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Sample Practice Test Questions

Electronics Information

If an electrical circuit is interrupted, which of the following will result?

open circuit

A closed circuit is a complete loop or path that electricity follows. It consists of a source of voltage, a load, and connective conductors. If the circuit is interrupted, if a wire is disconnected or cut for example, it becomes an open circuit and no electricity will flow.

Mechanical Comprehension

Specific gravity is a comparison of the density of an object with the density of:

water

Specific gravity is the ratio of the density of equal volumes of a substance and water and is measured by a hyrdometer.

General Science

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.

General Science

Food is mixed with gastric acid and pepsin in the __________ to help break down protein.

stomach

Food is mixed with gastric acid and pepsin in the stomach to help break down protein.

Word Knowledge
Lorraine was in rhapsody when she was accepte to the college of her dreams.
ecstasy
State of great happiness.
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.

Word Knowledge
Gary believed the black foreboding sky was an inauspicious sign.
ominous
Not favorable.
Shop Information

Which of the following nuts provide appendages that allow tightening and loosening by hand?

wing

Wrenches are used with threaded fasteners like bolts and nuts. A bolt has external threads while a nut has internal threads and this thread pattern combination allows them to lock together and act as fasteners. Nuts come in a variety of configurations including wing nuts which provide appendages that allow tightening and loosening by hand, slotted nuts that use a cotter pin to lock the nut in place and prevent it from loosening, and lock nuts that also prevent loosening via nylon in their threads. Threads are identified by pitch which is the number of threads per inch.

Electronics Information

From what energy do photovoltaic cells produce electrical energy?

sun

A photovoltaic cell (also known as a solar cell) converts energy from the sun into electrical energy.

Word Knowledge
Thelma tended to polarize discussions rather than to encourage compromise.
divide
To break up into opposing groups.