A randomized 100 question test from a pool of 1236 questions, good luck!
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
(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?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
(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 CEC generates a air grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Propane belong to?
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
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 distance from the crest of one thread to another crest measured along the length of the thread?
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with immediate and serious toxic effects?
Moment balance Negative feedback system consists of:
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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
If a pressure change of 20 kPa to 100 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 0.02 m².
The result of a _______ actuator is installed with a ________ valve will be air-to-close
What is the SI unit of force?
Choose the answer below that has the words in order to correctly fill in the blanks. "A per unit volume of free electrons that is _______, offers ______ resistance to current"
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
(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
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill ABSA requirements?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "5"?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
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?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that has contacts the process?
The circumference of a circle is calculated with which correct equation?
(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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
What are the three main elements of a regulator?
If a closed tank is pressurized to 101.345 kPa and the pressure gauge at the bottom of the tank reads 130.456 kPa, what head (in feet) of a liquid with a R.D. of 0.45 is contained in the tank
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
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.
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the enclosures inlet airflow rate be measured for purging times?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
Covert 34.5 kPa to psi.
The area of a circle is calculated with which correct equation?
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 flame-proof enclosure?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
To perform a "Zero" adjustment the order of step(s) is/are?
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 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?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
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?
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
Of the answers below, which one is a disadvantage of a Pinch valve?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
(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?
(310103d) There are several different designs of regulator. Which of the loading element designs below would have to slowest response to changes in downstream pressures?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
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?
The volume of a cylinder is calculated with which correct equation?
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?
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 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?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
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?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
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 current?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
(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?
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
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
From the information given in the diagram below, what is the total current if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
The 3 key elements of the WHIMIS system are, worker education, material safety data sheets and ________. Choose from the answers below to fill in the blank.
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the workers rights and responsibilities?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
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?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for elevators used by the public?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
(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?
The equation to compute mechanical advantage is which one of the below?
(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 require constant replacement?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
What is the purpose of the PTC switch in a lithium battery?
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 1 to non-hazardous?
"Is an area where no movement occurs with the actuators change in direction." describes which term?