WorksheetsInstrumentation Test 1 Spring 2024
Total questions: 68
Worksheet time: 11hrs 20mins
Which of the following was one of the first types of industrial speed controls?
What was created in 1932 by Harry Nyquist?
Which of the following is a reason why computer use did not rapidly develop in the late 1950s?
Who introduced the Model 4004 microprocessor in 1971?
Instrumentation allows up to monitor a process efficiently. Why is process monitoring important?
How does instrumentation benefit process operators?
Which of the following is an important aspect of a process operator's work?
What can the process operator identify most quickly?
Which of the following is a measured property of the process that can be controlled by a DCS?
What type of energy does temperature measure?
Which term refers to the surface position of a material in a vessel?
What are the categories of process instrumentation components?
Which of the following are one of the most common remote instruments?
What kind of instruments are powered by compressed air or gas?
Which of the following are still important instrumentation, but on the decline?
What is another name for the simplified relationship between temperature and pressure?
A tank has a starting pressure of 15.7 psia. A change in temperature causes the pressure to become 17.4 psia. What is the pressure in psig?
A. 10.4 psig
B. 13.4 psig
C. 16.4 psig
D. 19.4 psig
A tank has a starting temperature of 650°R. What temp scale is being referenced
Kelvin
Celsius
Fahrenheit
Rankine
What happens to the boiling point of a liquid when the pressure applied to the surface of a liquid decreases?
Which of the following is one of the most common process variables encountered?
Largely because it is often used in instruments to determine and calculate other process variables
Which of the following is a push or pull exerted on a solid object?
Which of the following is the amount of atomic or molecular weight in a body or object?
Which of the following is the density of a substance relative to the density of water?
How many atmosphere is the psia equivalent?
Which of the following is the unit of measurement on barometers to determine atmospheric pressure?
Which of the following is considered a total vacuum?
B. 14.7 psi
Which of the following is the most common type of manometer?
When might a compound vacuum/pressure gauge be necessary?
What does a differential pressure transmitter measure?
Which of the following measure tank levels using the material weight applied to the device?
Which is a correct mathematical relationship between psia and psig?
C. psia = inWc + psig
Which of the following is the pressure equivalent of inches of water to
Which of the following conversions must process technicians learn?
What is 20 inches Hg converted to inches H2O?
B. 280.8 psi
C. 250.5" in WC
D. 301.1" mm HG
What is the formula for the conversion from psig to inches of mercury?
psig × 22.4
psig × 2.04
Which of the following is defined as the amount of heat required to raise the temperature of a pound of water
What are the three ways heat transfer occurs in process industries?
Which of the following is the transfer of heat by emitted radiant energy?
Who determined the freezing point of water
Which of the following is the most common method of temperature measurement?
Multiple points
Single point
Multiple average points
Which of the following is constructed of a bulb and capillary tube with a numbered scale?
Which of the following are not typically found in process areas?
What is emissivity?
What are connected to many RTDs?
Which of the following are small ceramic resistors with a high temperature coefficient of resistance?
How many times larger is the Celsius scale unit than the Fahrenheit unit?
What is 77°F converted to Celsius?
Which of the following is the conversion formula for Celsius to Kelvin?
Which of the following is a distance measurement starting at the surface of a liquid and extending downward?
Density
Depth
Volume
Height
What is another name for outage?
Innage
Distraction
Ullage
Interage
Which of the following is the curved upper surface of a column of liquid?
Meniscus
Innage
Ullage
Depth
What happens to the volume of a liquid when the temperature increases?
The volume remains the same.
The volume causes extreme pressure.
The volume increases.
The volume decreases.
In what unit is liquid head pressure usually expressed?
Inches of pressure
Inches of mercury
Inches of water column
Inches of gravity
Which of the following is the most common indirect level measurement method?
Local head pressure
Liquid head pressure
Level head pressure
Linear head pressure
How much head pressure does ten feet of water exert?
0.433 psi
4.33 psi
433.3 psi
4333.3 psi
Why are tubular glass gauges used less frequently?
They are heavy.
They are fragile.
They are outdated.
They are expensive
Which type of flat glass level gauge must be rugged to prevent the material in the tank from draining out?
Float level gauges
Transparent level gauges
Reflex level gauges
Welded level gauges
What are metal tape gauges generally used to measure?
Specific gravity of a liquid
Continuous level changes in a tank
measure level indirectly by measuring the change in the buoyancy of displacer as the liquid rises?
Displacer
Bubbler
Which of the following identify sound waves with frequencies that are not detectable by the human ear?
Ultrasonic devices
Nuclear devices
Level devices
Differential pressure transmitter might be called a
DP
Remote Transmitter Console
Temperature Transmitter
Emerson Transmitter
Select all that a differential pressure transmitter could be used to do
Measure level
Measure flow
Measure pH
Measure if a filter is flowing well or clogged
14.7 is
Process Technology is:
5 process variables are:
Instrumentation uses a group of devices to monitor and control a process. That might be called a:
Process Group
Process Control Loop
Process Computer system
Process Technology
