14) the difference between internal generated voltage and output voltage in synchronous generator caused by: A. armature reaction B. The self-inductance of the armature coils C. The resistance of the armature coils D. The effect of salient-pole rotor shapes E. All above 15) A 6-pole, 50-Hz, 3-p induction motor is running at 950 rpm and has rotor Cu loss of 5 kW. Its rotor input is ..kW. А. 100 В. 10 С. 10000 D. 95 E. 950

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14) the difference between internal generated voltage and output voltage in synchronous generator
caused by:
A. armature reaction
B. The self-inductance of the armature coils
C. The resistance of the armature coils
D. The effect of salient-pole rotor shapes
E. All above
15) A 6-pole, 50-Hz, 3-9 induction motor is running at 950 rpm and has rotor Cu loss of 5 kW. Its
rotor input is ..kW.
А. 100
В. 10
С. 10000
D. 95
E. 950
11) A centrifugal switch is used to dis- connect 'starting winding when motor has:
A. run for about 1 minute
B. run for about 5 minutes
C. picked up about 50 to 70 per cent of rated speed
D. picked up about 10 to 25 per cent of rated speed
E. picked up about 0 to 10 per cent of rated speed
12)If starting winding of a single-phase induction motor is left in the circuit, it will:
A. run faster
B. spark at light loads
C. draw excessive current and overheat
D. run slower
E. spark at rated loads
13)The capacitors used in single-phase capacitor motors have no:
A. voltage rating
B. dielectric medium
C. polarity marking
D. definite value
E. All above
Transcribed Image Text:14) the difference between internal generated voltage and output voltage in synchronous generator caused by: A. armature reaction B. The self-inductance of the armature coils C. The resistance of the armature coils D. The effect of salient-pole rotor shapes E. All above 15) A 6-pole, 50-Hz, 3-9 induction motor is running at 950 rpm and has rotor Cu loss of 5 kW. Its rotor input is ..kW. А. 100 В. 10 С. 10000 D. 95 E. 950 11) A centrifugal switch is used to dis- connect 'starting winding when motor has: A. run for about 1 minute B. run for about 5 minutes C. picked up about 50 to 70 per cent of rated speed D. picked up about 10 to 25 per cent of rated speed E. picked up about 0 to 10 per cent of rated speed 12)If starting winding of a single-phase induction motor is left in the circuit, it will: A. run faster B. spark at light loads C. draw excessive current and overheat D. run slower E. spark at rated loads 13)The capacitors used in single-phase capacitor motors have no: A. voltage rating B. dielectric medium C. polarity marking D. definite value E. All above
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