A randomized 100 question test from a pool of 1236 questions, good luck!
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "ib" equipment can withstand?
From the information given in the diagram below, what is the voltage drop over R2, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use capacitor plates in the creation of an output signal?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends in line and one pipe connector?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
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
Convert 16.5 psi into kPa
"The production of an electromotive force in one circuit by a change in current in a separate circuit." is the best description of which of the terms below?
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 0-9 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between metal conduit and cable tray?
(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 many different types and styles of tubing in industry, but they can all be grouped into categories. Which of the answers below best represents all of the categories of tubing?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
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?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
In the SI system, what is the fundamental hydrostatic pressure equation
Solve for the missing side.
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
Isolate for"h" in the following equation y=(h-t)/r
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run cable to location?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
"A quantity, such as mass, length, or speed, that is completely specified by its magnitude and has no direction." is a description of which mathematical term?
In the SI system, the unit for length is?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power delivered by the battery?
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?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
What is the formula that the pneumatic relays amplification or gain is expressed by?
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
"Hydrostatic" pressure is sometimes referred to as
A moment balance negative feedback system is a motion balance system?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
If a closed tank is pressurized to 14 psig and the pressure gauge at the bottom of the tank reads 30 psig, what head (in meters) of a liquid with a R.D. of 0.87 is contained in the tank
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?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
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?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
(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 government agencies?
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?
A moment balance negative feedback system is a force balance system?
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on it??
(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?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
When selecting a hammer to use, what would "weight of head" help determine?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for determining the equivalency of training done outside Alberta?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
If tool crib attendant has 8 boxes of fittings, and one person takes 1 3/4 boxes, and another person takes 3 4/5 boxes, and another person brings back 2 1/4 boxes, how many boxes remain?
What is the formula to calculate Hydrostatic peressure
What are all the variables that can be measured when dealing with gases?
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
True force balance negative feedback system consists of:
(310101c) For higher working pressures, generally the wall thickness of tubing will increase. Which of the answers below would best relate to the effect of a tube's increased wall thickness?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
(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?
Calculate the relative density for a fluid that has a density of 748 kg/m³
Which pilot valve has two common supply connections, and two connections for output?
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
(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 employers?
"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?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Matter that is compose of only one atom is called what?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
The main function of a valve positioner is which of the below?
The trigonometric ratio of cosine is calculated with which mathematical equation?
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
The volume of a cube is calculated with which correct equation?
What is the name of the tool that is used on round stock to cut external threads?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
Solve for x: (3)(5)+9=x
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?
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?
When an atom gains an electron, it is commonly referred to as which of the below?