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Sample Practice Test Questions
Which of the following is a decomposer?
fungi
Decomposers (saprotrophs) are organisms such as bacteria and fungi that break down the organic matter in the dead bodies of plants and animals into simple nutrients.
Inside and outside micrometers measure inside and outside:
diameters
Micrometers measure the diameter of cylindrical objects. Outside micrometers measure the external diameter of cylinders and inside micrometers measure the internal diameter of the cylinder's hole.
Which of the following states of matter exists at the highest temperature?
gas
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.
A diode to an electronic circuit is like a _______________ to a city?
one-way street
A diode allows current to pass easily in one direction and blocks current in the other direction.
What type of load acts on a relatively small area of a structure?
concentrated load
A concentrated load acts on a relatively small area of a structure, a static uniformly distributed load doesn't create specific stress points or vary with time, a dynamic load varies with time or affects a structure that experiences a high degree of movement, an impact load is sudden and for a relatively short duration and a non-uniformly distributed load creates different stresses at different locations on a structure.
As part of digestion, the liver produces bile which breaks down:
fat
The liver produces bile which emulsifies (separates) fat.