AFCAT-EKT EE Quiz 9

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Question 1

For V-curves for a synchronous motor the graph is drawn between

• ATerminal voltage and load factor
• BPower factor and field current
• CField current and armature current
• DArmature current and power factor

Question 2

Permeance is inversely related to

• Aresistance
• Bconductance
• Creluctance
• Dcapacitance

Question 3

How many poles does the following function have for function?

• A0
• B1
• C2
• D3

Question 4

In data acquisition system, analog data acquisition system is used

• Afor narrow frequency width, while digital data acquisition system is used when wide frequency width is to be monitored
• Bfor wide frequency width, while digital data acquisition system is used when narrow frequency width is to be monitored
• Cwhen qunatity to be monitored varies slowly, while its counterpart is preferred if the qunatity to be monitored varies very fast
• Dwhen qunatity to be monitored is timevariant, while digital data acquisition system is preferred when quantitiy is time invariant.

Question 5

In TV, video signals are transmitted through

• Aamplitude modulation
• Bfrequency modulation
• Ceither amplitude or frequency modulation
• Dneither amplitude nor frequency modulation

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