A randomized 100 question test from a pool of 1236 questions, good luck!
Matter that is composed of more than one type of atom is called?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
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 R3?
The circumference of a circle is calculated with which correct equation?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
Factors affecting induced voltage include:
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
The outermost shell of an atom is called the valence shell.
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?
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?
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."?
(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 maintenance of instruments in hazardous locations of instruments?
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
Interpretation and use of correct installation standards is vital to the success of an instrument technician. Which of the associations below have set out the standards that must be followed?
What is the formula to calculate Hydrostatic peressure
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. what is the voltage drop over R2
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
(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 3 tubes together?
101.325 kPa is equal to?
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?
If, for every 20 C of charge, 60 J of energy is available, what is the voltage?
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?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
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?
From the information given in the diagram below, what is the voltage across each resistor?
What is the name of the tool used to cut internal threads after drilling a hole?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
If a closed tank is pressurized to 114.345 kPa and the pressure gauge at the bottom of the tank reads 165.456 kPa, what head (in feet) of a liquid with a R.D. of 0.83 is contained in the tan
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
"The quantifiable change in position of an object, including how far the object travels and in what direction, before achieving it's final position." is the description of which mathematical term?
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
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
(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??
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
When allowing power to flow to a device, purging may be required beforehand. Which of the answers below best represents the complete volumes of air with positive pressure?
The trigonometric ratio of sine is calculated with which mathematical equation?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
A _________ has the air connection usually under of the diaphragm.
What does the term "Cv" represent in calculating pressure drop?
The basic unit of matter is called?
What are the two types of magnet?
"Hydrostatic" pressure is sometimes referred to as
(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??
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
"The results of a devices inelastic quality" is a definition of which term?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
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?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
(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?
What is the purpose of the PTC switch in a lithium battery?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
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?
(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 "R"?
The symbol for resistance is which of the below?
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?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
"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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
A pneumatic level transmitter, with an output range of 20-100 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-15.5 meters. What is the fluid level if the transmitter signal is 78 kPa
State the number 479.3 using engineering notation and round the answers to three significant digits.
convert 56.7 psi to kPa.
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?
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
The prefix "Kilo" can be expressed as?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type ACR tube type typically have?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
Gauge pressure is?
(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 it with a smaller one in a simple circuit?
Solve for x: 45-200÷10=x
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
(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?
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
convert 4 ⁴⁄₁₁ to an improper fraction.
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the minimum or maximum concentration levels of a flammable or combustible material for ignition?
From the information given in the diagram below, what is the voltage drop over R1, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
Of the terms below, what is "Work" measured in?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
(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?