Q.1
Glue is what type of material?
  • Metal
  • Ceramic
  • Polymer
  • Composite
Q.2
Object made from wood and cloth
  • Can sink
  • Can conduct electricity
  • Can absorb water
  • Cannot absorb water
Q.3
Pewter object made from
  • Gold
  • Clay
  • Sand
  • Copper
Q.4
Mirror is made from
  • Gold
  • Clay
  • Sand
  • Copper
Q.5
Ceramic bowl is made from
  • Gold
  • Clay
  • Sand
  • Copper
Q.6
Plastic and synthetic cloth are made from
  • Plant
  • Petroleum
  • Rock
  • Animal
Q.7
Below are materials from plant except
  • Rubber
  • Wood
  • Copper
  • Cotton
Q.8
Low alloy steel can be listed as below EXCEPT
  • Medium carbon steel
  • High carbon steel
  • Moderate carbon steel
  • Low carbon steel
Q.9
Which of the following statement below is an example of corrosion remedial action in designs?
  • Bolts and rivets should be replaced by proper welding.
  • Use of corrosion resistant alloys.
  • Plastic and oil are use mainly for coatings.
  • Chromium is added to the steel to enhance its corrosion resistant properties.
Q.10
Object that can made from animal
  • Bottle
  • Wire
  • Woolen cap
  • Table
Q.11
Commercially pure iron contains up to 0.C and steel up toC.What are the carbon content in Cast iron?
  • More than 2% C
  • Up to 4% C
  • Up to 10% C
  • Up to 7% C
Q.12
What is the application of cast iron?
  • Car body
  • Engine blocks
  • Bridge
  • Hammer
Q.13
The charasteristics of stainless steel are determined by ...............
  • resistance
  • high stress
  • cobalt content
  • chromium content
Q.14
Listed below are the types of cast iron EXCEPT ................
  • grey cast iron
  • white cast iron
  • black cast iron
  • nodular cast iron
Q.15
Listed below are non-ferrous metals EXCEPT ..............
  • aluminium
  • zinc
  • hydrogen
  • copper
Q.16
.................. is a process of metal reduction from the conditions that can be used to the conditions that cannot be used.
  • Corrosion
  • Vibration
  • Tension
  • Pollution
Q.17
Wet corrosion would only occur with the presence of .................
  • heat
  • electricity
  • moisture
  • air
Q.18
Which of the following is TRUE about dry corrosion
  • Also known as direct oxidation corrosion
  • Also known as electrochemical corrosion
  • Causes metal to damage slowly but effectively
  • Involves the position of metal in the electrochemical series
Q.19
What are the names of the magnet poles?
  • south and east
  • north and west
  • north and south
Q.20
Magnets do not attract objects that are made of......
  • metal
  • stainless steel
  • wood, glass, plastic, cloth, rubber and paper.
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