A randomized 100 question test from a pool of 1236 questions, good luck!
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
The equation to compute mechanical advantage is which one of the below?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would convey the movement of the drive arm to the range arm?
"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?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
In the SI system, the unit of force is?
When making an angularity adjustment, what is the first adjustment made?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standards set for employers?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
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?
Convert 18.5 psi into inches W.C.
If a closed tank is pressurized to 105.345 kPa and the pressure gauge at the bottom of the tank reads 198.456 kPa, what head (in feet) of a liquid with a R.D. of 0.11 is contained in the tan
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate across an orifice plate?
To perform an "Angularity" adjustment, the order of step(s) is/are?
"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?
(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 power circuits that are considered low energy?
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 0-20 meters. What is the transmitter output signal if the fluid level is at 6.65 meters?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
"Any point on a circuit where two or more current flows meet or are split." is the best description of which of the terms below?
From the information given in the diagram below, what is the voltage drop over R4, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
(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"?
State ⁶⁵⁄₁₄ as a mixed fraction.
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 0-14 meters. What is the fluid level if the transmitter signal is 35 kPa
The supplier label:
(310104b) Valve disassembling is a fundamental part of the Instrumentation trade. Which of the hazards below would be of primary importance to eliminate when disassembling a sliding stem actuator?
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
Newton's first law is also known as?
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?
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?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
(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?
Convert 0.125 to a fraction.
There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
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.
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
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?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of removing oxides and sulfides as well as refining the grain of the steel?
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 different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
(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?
"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?
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?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
What is the purpose of the PTC switch in a lithium battery?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
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?
There are many studies on how pressure and force affect fluids. "Container shape does not affect fluid pressure." is one of the principles of which answer below?
There are several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
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
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 several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe a thread with a 16 TPI?
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?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
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 voltage delivered to the field device?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"An electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance." is the best description of which of the terms below?
What pressure is exerted at the base of a tank that is 6.7 meters high, with a liquid that has a density of 1200 kg/m³?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
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.
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
Of the adjustments below, which is the most common adjustment made?
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?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be referred to as the ability to accept or resist an external force trying to deform it?
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
60% of 54 is what?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would a thread-o-let welded to the process line be considered?
If a closed tank is pressurized to 15 psig and the pressure gauge at the bottom of the tank reads 36 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank
(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?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
Circular chart recorders have several specific accessories. Which of the accessories below would use an ambient compensation capillary?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Convert 88 PSI to kPa
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
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?