ELECTRICIAN IN ENGLISH Quiz - 848


The carbon percentage is least in
  
    malleable iron
    wrought iron
    low carbon steel
    cast iron

wrought iron

Which of the following materials is the best conductor of electricity ?
  
    Copper
    Tungsten
    Aluminium
    Carbon

Copper

Thermocouples are mainly used for the measurement of
  
    coupling co-efficient
    eddy currents
    resistance
    temperature

temperature

_____ is a hard solder.
  

    Tin-lead
    Tin-silver-lead
    Copper-zinc
    None of the above

Copper-zinc

Addition of 0.3 to 4.5% silicon to iron _____ the electrical resistivity of iron.
  
    increases
    None of the above
    does not change
    decreases

increases

Super conductivity can be destroyed by
  
    application of magnetic field
    reducing temperatures
    adding impurities
    any of the above

application of magnetic field

The converse of hardness is known as
  
    none of the above
    softness
    malleability
    toughness

softness

On which of the following factors does the resistivity of a material depend ?
  
    All of the above
    Resistance of the conductor
    Area of the conductor section
    Length of the conductor

All of the above

is a negatively charged particle present in an atom.
  
    None of the above
    Neutron
    Proton
    Electron

Electron

The formula ____ determines the number of electrons that can be accommodated in any level.
  
    4n2
    2n3
    2n2
    4ns

2n2


पोस्ट अच्छी लगी हो तो प्लीज नीचे दिए गए लिंक पर क्लिक कर शेयर जरुर करें 

Post a Comment

0 Comments