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Physical Science Ch 13 Review
Test Description: Ch 13 Fluids
Instructions: Answer all questions to get your test result.
1) In order to calculate pressure exerted on a surface, what quantity is divided by the surface area?
A
force
B
altitude
C
volume
D
mss
2) If the air inside a balloon exerts a force of 1.5 N on an area of 0.5 m2, what is the pressure inside the balloon?
A
1.5 N/m2
B
0.5 N/m2
C
3 N/m2
D
2.5 N/m2
3) What is the SI unit of pressure?
A
the pascal
B
m/s2
C
the newton
D
g/cm3
4) A pressue of 70 N/2 equals
A
700 Pa
B
7 Pa
C
70 Pa
D
7000 Pa
5) Where is fluid pressure greatest?
A
The pressure is the same in all parts of the swimming pool.
B
30 centimeters below the surface of a swimming pool.
C
2 meters below the surface of the swimming pool
D
1 meter below the surface of the swimming pool
6) Which of the following matreials is NOT a fluid?
A
cork
B
water
C
gasoline
D
air
7) Which of the following is NOT possible?
A
compressing 10 liters of oxygen gas into a 1-liter volume
B
allowing 5 liters of compressed air to expand to a volume of 100 liters
C
compressing 2 liters of water into a 1-liter volume
D
filling a balloon using helium gas from a pressurized tank
8) The pressure of a fluid at a specific depth
A
varies with the total volume of the fluid.
B
is exerted only in the downward direction.
C
depends only on the type of fluid
D
all of the above.
9) Two identical test tubes are filled with equal volumes of water and mercury. Which of the following statements is true?
A
All of the above.
B
The pressure at the bottom of both test tubes is the same.
C
The weight of both liquids is the same.
D
The bottom area of both test tubes is the same.
10) Atmospheric pressure is caused by
A
clouds
B
the altitude above sea level.
C
the weight of the atmosphere above a particular location
D
air currents
11) The pressure is caused by
A
the weight of the atmosphere above a particular location
B
air currents
C
clouds
D
the altitude above sea level
12) Which principle states that a change in the pressure at any point in fluid in a closed container is transmitted equally in all directions throughout the fluid?
A
Archimedes' principle
B
Bernoulli's principle
C
Pascal's principle
D
Newton's principle
13) The operation of a hydraulic lift system is explained by
A
Archimedes' principle
B
Pascal's principle
C
Bernoulli's principle
D
Newton's principle
14) Where will the greatest increase in pressure occur if you squeeze the middle of a upright, closed soft-drink bottle?
A
The greatest increase in pressure will occur in the middle of the bottle.
B
The greatest increase in pressure will occur on the bottom of the bottle.
C
The pressure will increase equally everywhere within the bottle.
D
The greatest increase in pressure will occur at the top of the bottle.
15) The hydraulic system of a dump truck is designed to multiply.
A
pressure
B
force
C
speed
D
distance
*select an answer for all questions
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