1-20.
What change, if any, will occur
in the volume and weight of a
substance if its temperature
changes?
1.
Both its volume and weight
will change
2.
Both its volume and weight
will be unaffected
3.
Its volume will change, but
its weight will remain
constant
4.
Its weight will change, but
its volume will remain
constant
1-21.
Which statement about specific
gravity is false?
1.
The density of a solid can be
determined by multiplying its
specific gravity times the
density of water
2.
Specific gravity can also be
described as specific weight
or specific density
3.
Specific gravity of a
substance should be measured
at a standardized temperature
and pressure
4.
Specific gravity will vary
with the size of the sample
being tested
1-22.
How can the specific gravity of a
liquid or solid be expressed?
1.
As a ratio between the weight
of the substance and the
density of a volume of water
2.
As a ratio between the weight
of the substance and the
weight of an equal volume of
water
3.
As the number that shows the
density of the substance in
the metric system
4.
As in 2 and 3 above
1-23.
What is the specific gravity of a
liquid which weighs 44 pounds per
cubic foot at 4°C?
1.
0.440
2.
0.624
3.
0.705
4.
0.789
1-24.
1-25.
1-26.
1-27.
1-28.
What is the density of a solid
that has a specific gravity of
2.5?
1.
156 pounds per cubic foot
2.
250 pounds per cubic foot
3.
312 pounds per cubic foot
4.
482 pounds per cubic foot
What is the specific gravity of a
solid object which weighs 49.92
pounds per cubic foot?
1.
0.789
2.
0.8
3.
2.7
4.
0.9
A device used for measuring the
specific gravity of a liquid is
known as a
1.
hydrography
2.
hydrometer
3.
hydrostat
4.
hydroscope
Learning Objective:
Recognize
the principles and equations
involved with the transmission of
forces, and solve related
problems.
The pressure of force exerted on
the end of a rigid metal bar is
applied equally and undiminished
to all surfaces of the bar.
1.
True
2.
False
The head, or pressure due to the
weight of a fluid, depends on the
density of the fluid and the
1.
area of the bottom surface of
the container
2.
total volume of the fluid
3.
vertical height of the fluid
4.
geometric shape of the
container
3