Electrical and instrumentation study guide 1153 (CWEA)
questions and answers 2026\2027 A+ Grade
The relationship between absolute pressure and gauge pressure is expressed as__________.
- correct answer psia=psig+atmospheric pressure
The purpose of a snubber is to___________.
- correct answer Isolate a pressure-sensing element from rapid pressure changes
The definition of the term flow is____________.
- correct answer The actual quantity of fluid that passes a given point per unit of time
A pressure gauge that measures psig indicates a reading of 35.3. The local atmosphere pressure is 14.7
psi. The absolute pressure that corresponds to the psig reading is_________psia.
- correct answer 50
The purpose of an isolation diaphragm is to ____________.
- correct answer Separate the pressure element from the corrosive fluid of the process
The boiling point of water on the Fahrenheit scale at sea level is _________.
- correct answer 212 degrees F
The main disadvantage associated with bimetallic thermometers is that_____________.
- correct answer The metals harden if exposed to extremely high temperatures
Specific gravity is defined as__________.
- correct answer The ratio of the weight of a substance to the weight of an equal volume of water at 60
degree F
, To measure flow rate, orifice plates can be installed to create_____________.
- correct answer Differential pressure
To measure the levels of caustic liquids and acids, a_______ is commonly used.
- correct answer Magnetic type float device
The type of instrument used to measure level directly up to approximately 20 feet is a ____________.
- correct answer Dipstick
Convert 70 degree C to degrees Fahrenheit.
- correct answer 158 degree F
Convert 92 degrees Celsius
- correct answer 33.33 degree C
Which restriction type flow measuring device is considered to be the most accurate?
- correct answer Venturi Tube
An orifice plate is used to ___________.
- correct answer Provide a means of determining differential pressure
The pressure exerted by a solid block weighing 24 pounds with a bottom surface area of 3 square inches
is ___________psi.
- correct answer 8
To calculate the absolute pressure exerted on an object, you would__________.
- correct answer Add atmospheric pressure to gauge pressure
A gauge mounted 3 feet from the bottom of a tank indicates a pressure of 25.4 psi. The liquid in the tank
has a specific gravity of 3.6. What is the liquid level in the tank?
- correct answer 19.29 feet
questions and answers 2026\2027 A+ Grade
The relationship between absolute pressure and gauge pressure is expressed as__________.
- correct answer psia=psig+atmospheric pressure
The purpose of a snubber is to___________.
- correct answer Isolate a pressure-sensing element from rapid pressure changes
The definition of the term flow is____________.
- correct answer The actual quantity of fluid that passes a given point per unit of time
A pressure gauge that measures psig indicates a reading of 35.3. The local atmosphere pressure is 14.7
psi. The absolute pressure that corresponds to the psig reading is_________psia.
- correct answer 50
The purpose of an isolation diaphragm is to ____________.
- correct answer Separate the pressure element from the corrosive fluid of the process
The boiling point of water on the Fahrenheit scale at sea level is _________.
- correct answer 212 degrees F
The main disadvantage associated with bimetallic thermometers is that_____________.
- correct answer The metals harden if exposed to extremely high temperatures
Specific gravity is defined as__________.
- correct answer The ratio of the weight of a substance to the weight of an equal volume of water at 60
degree F
, To measure flow rate, orifice plates can be installed to create_____________.
- correct answer Differential pressure
To measure the levels of caustic liquids and acids, a_______ is commonly used.
- correct answer Magnetic type float device
The type of instrument used to measure level directly up to approximately 20 feet is a ____________.
- correct answer Dipstick
Convert 70 degree C to degrees Fahrenheit.
- correct answer 158 degree F
Convert 92 degrees Celsius
- correct answer 33.33 degree C
Which restriction type flow measuring device is considered to be the most accurate?
- correct answer Venturi Tube
An orifice plate is used to ___________.
- correct answer Provide a means of determining differential pressure
The pressure exerted by a solid block weighing 24 pounds with a bottom surface area of 3 square inches
is ___________psi.
- correct answer 8
To calculate the absolute pressure exerted on an object, you would__________.
- correct answer Add atmospheric pressure to gauge pressure
A gauge mounted 3 feet from the bottom of a tank indicates a pressure of 25.4 psi. The liquid in the tank
has a specific gravity of 3.6. What is the liquid level in the tank?
- correct answer 19.29 feet
