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Sample Practice Test Questions

General Science

The rows of the Periodic Table of the Elements are called:

periods

The rows of the Periodic Table are called periods and contain elements that have the same number of electron shells ordered from lower to higher atomic number. 

General Science

Which of these foods should a person with high cholesterol avoid?

eggs

Fats come in three types, saturated (meats, shellfish, eggs, milk), monounsaturated (olives, almonds, avocados), and polyunsaturated (vegetable oils). Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.

Word Knowledge
Apathetic most nearly means:
impassive
Showing little or no emotion.
Shop Information

Which of the following saws is not good for cutting wood?

hacksaw

A hacksaw has replaceable blades and is used to cut metal. The blade type is chosen based on the material that is to be cut. Blades with larger numbers of teeth per inch are more appropriate for cutting thinner materials.

Mechanical Comprehension

The mechanical advantage of a wheel and axle is equal to the:

ratio of the diameters of the wheels

A wheel and axle uses two different diameter wheels mounted to a connecting axle. Force is applied to the larger wheel and large movements of this wheel result in small movements in the smaller wheel. Because a larger movement distance is being translated to a smaller distance, force is increased with a mechanical advantage equal to the ratio of the diameters of the wheels. An example of a wheel and axle is the steering wheel of a car.

Word Knowledge
Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out.
strategem
A contrived plan.
Electronics Information

The conversion of alternating current (AC) into direct current (DC) is called:

rectification

A diode allows current to pass easily in one direction and blocks current in the other direction. Diodes are commonly used for rectification which is the conversion of alternating current (AC) into direct current (DC). Because a diode only allows current flow in one direction, it will pass either the upper or lower half of AC waves (half-wave rectification) creating pulsating DC. Multiple diodes can be connected together to utilize both halves of the AC signal in full-wave rectification.

Word Knowledge
Clairvoyance most nearly means:
divination
Ability to see things beyond ordinary perception.
Word Knowledge
The con man's fraud involved selling swampland to gullible investors.
deceit
Trick.
Automotive Information

Spark plugs receive current from the:

distributor

Spark plugs receive current from the distributor and use it to spark combustion in the combustion chamber of a cylinder.