A randomized 100 question test from a pool of 1236 questions, good luck!
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
If field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
Convert 0.625 to a fraction.
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when connecting larger OD tube to a smaller OD tube?
Solve for the missing angle.
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
When selecting a valve for a piping system, several factors must be considered. Which of the terms below can be correctly described by the statement, "Constitutes the pressure differential generated between two defined points through various ares of loss."
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
How is the term "Cv" calculated?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI absolute temperature scale?
(310105d) The output of an applied force uses is a measurable quantity. Which of the terms below would be use "W" as it's unit of measurement?
(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??
When making a span adjustment, what is the first adjustment made?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
(310102n) The Canadian Electrical code (CEC) encompasses all standards for electrical/instrumentation work. Which of the sections of that code below would relate best to the grounding of less that 50V circuits?
Circular chart recorders have several specific accessories. Which of the accessories below would use an ambient compensation capillary?
There are several different types of hammers used in industry. Which of the hammers below best represents 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?
(310101c) For higher working pressures, generally the wall thickness of tubing will increase. Which of the answers below would best relate to the effect of a tube's increased wall thickness?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a nickle-chromium resistance wire?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced a resistor with a smaller one in a simple circuit?
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
If a closed tank is pressurized to 18 psig and the pressure gauge at the bottom of the tank reads 39 psig, what head (in meters) of a liquid with a R.D. of 0.76 is contained in the tank
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
The best description for "Span error" in relation to calibrating instruments is which of the following?
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 3.5 cm and the effective area of the diaphragm is 0.05 m^2
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
(310102n) The Canadian Electrical code (CEC) encompasses all standards for electrical/instrumentation work. Which of the sections of that code below would relate best to Class 2 circuits that are controlled remotely?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
"The heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
The radius of a circle is calculated with which correct equation?
If a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
(310104d) A control valve is one of many FCEs that are used in industry. Which of the answers below reflects the relationship between a control valve and the process variable?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
The basic unit of matter is called?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that conditions signals received or transmitted to a hazardous area
What does the term "Cv" represent in calculating pressure drop?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends in line and one pipe connector?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
What are the two main systems of negative feedback?
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
The area of a circle is calculated with which correct equation?
To preform a "Span" adjustment the order of the step(s) is/are?
Calculate the force in pounds which will be developed when a liquid pressure of 76 lbs/in² is applied to an area of 54 in².
The perimeter of a rectangle is calculated with which correct equation?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a 2.5 mm minimum water gauge flow to be maintained?
Convert the following quantities to the units asked for: 27000 seconds to hours.
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 only?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described an interaction that causes an affected object to This results in an alteration to the state of the object's momentum?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
5 coulomb of charge require how many electrons?
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 maximum of 1.2 volts it can develop or contain?
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
(310105d) Heat is produced when friction occurs during motion. Which of the terms below correctly identifies the type of friction that produces of this heat?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced a resistor with a larger one in a simple circuit?
Moment balance Negative feedback system consists of:
Convert ⅘ to a decimal.
1 psi is equal to _____ kPa
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "that at the same temperature and pressure, equal volumes of all gases contain the same number of molecules."?
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 types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
What provides the seal on the valve stem to prevent leakage of the process?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
In the SI system, what is the fundamental hydrostatic pressure equation
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
The Si unit for measuring force is the Newton. Which of the answers below is equal to an object that has a mass of 65830 g?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open