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WorksheetsLevel Transmitters Questions 1
Total questions: 21
Worksheet time: 5hrs 15mins
Which of the following is a distance measurement starting at the surface of a liquid and extending downward?
Height
Depth
Volume
Density
What is another name for outage?
Innage
Interage
Distraction
Ullage
Which of the following is the curved upper surface of a column of liquid?
Innage
Depth
Ullage
Meniscus
What happens to the volume of a liquid when the temperature increases?
The volume causes extreme pressure.
The volume decreases.
The volume remains the same.
The volume increases.
In what unit is liquid head pressure usually expressed?
Inches of water column
Inches of mercury
Inches of gravity
Inches of pressure
Which of the following is the most common indirect level measurement method?
Local head pressure
Linear head pressure
Liquid head pressure
Level head pressure
How much head pressure does ten feet of water exert?
4.33 psi
43.3 psi
433 psi
0.433 psi
Why are tubular glass gauges used less frequently?
They are expensive.
They are fragile.
They are outdated.
They are heavy.
Which type of flat glass level gauge must be rugged to prevent the material in the tank from draining out?
Reflex level gauges
Welded level gauges
Transparent level gauges
Float level gauges
What are metal tape gauges generally used to measure?
Continuous level changes in a tank
Specific gravity of a liquid
The position of a float to a liquid level
The difference in pressure between two liquids
Which of the following is used to measure level indirectly by measuring the change in the buoyancy experienced by the displacer as the liquid rises across its length?
Displacer
Bubbler
Nuclear level instrument
Load cell
Which of the following identify sound waves with frequencies that are not detectable by the human ear?
Ultrasonic devices
Radar devices
Nuclear devices
Level devices
The (a) signal is often associated with pneumatic instrumentation.
This signal range is commonly used in industrial applications where gas pressure is employed as the medium for transmitting information. Instruments utilizing this signal include pneumatic controllers, control valve, etc in various industries such as manufacturing, process control, and utilities. These systems are known for their simplicity, reliability, and suitability for certain industrial environments.
The (a) signal is widely recognized in industrial instrumentation, particularly in applications where electrical current serves as the medium for transmitting information. Instruments utilizing the 4-20mA signal include electronic sensors, transmitters, and other devices crucial for precise measurement and control in various industries, such as manufacturing, process control, and automation. These systems are valued for their robustness, signal integrity, and suitability for diverse industrial environments.
A ____________ pressure transmitter is a type of instrument used to measure the difference in pressure between two points in a system.
A ____________ pressure transmitter is often employed to measure the pressure drop across a flow restriction, such as an orifice plate or a venturi tube, in a fluid flow system. By measuring the pressure difference, the transmitter can provide valuable information about the flow rate.
A ____________ pressure transmitter can also be used to measure level in tanks among other processes
(a)
A level transmitter on Tank 205 is outputting a signal of 4 ma
Tank 205 is likely
Empty
Overflowing
Half full
Emergency response team to eliminate hazards
A level transmitter on Tank 115 is outputting a signal of 12 ma
Tank 115 is likely
Empty
Overflowing
Half full
Emergency response team to eliminate hazards
A level transmitter on Tank 104 is outputting a signal of 3 psi
Tank 104 is likely
Empty
Overflowing
Half full
Emergency response team to eliminate hazards
A level transmitter on Tank 104 is outputting a signal of 9 psi
Tank 104 is likely
Empty
Overflowing
Half full
Emergency response team to eliminate hazards
A level transmitter on the catalyst tank 4 is outputting a signal of 20 ma
catalyst tank 4 is likely
Empty
Completely full, check for overflowing
Half full
Emergency response team to eliminate hazards
A level transmitter on reflux drum 101 is outputting a signal of 0 ma
reflux drum 101 is likely
Empty
Completely full, check for overflowing
Half full
Something is wrong. Have outside operator check analog level transmitter on drum. Consider calling instrumentation tech
