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Sample Practice Test Questions
Which of the following is not one of the outer planets?
Venus
In contrast to the solid terrestrial planets, the outer planets (Jupiter, Saturn, Uranus, and Neptune) consist of hydrogen and helium gas and water.
1
Which of the following is used in metal work for shaping metal?
ball peen hammer
Ball peen hammers are most commonly used in automotive repair. They have rounded heads and are used to drive punches and chisels.
Solve for a:
a2 - 5a - 6 = 0
The first step to solve a quadratic equation that's set to zero is to factor the quadratic equation:
a2 - 5a - 6 = 0
(a + 1)(a - 6) = 0
For this expression to be true, the left side of the expression must equal zero. Therefore, either (a + 1) or (a - 6) must equal zero:
If (a + 1) = 0, a must equal -1
If (a - 6) = 0, a must equal 6
So the solution is that a = -1 or 6
An amplifier is most similar in function to which of the following:
step-up transformer
An amplifier is a device that takes a small input signal and creates a larger output signal. This makes it most similar to a step-up transformer which takes a smaller input voltage and creates a larger output voltage.