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Sample Practice Test Questions

Mechanical Comprehension

The work done by the sum of all forces acting on a particle equals the change in the kinetic energy of the particle. This defines which of the following?

work-energy theorem

The work-energy theorem states that the work done by the sum of all forces acting on a particle equals the change in the kinetic energy of the particle. Simply put, work imparts kinetic energy to the matter upon which the work is being done.

Word Knowledge
Although her stomach was in knots, the actress appeared perfectly composed when she took the stage.
serene
Calm.
Automotive Information

Gases from combustion are pushed out through the exhaust valve as the piston travels up the cylinder to top dead center. This describes which engine stroke?

exhaust

During the exhaust stroke, just before the piston reaches bottom dead center the exhaust valve opens. The resulting gases from combustion are then pushed out through the exhaust valve as the piston travels up the cylinder to top dead center, completing stroke four of the four-stroke piston cycle.

General Science

Menstruation occurs when:

the ovum fails to become fertilized

If the ovum fails to become fertilized, the lining of the uterus sloughs off during menstruation. From puberty to menopause, this cycle of menstruation repeats monthly (except during pregnancy).

Math Knowledge
19

If a = 4, b = 2, c = 9, and d = 4, what is the perimeter of this quadrilateral?

19

Perimeter is equal to the sum of the four sides:

p = a + b + c + d
p = 4 + 2 + 9 + 4
p = 19

Word Knowledge
Placebo most nearly means:
sugar pill
An inactive substance used in medical testing.
Electronics Information

Which of the following will help to prevent a short circuit?

fuse

Fuses are thin wires that melt when the current in a circuit exceeds a preset amount. They help prevent short circuits from damaging circuit components when an unusually large current is applied to the circuit, either through component failure or spikes in applied voltage.

Word Knowledge
Beneficial most nearly means:
advantageous
Helpful.
Word Knowledge
The extenuating circumstance of Calvin's illness caused the teacher to excuse his lateness.
mitigating
Partially excusing.
Word Knowledge
Deferment most nearly means:
postponement
The act of delaying.