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WorksheetsInstrumentation L2: Temperature, Pressure, Level, and Flow #4
Total questions: 40
Worksheet time: 20mins
What is the primary function of the device shown in the image?
Measure temperature
Measure pressure
Measure flow
Measure humidity
The device shown in the image is used to measure ______.
temperature
pressure
flow
humidity
Which of the following is a unit of measure for flow?
Liters per second
Meters per second
Kilograms
Newtons
Friction affects flow rates by causing
Increase in speed
Decrease in pressure
Increase in temperature
Decrease in flow rate
Fill in the blank: Instruments used to measure flow rates through differential pressure include ______.
Venturi meters
Thermometers
Barometers
Anemometers
Which method is used to measure flow rates by means other than differential pressure?
Ultrasonic flow meters
Thermocouples
Pressure gauges
Hygrometers
Which of the following is a measurement device used to measure temperature?
Thermometer
Barometer
Anemometer
Hygrometer
Identify the measurement device that measures pressure: ________.
A) Thermometer
B) Barometer
C) Anemometer
D) Hygrometer
What is a simple calibrated flow switch used for in some applications?
To measure temperature
To prove the operation of a pump
To control electrical circuits
To monitor pressure.
In applications where the volume or flow rate must be monitored, measured, and/or controlled, more complex devices are required. Fill in the blank: A simple calibrated flow switch is sufficient in applications where all that needs to be determined is the presence of a ________.
minimal fluid flow
high pressure
electrical current
temperature change
What does velocity measure?
Rate and direction of motion
Amount of space occupied
Equivalent to weight
Density of a substance.
The volumetric flow rate Q is calculated as Q = area × ______.
A) velocity
B) mass
C) volume
D) density
What happens to the velocity of fluid when the pipe size is reduced?
It decreases
It remains the same
It increases
It fluctuates.
As the pipe narrows, the pressure against the pipe walls ________.
increases
decreases
remains constant
What is the flow rate through a pipe if the maximum ΔP is 25 Pascals (Pa) and the measured DP is 4 Pa of water? The maximum flow rate is 378.5 liters per minute (l/min).
A) 6.67 g/m
B) 5.67 g/m
C) 7.67 g/m
D) 8.67 g/m
Fill in the blank: The flow rate is calculated as 64×minute10 gallons=6 min40 g . The flow rate is _____ g/m.
5.67
6.67
7.67
8.67
What is the formula for calculating the Beta Ratio in an orifice plate?
d/D
D/d
d*D
D-d
Fill in the blank: The Beta Ratio of an orifice plate should generally fall between ___ and 0.7.
0.1
0.3
0.5
0.9
What is one advantage of using a flow nozzle compared to an orifice plate?
Lower cost
Less turbulence
Easier installation
Smaller size
Fill in the blank: The transition of fluid through a flow nozzle is _______ turbulent than through an orifice plate.
more
less
equally
not
What is one advantage of using a venturi tube for fluid transition?
It requires less space for installation
It creates more turbulence
It provides a smooth transition with less turbulence
It is cheaper to install.
The transition of fluid through a venturi tube is smooth and has considerably less ______ compared to similar devices.
Space
Turbulence
Cost
Complexity
What is the primary use of pitot tubes?
To measure temperature
To measure flow that is not confined to a pipe
To measure pressure
To measure humidity
Pitot tubes are used in aircraft to gather ______ information.
temperature
flight
pressure
humidity
What does the amount of target deflection provide information about?
Temperature
Flow rate
Pressure
Volume
The amount of target deflection provides the information to determine ______.
Temperature
Flow rate
Pressure
Volume
What is one major advantage of electromagnetic flowmeters?
They have moving parts
The bore is completely unobstructed
They are very expensive
They require frequent maintenance.
Electromagnetic flowmeters have a bore that is ______.
partially obstructed
completely unobstructed
filled with moving parts
prone to clogging
Which of the following fluids is a good application for turbine flowmeters?
Water
Syrup
Honey
Oil
Turbine flowmeters are extremely accurate for fluids that are not too ____.
Thick
Thin
Cold
Hot
What is one of the main advantages of vortex flowmeters?
Limited application range
Inaccuracy
Broad application range
Unreliability
Vortex flowmeters may not work well if the fluid contains material that might _______ to the surface used to create the vortex.
A) adhere
B) repel
C) dissolve
D) evaporate
What are the two main forces acting on the piston of a rotameter?
A) Gravity and magnetic force
B) Gravity and fluid flow
C) Fluid flow and electric force
D) Electric force and magnetic force.
In a rotameter, as the piston rises, the area around it becomes ______, allowing more fluid to pass.
smaller
larger
unchanged
blocked
What is the primary function of a Coriolis Meter?
Measure temperature
Measure fluid flow
Measure pressure
Measure level
In a Coriolis Meter, the twist angle is caused by ______.
Temperature changes
Pressure differences
Fluid forces reacting to vibration
Electrical signals.
What is a venturi tube?
A) A device to measure pressure
B) A device to measure flow rate
C) A device to measure temperature
D) A device to measure humidity
The formula for calculating flow rate in a venturi tube is given in the form of ______.
A) Bernoulli's equation
B) Newton's law
C) Boyle's law
D) Ohm's law
What is the main focus of the next laboratory session?
Identifying and Describing Measurement Devices
Performing Chemical Reactions
Analyzing Data
Writing Reports
The next session will involve _______ and completion of the Performance Task for this module.
practice
theory
observation
discussion
