ATI2 EXAM STUDY GUIDE (INCOMPLETE)
EXAM QUIZZES WITH VERIFIED ANSWERS .
What is the heart of any computer system? - Correct Answer -Operating system
UNIX is a trademark of what company? - Correct Answer -AT&T
What allows the programmer to write a single instruction that is equivalent to a specified sequence
of machine instructions? - Correct Answer -Macroinstructions
What is the greatest threat to the soundness of metals and to the structural integrity of an aircraft? -
Correct Answer -Metal corrosion
What is the primary consideration of a manufacturer during the design and production of an
aircraft? - Correct Answer -Aerodynamic efficiency
What is defined as anything that occupies space and has weight? - Correct Answer -Matter
Which substance cannot be reduced to a simpler substance by chemical means? - Correct Answer -
Element
What is the resulting substance called when 2 or more elements are chemically combined? - Correct
Answer -Compound
What is a combination of elements and compounds that are not chemically combined that can be
separated by physical means called? - Correct Answer -Mixture
What is the smallest particle of an element that retains the characteristics of that element called? -
Correct Answer -Atom
The atoms of each element are made up electrons, protons and in most cases neutrons, which are
collectively called what? - Correct Answer -Subatomic particles
1
, How many times more mass do protons have than electrons? - Correct Answer -1837
What state is the atom said to be in once it has been elevated to an energy level that is higher than
the lowest possible energy level? - Correct Answer -Excited
What are the groups of orbits called that electrons reside? - Correct Answer -Shells
Which property of the atom is determined by the number of electrons in the outermost shell? -
Correct Answer -Valence
What state is the atom said to be in when it loses electrons or gains electrons? - Correct Answer -
Ionization
What is the maximum number of valence electrons that conductors have? - Correct Answer -3
What is the minimum number of valence electrons that insulators have? - Correct Answer -5
How many valence electrons do semiconductors usually have? - Correct Answer -4
What is the best conductor of electricity? - Correct Answer -Silver
What is the opposition that a material offers to the magnetic lines of force called? - Correct Answer -
Reluctance
What is the opposition that a magnetism which remains in a temporary magnet referred to as? -
Correct Answer -Residual magnetism
What is a materials ability to retain residual magnetism called? - Correct Answer -Retentivity
What is the space surrounding a magnet where magnetic forces act known as? - Correct Answer -
Magnetic field
2
EXAM QUIZZES WITH VERIFIED ANSWERS .
What is the heart of any computer system? - Correct Answer -Operating system
UNIX is a trademark of what company? - Correct Answer -AT&T
What allows the programmer to write a single instruction that is equivalent to a specified sequence
of machine instructions? - Correct Answer -Macroinstructions
What is the greatest threat to the soundness of metals and to the structural integrity of an aircraft? -
Correct Answer -Metal corrosion
What is the primary consideration of a manufacturer during the design and production of an
aircraft? - Correct Answer -Aerodynamic efficiency
What is defined as anything that occupies space and has weight? - Correct Answer -Matter
Which substance cannot be reduced to a simpler substance by chemical means? - Correct Answer -
Element
What is the resulting substance called when 2 or more elements are chemically combined? - Correct
Answer -Compound
What is a combination of elements and compounds that are not chemically combined that can be
separated by physical means called? - Correct Answer -Mixture
What is the smallest particle of an element that retains the characteristics of that element called? -
Correct Answer -Atom
The atoms of each element are made up electrons, protons and in most cases neutrons, which are
collectively called what? - Correct Answer -Subatomic particles
1
, How many times more mass do protons have than electrons? - Correct Answer -1837
What state is the atom said to be in once it has been elevated to an energy level that is higher than
the lowest possible energy level? - Correct Answer -Excited
What are the groups of orbits called that electrons reside? - Correct Answer -Shells
Which property of the atom is determined by the number of electrons in the outermost shell? -
Correct Answer -Valence
What state is the atom said to be in when it loses electrons or gains electrons? - Correct Answer -
Ionization
What is the maximum number of valence electrons that conductors have? - Correct Answer -3
What is the minimum number of valence electrons that insulators have? - Correct Answer -5
How many valence electrons do semiconductors usually have? - Correct Answer -4
What is the best conductor of electricity? - Correct Answer -Silver
What is the opposition that a material offers to the magnetic lines of force called? - Correct Answer -
Reluctance
What is the opposition that a magnetism which remains in a temporary magnet referred to as? -
Correct Answer -Residual magnetism
What is a materials ability to retain residual magnetism called? - Correct Answer -Retentivity
What is the space surrounding a magnet where magnetic forces act known as? - Correct Answer -
Magnetic field
2
