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Test 1

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16 questions
Show answers
  • Q1
    What is the voltage by line to line in bahrain regulation?
    Question Image
    415V
    315V
    110V
    240V
    30s
  • Q2
    What is the line voltage on delta connection in bahrain?
    315V
    240V
    50V
    415 V
    30s
  • Q3
    What is the phase voltage on Star connection in bahrain?
    Question Image
    110V
    415V
    50V
    240V
    45s
  • Q4
    What are the colors used for three phase AC system in bahrain?
    Brown, Orange, Blue, Green
    Brown, Red, Blue, GreenBrown, Red, Blue, Green
    Orange , Red, Blue, Green
    Red, Yellow, Blue, Black and Green/Yellow
    45s
  • Q5
    Rating frequency in bahrain is
    60HZ
    120HZ
    100HZ
    50HZ
    45s
  • Q6
    In star balanced connection the neutral is
    3A
    0A
    5A
    1.2A
    45s
  • Q7
    The unit of real power is
    V.A
    A.V
    V.A.R
    W
    45s
  • Q8
    The____________________ is the cosine angle between voltage and current.
    Aparent power
    Power factor
    Active power
    Reactive power
    45s
  • Q9
    The real power dissipated in Ac system is called_________
    Power factor
    Reactive power
    Apparent power
    Active power
    45s
  • Q10
    The real power appear in load is called
    Active power
    Apparent power
    Reactive power
    Power factor
    45s
  • Q11
    The power return to supply
    Reactive power
    Power factor
    Reactive power
    Apparent power
    45s
  • Q12
    The voltage between line and neutral is called
    Line voltage
    Phase current
    Line current
    Phase voltage
    60s
  • Q13
    The voltage between two lines is called__________
    Phase voltage
    Phase current
    Line voltage
    Line current
    60s
  • Q14
    In delta connection ___________ ,and in star connection
    IL=3^(1/2)VphVL=3^(1/2)Vph
    VL =Vph, IL=Iph.
    IL=Iph, VL=Vph
    VL=3^(1/2)Vph, IL=3^(1/2)Vph
    60s
  • Q15
    A device that measure voltage is called
    Voltmeter
    60s

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