A randomized 100 question test from a pool of 1236 questions, good luck!
A true force balance negative feedback system is a force balance system?
7 coulombs of charge require how many electrons?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
(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?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
The prefix "Kilo" can be expressed as?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
A pressure gauge at the bottom of a tank indicates a pressure of 7.9 psi. The relative density of the liquid is 0.87. What is the depth of the liquid in feet?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
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.
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
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
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
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?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to a flame-proof enclosure?
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
(310102g) Energy is lost due to undesirable resistance in any circuit. Which of the terms below refers to the power that is lost in a conductor during the transmission phase?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "⅜" refer to?
Of the terms below, what is "Power" measured in?
Linear motion negative feedback system consists of:
Materials with five or more electrons in their valence shell are considered what?
From the information given in the diagram below, what is the current flowing on branch R3?
14.696 psia is equal to?
"A method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
In the SI system, the unit for time is?
"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?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the outlet airflow rate be measured for purging times?
When making a span adjustment, what is the first adjustment made?
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
"An angle of 90°" is a description of which mathematical term?
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
1 psi is equal to _____ kPa
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
The circumference of a circle 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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
State the number 7.428 using scientific notation and round the answers to three significant digits.
Before allowing power to a device, it may be required to neutralize it's environment. Which of the methods below would best be described as a consistent positive pressure within an enclosure?
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
The prefix "Micro" can be expressed as?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
The volume of a cube is calculated with which correct equation?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
(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?
The volume of a rectangle is calculated with which correct equation?
The symbol for a voltage drop is which of the below?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
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.
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a explosion-proof enclosure?
What is the purpose of the PTC switch in a lithium battery?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
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?
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 blocks any excess voltage from gaining access to a hazardous area?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
The equation to calculate density is?
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?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of expending the accumulated energy in a capacitor?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
Convert the following quantities to the units asked for: 27000 seconds to hours.
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 45 lbf?
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
If angle "Y" is equal to 28 degrees, solve for angle "X"
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, removing securing devices and any isolation points once work area is deemed safe, would be which of the steps below?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
What are the two main systems of negative feedback?
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?
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
(310102m) There are numerous electrical devices in a circuit. Which of the devices below can be best described as a passive two-terminal component used to store and release electrical energy?
(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 it with a larger one in a simple circuit?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for suppliers?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
In the SI system, what is the fundamental hydrostatic pressure equation
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?
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?