Related Questions

A synchronous motor installed at the receiving end substation operates with such an excitation that it takes power at lagging power factor. Now if the applied voltage of the synchronous motor goes down, the power factor of the synchronous motor will
A remain same
B go down
C improve
D none of the above
Power plant having maximum demand more than the installed rated capacity will have utilisation factor
A equal to unity
B less than unity
C more than unity
D none of the above
You have been contracted to install a windows NT network in an office that is located in a strip mall. The office is located next to the power plant of the building, so a UPS (uninterruptible power supply) has already been installed. What type of cable should you use for the network cabling? Choose the best answer.
A TI
B UTP
C Fiber-optic
D PSTN
E STP
Which of the following thermal power projects has the highest installed power capacity?
A Suratgarh
B Chabbra
C Kalisindh
D Kota
The ratio of the average load to the installed capacity of the plant whose reserve capacity is zero will be equal to
A Load factor
B Plant factor
C Utilization factor
D Both (A) and (B)
If in a synchronous motor, driving a given mechanical load and drawing current at a leading power factor from constant voltage supply its field excitation is increased, its power factor
A will become more
B will become less
C will remain unchanged
D none of the above.
If in a synchronous motor, driving mechanical load and drawing current at lagging power factor from constant voltage supply, its field excitation is increased, then its power factor
A become more
B become less
C remain constant
D none of the above
A power supply which has voltage regulation of ___________ is unregulated power supply
A 0%
B 5%
C 10%
D 8%
In a distribution system, in order to improve power factor, the synchronous capacitors are installed
A at the receiving end
B at the sending end
C either (A) or (B)
D none of the above
The capacity of computer memory is increasing exponentially . At the same time increased capacity is becoming available at cheaper rate. Two years ago 1GB RAM cost TK. 5,000. Now 4GB Ram is available at the same price. If this trend continues what capacity of RAM will you get for TK. 5,000 after 3 years time ?
A 32GB
B 80GB
C 60.72GB
D 76GB

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