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Sample Practice Test Questions
When two air masses meet and neither is displaced, what kind of front is present?
stationary
When two air masses meet and neither is displaced, a stationary front is created. Stationary fronts often cause persistent cloudy wet weather.
Which of the following is the correct order for types of radiation from longest to shortest wavelength?
radio waves → visible light → gamma rays
The electromagnetic spectrum covers all possible wavelengths and frequencies of radiation. From lowest frequency (longest wavelength) to highest frequency (shortest wavelength) radiation: radio waves → microwaves → infrared waves → visible light → ultraviolet light → X-rays → gamma rays.
An air mass is a large body of air that has which of the following characteristics?
all of these
An air mass is a large body of air that has similar moisture (density) and temperature characteristics. A front is a transition zone between two air masses.
If BD = 22 and AD = 29, AB = ?
The entire length of this line is represented by AD which is AB + BD:
AD = AB + BD
Solving for AB:AB = AD - BDWaste gases from combustion are removed from the combustion chamber by the:
exhaust valve
The combustion chamber is located in the cylinder head and contains the combustion of the air-fuel mixture. This mixture is delivered by an intake valve and the waste gases from combustion are removed from the combustion chamber by the exhaust valve.
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.
In the metric system, what prefix represents 103?
kilo
Kilo is the metric system prefix for 103.