A S S I G N M E N T
2
Textbook Assignment:
“Engineering
“Basic Steam
Fundamentals,” chapter 2, pages 2-1 through 2-20, and
Cycle,” chapter 3, pages 3-1 through 3-6.
2-1. Matter is defined as anything that
occupies space and has
1. color
2. weight
3. motion
4. electrical energy
2-2. Which of the following substances
CANNOT be reduced to a simpler
substance by chemical means?
1. An element
2. A compound
3. A gas
4. A molecule
2-3. When two or more elements are
chemically combined, what iS the
resulting substance called?
1. An atom
2. A solid
3. A mixture
4. A compound
2-4. A combination of elements and
compounds that are not chemically
combined and can be separated by
physical means is known as a
1. compound
2. molecule
3. mixture
4. gas
2-5. A molecule is a chemical combination
of which of the following parts?
1. Two or more atoms
2. Two or more compounds
3. A liquid and a solid
4. An element and a compound
2-6. The smallest particle of an element
that retains the characteristic of
that element is known by what term?
1. A compound
2. A molecule
3. A mixture
4. An atom
2-7. The electron and proton each have the
same quantity of charge, although the
mass of the proton is about how many
times that of the electron?
1.
1028
2.
1500
3.
1837
4.
3000
2-8. An atom of hydrogen, which contains
one proton and one electron, has what
atomic number?
1. One
2. Two
3. Three
4. Four
2-9. Which of the following equipment
use(s) magnetic tape?
1. Computers
2. Tape recorders
3. Video reproduction equipment
4. All of the above
2-10. Electric motors use magnets to
convert mechanical energy into what
other type of energy?
1. Heat energy
2. Solar energy
3. Electrical energy
4. Chemical energy
7
