A randomized 100 question test from a pool of 1236 questions, good luck!
There are some terms that are associated with capacitors. Which of the terms below is defined as the permittivity of a given material relative to that of the permittivity of a vacuum.
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
To alter the pressure setting of a regulator, you would adjust what?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described as having a blind and a spacer together in one assembly?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to depth." is one of the principles of which answer below?
Which of the following is not affected by a positioner?
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 and fuse only?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
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
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
There are numerous steps to drilling with a power drill. Which answer below correctly identifies the size of the center punch mark in a piece to be drilled?
The equation to compute mechanical advantage is which one of the below?
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
What is the SI unit of pressure?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
There are two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
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 particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
(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??
(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 installation of an electrical communication system?
Calculate the gain when a change from 1.55 psig to 2.15 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
The trigonometric ratio of sine is calculated with which mathematical equation?
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
What is the name of the tool used to cut internal threads after drilling a hole?
(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 transformer circuits for instruments?
A capacitor discharges it's voltage at a specific rate. How many tau are required for a capacitor to expend 99% of it's original voltage?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R1?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for the alignment for the path of travel of the valve plug?
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
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?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
Circular chart recorders have several specific accessories. Which of the accessories below would use an ambient compensation capillary?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
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?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
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?
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
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?
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
For every gas law there is a corresponding equation. Which of the gas laws below is missing from the Combined Gas Law?
What are the 2 major parts of a control valve?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the "SS" refer to?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
To perform an "Angularity" adjustment, the order of step(s) is/are?
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the short circuit current?
What are the three areas of WHMIS?
Heat is based on the movement of molecules. Which of the answers below correctly fills the blank in the following sentence, "Temperature is the measurement of the average _________ of the movement of molecules."
Factors affecting induced voltage include:
What is the smallest charged particle?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
State the number 7.428 using scientific notation and round the answers to three significant digits.
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
Calculate the gain when a change from 0.85 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 18 psig in the relay output occurs.
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Ethylene belong to?
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?
"pressure developed by a column of liquid" is the definition of which term
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.
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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
The symbol for resistance is which of the below?
1 pound mass is equal to?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310104b)There are many different valves to be used for different processes. Which of the valves below would best be used in a high pressure process?
A moment balance negative feedback system is a force balance system?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "The amount of opportunities for the atoms of the conductor to affect current flow per linear unit"
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?