A randomized 100 question test from a pool of 1236 questions, good luck!
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
Which term can be defined as the pressure measured from absolute zero?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
If a closed tank is pressurized to 10 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.78 is contained in the tank
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as the number of magnetic lines of flux that pass through a certain point on a surface?
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for elevators used by the public?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
Electrical conduit is used to protect the cables running to the instruments. Which of the types of conduit below would be used in a corrosive atmosphere?
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an increase in resistive load?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where no internal pressures need to be tolerated?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
There are many terms for specific electrical components. Which of the components below is best described as a passive electrical component with the primary function to limit the flow of electric current?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction outside the magnet?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
Bourdon measuring elements have tubes that are classified into three broad categories. which of the tube types below would be the most sensitive to pressure changes?
"A triangle where one of its interior angles is 90 degrees." is a description of which mathematical term?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would explosion-proof equipment be primary used?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run insulated impulse lines to location?
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an increase in resistive load?
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure increase?
The main function of a valve positioner is which of the below?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
A true force balance negative feedback system is a force balance system?
The equation to calculate density is?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a minimum of 1.3 volts it can develop or contain?
The prefix "Milli" can be expressed as?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the roof of the container. Of the following answers, which gas would he be testing for?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Piping material that is non-ferrous is most common in lower temperature services. Which of the answers below would best be classified as a "non-ferrous" material?
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
"Two external forces acting on an object or surface that are not in opposition of each other;" is a description of what type of stress?
The area of a circle is calculated with which correct equation?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the letter "A" in the picture below?
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Piping material that is non-ferrous is most common in lower temperature services. Which of the answers below would best be classified as a "non-ferrous" material?
Piping material that is non-ferrous is most common in lower temperature services. Which of the answers below would best be classified as a "non-ferrous" material?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe has the diameter doubled, which of the answers below would be the result?
What is the formula that the pneumatic relays amplification or gain is expressed by?
1 pound mass is equal to?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
The trigonometric ratio of cosine is calculated with which mathematical equation?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
Lifting a load with rigging is an involved and potentially dangerous task. When working with slings, which of the angles below is the commonly used safe lifting angle?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
In industry, electrostatic hazards are very important to understand. Which of the answers below correctly identifies an work station that has an anti-static mat on it?
34.450 in engineering notion is what?
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
The CEC generates a dust grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would metallic, hazardous dust belong to?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure audible alarm, fuse and an interlock?
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "C"?
If a pressure change of 20 kPa to 60 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.09 m^2
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would capillary or impulse line to the instrument be used?
Convert ⁸⁄₁₉ to a decimal.
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would move as the direct result of the rotation of the torque shaft?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
The symbol for a amperes is which of the below?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
If angle "Y" is equal to 28 degrees, solve for angle "X"
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
"5 x 7=7 x 5" is an example of which mathematical law?
Calculate the normal force exerted by an object that has a mass of 6732 grams
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
There are several parts to a drill bit. Which of the terms below best represents the part of a drill bit that is used to cut into materials?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
There are many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
Pick the answer that will fill the blank. "_______ of the voltage would appear across the open circuit in a ______ circuit."
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "the point at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied."?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described a a device that produces linear motion from a source of power to control the flow of .energy of a process?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen position adjustment/verification be?
When making a span adjustment, what is the first adjustment made?
An instrument technician sometimes has to do calibrations while the process is still running. Which of the terms below identifies a calibration done on a live process?
What is the purpose of the PTC switch in a lithium battery?