A randomized 100 question test from a pool of 1236 questions, good luck!
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
A battery has a rating of 80Ah, this means it can supply
Express ³²⁄₄₄ as a percent.
Circular chart recorders have several specific accessories. Which of the accessories below would use an ambient compensation capillary?
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line current to an open circuit?
"An angle of 90°" is a description of which mathematical term?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
(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?
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?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
Alternating current is bi-directional.
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would be leak-proof at any temperature or pressure
Which of the valves below would be used for isolation on each side of a control valve?
In the fraction A/b, is A the denominator?
"The results of a devices inelastic quality" is a definition of which term?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
(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 4 tubes together?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to permit the apprentice to register and attend technical training?
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
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 0-12 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
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?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
When taping a blind that does not go through the metal, the proper steps to tap it are:
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described a a device that produces linear motion from a source of power to control the flow of .energy of a process?
The best description for "Span error" in relation to calibrating instruments is which of the following?
What is the SI unit of pressure?
(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?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
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.
There are several different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
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?
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?
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
(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?
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 R2?
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?
"A characteristic where flow capacity increases linearly with valve travel. Flow is directly proportional to valve travel." is the best description of which of the terms below?
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?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the largest diameter of the thread?
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?
(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 signal circuits that are considered Class 2?
When a pressure of 15 psi is applied to a diaphragm actuator with a diameter of 18 cm, what is the force in Newtons (N) that is created?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
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?
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?
(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?
(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?
"A two ratios that are equal in an equation." is a description of which mathematical term?
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
There are two very common types of metric vernier calipers. If the caliper that you are using has 1mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
(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 larger OD tube to a smaller OD tube?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
What are the two main systems of negative feedback?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
There are several types of soldering irons that are available in industry. Which type of iron below would rely on a voltage being produced when the tip touches the work to be done?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
(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?
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
The volume of a sphere is calculated with which correct equation?
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?
The symbol for a amperes is which of the below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
"An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force." is a description of which one of Newton's laws?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be adjusted for any slight angularity issues?
From the information given in the diagram below, what is the voltage across each resistor?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that prevents the process from passing into the electrical conduit in the event of the initial seal failure?
In the fraction A/B, is A the numerator?
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would move as the direct result of the rotation of the torque shaft?
Chart recorders have some specialized applications in industry. Which of those applications would best make use of the multiple temperature inputs available?
In industry, electrostatic hazards are very important to understand. Which of the terms below can correctly be described as a charge created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other?
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."?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as general purpose?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
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?
746 Watts is equal to which of the terms below?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
(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?
1 pound mass is equal to?
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?
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
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 "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."