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3T5_model5

Quiz by Ali alomran

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23 questions
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  • Q1
    The numbered part of the figure shown is ?
    Question Image
    Smoke detector
    Fire alarm control panel
    Heat detector
    Call point
    30s
  • Q2
    In the circuit shown , if the resistor is 10 ohm and voltage is 240 v then the power consumed by the load R is :
    Question Image
    24000watts
    2400 watts
    24 watts
    240 watts
    30s
  • Q3
    In the circuit shown the current is equal to :
    Question Image
    I=0.5A
    I = 10A
    I=3A
    I=2 A
    30s
  • Q4
    What is the name of the intercom device shown?
    Question Image
    Door lock
    Door Station
    Transformer
    Room station
    30s
  • Q5
    Identify the phase of shown in the given figure?
    Question Image
    Three phase
    Multi-phase
    Single phase
    Two phase
    30s
  • Q6
    What is the frequency used according to Bahrain regulation?
    50 Hz
    60 Hz
    40 Hz
    30 Hz
    30s
  • Q7
    What is the trip current of ELCB for power circuit ?
    0.003 Ampere
    3.0 Ampere
    0.3 Ampere
    0.03 Ampere
    30s
  • Q8
    Which part of transformer is connected to the power supply?
    Transformer frame
    Iron core
    Secondary coil
    Primary coil
    30s
  • Q9
    The test used to check that there is no break in the circuit connection is:
    Polarity test
    Earthing test
    Continuity test
    Insulation test
    30s
  • Q10
    Intermediate switch used to control loads from :
    More than two location
    None of the above
    Only one location
    Only two location
    30s
  • Q11
    What is the minimum size of wire for Radial circuit according to Bahrain regulations?
    1.5 mm2
    1.0 mm2
    4.0 mm2
    2.5 mm2
    30s
  • Q12
    In the fluorescent lamp circuit , the chock coil is connected in ?
    Question Image
    Series with the line
    Parallel with the tube
    Series with the starter
    Parallel with the line and neutral
    30s
  • Q13
    Convert 100 mA to amper?
    10 ampere
    0.01 ampere
    100000 ampere
    0.1 ampere
    30s
  • Q14
    Calculate the total resistance, Given: R1=2 ohms , R2 =2 ohms connected in parallel?
    4 ohms
    2 ohms
    1 ohms
    3 ohms
    30s
  • Q15
    What is the minimum mounting height above the floor level of socket outlets according to Bahrain regulation?
    30 cm
    1.73 cm
    1.37 cm
    2 m
    30s

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