Online Test for 4362 Lab Assistant Jobs in Government Schools - 20


Science
  1. Evaporation from water surfaces exposed to air is not dependent of the:
    1.  Velocity of the Wind
    2.  Humidity
    3.  Depth of the Water
    4.  Temperature

  2. For a DC Motor, What major component in addition to the field winding and the armature winding is necessary? 
    1.  A Battery
    2.  A Stator
    3.  A Rotor
    4.  A Commutator

  3. Who is 'Father of the Atomic Bomb'?
    1.  J.Robert Oppenheimer
    2.  Edward Teller
    3.  General Lesile Groves
    4.  Albert Einstein

  4. The Sun makes up approximately what percent of matter in our solar system?
    1.  88%
    2.  89%
    3.  98%
    4.  99%

  5. Deforestation is NOT a major environmental problem in _____ 
    1.  Oregon
    2.  The Amazon
    3.  Borneo
    4.  West Germany

  6. What range of frequencies are usually referred to as the Ultra High Frequency (UHF) Band?
    1.  230 to 2500 Mega Hertz
    2.  300 to 3000 Mega Hertz
    3.  320 to 3200 Mega Hertz
    4.  450 to 4500 Mega Hertz

  7. Who was the first scientist credited with pointing out that certain gases could cause a greenhouse effect?
    1.  Charles Darwin
    2.  Stephen Jay Gould
    3.  John Tyndall
    4.  Roger Tory Peterson

  8. Which of the following is considered a renewable resource? 
    1.  Nuclear fission power plant
    2.  Coal fired power plant
    3.  Combustion turbine facility
    4.  Hydroelectrical Dam

  9. What power cycle is used in jet engines?
    1.  Rankine
    2.  Otto
    3.  Brayton
    4.  Stirlimg

  10. In daylight the human eye is most sensitive to which colour? 
    1.  Orange
    2.  Blue
    3.  Red
    4.  Green



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