single bus-bar scheme
C. Breaker and a half scheme
D. Main and transfer scheme
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5. Which of the following can be used for bus-bars?
A. Tubes
B. Rods
C. Bars
D. Any of the above
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