A randomized 100 question test from a pool of 1236 questions, good luck!
From the information given in the diagram below, what is the voltage across each resistor?
(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?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 1000 hours a year?
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
Which are the two major categories of pressure regulators?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
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?
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?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
34.450 in engineering notion is what?
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
In the fraction A/b, is A the denominator?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
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.
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
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
(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?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below would best be described as,"the measure of the intensity of the force imposed on this object by the local gravitational field"?
What is the name of the part of a drill bit that gets fitted into the drill spindle?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
Express 60% as a reduced fraction.
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
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?
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
(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 through the side wall of an enclosure?
A _________ has the air connection usually above the diaphragm
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
(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 tubing around a tight corner?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
There are electrical properties that are inherent to coils. Which of the answers below correctly identifies the properties that a coil possesses?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 2 to non-hazardous?
State the number 479.3 using engineering notation and round the answers to three significant digits.
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
An I/P transducer is a positioner.
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly fill the blank in the statement, "The generation of an electrostatic charge is ________ in conditions that are humid?"
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
Convert the following quantities to the units asked for: 4572 cm to yards.
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
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 a physical barrier between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
What is the term used to describe the total opposition to current flow in an AC circuit?
(310103f)There are several methods for measuring process variables. Which of the transmitters below would use cavities filled with oil used as a dielectric in the creation of an output signal?
(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?
The inert purge gases for GMAW and GTAW welding processes are non-toxic, but are still dangerous. In what situation below would these gases be a danger?
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
65% of 765 is equal to?
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
(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?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
(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?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the temperature at which a particular organic compound gives off sufficient vapor to ignite in air?
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?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
Isolate for "v" in the following equation: d=vt
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
(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?
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?
convert 4 ⁴⁄₁₁ to an improper fraction.
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be to used in squaring the drive arm and link as well as the range arm?
How is the term "Cv" calculated?
What is the SI unit of pressure?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
A multi-wheel cutter is used when
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
"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?
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?
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
To perform an "Angularity" adjustment, the order of step(s) is/are?
"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?
Which type of valve is pictured below?
1 pound mass is equal to?
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 visual indicator only?
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
Faraday's law of induction states:
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given area?
Determine x if 5:16=x:128.
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(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?