Title: Pressure System Test
Course: Intro to Control Devices (IC 108-IC 108) > Section: Assessments

Q: A gage pressure reading of 14.7 indicates the _________.
- pressure above atmospheric pressure
- pressure at atmospheric pressure
A: pressure above atmospheric pressure

Q: A liquid with a specific gravity that is less than 1 is _________ than water.
- lighter
- heavier
A: lighter

Q: A vacuum pressure scale gauge that displays 29.92 is measuring ____________.
- atmospheric pressure
- a complete vacuum
A: atmospheric pressure

Q: As temperature increases, the density of a liquid ____________.
- increases
- reduces
- does not change
A: increases

Q: As the temperature of a gas inside a sealed container rises, the pressure ___________.
- increases
- decreases
- stays the same
A: increases

Q: Diaphragms, bellows, and Bourdon tubes are all examples of _________.
- elastic elements
- amplifiers
- pressure regulators
A: elastic elements

Q: If a confined gas is removed to form a partial vacuum, its temperature will __________.
- increase
- decrease
- remain the same
A: increase

Q: If a liquid is removed from an enclosed container, the pressure on ___________.
- the inside wall of the container is less than the pressure exerted on the outside wall
- the inside wall of the container is more than the pressure exerted on the outside wall
- both sides of the container's walls will remain the same
A: the inside wall of the container is less than the pressure exerted on the outside wall

Q: If a pressure gauge displays a reading of 50 psig, what is the absolute pressure?
- about 35 psia
- about 50 psia
- about 65 psia
- about 100 psia
A: about 35 psia

Q: In a semiconductor strain gauge pressure sensor, the output is zero volts when no pressure is detected.
- True
- False
A: True

Q: Pressure can be used to measure the height of liquid in a container.
- True
- False
A: True

Q: The accuracy of a(n) __________ is altered by atmospheric pressure fluctuations.
- gage pressure measurement
- absolute pressure measurement
A: gage pressure measurement

Q: The altitude at or above sea level must be considered when measuring hydrostatic pressure of a liquid on an open container,
- True
- False
A: True

Q: The hydrostatic pressure created by a liquid in an open container _______________ when its temperature increases.
- increases
- decreases
- stays the same
A: increases

Q: The power source of a hydraulic system is __________.
- a compressor
- a pump
- gravity
- a boiler
A: a compressor

Q: The psia pressure reading of an inflated tire is the pressure __________.
- above atmospheric pressure
- above a vacuum
A: above atmospheric pressure

Q: The reference pressure of a gage pressure scale is ___________.
- the atmospheric pressure at sea level
- a vacuum
A: the atmospheric pressure at sea level

Q: The term __________ is commonly used to describe the height of a liquid in a container above the measuring point.
- specific gravity
- head
- atmosphere
- density
A: specific gravity

Q: There are ____________ resistive pressure elements in the bridge circuit of a semiconductor strain gauge.
- 1
- 2
- 3
- 4
A: 1

Q: Which of the following types of measurements can be made with a manometer?
- absolute pressure of a vacuum
- absolute pressure above atmospheric pressure
- differential pressure
A: absolute pressure of a vacuum