A randomized 100 question test from a pool of 1236 questions, good luck!
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
In a baffle-nozzle-restrictor motion detector the:
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 terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
What type of flux is generally used the most in electronic soldering?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
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 short circuit current?
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an increase in resistive load?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
State the number 13487000 using scientific notation and round the answers to three significant digits.
Which are the two major categories of pressure regulators?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
To perform a "Zero" adjustment the order of step(s) is/are?
State the number 789342.61 using decimal notation and round the answers to three significant digits.
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would capillary or impulse line to the instrument be used?
There are several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
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?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI absolute temperature scale?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
What percentage of 35 is 21?
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"?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
If a pressure change of 20 kPa to 90 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 5.5 cm and the effective area of the diaphragm is 0.065 m^2
Many electrical properties are a measured quantity, needing a unit of measurement. Which of the units below would be the correct unit of measurement for inductance?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
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 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?
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?
(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?
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
"A hazard within the workplace that can harm the body without necessarily touching it. Vibration and noise are examples of this type of hazards." This statement best describes which of the following hazard groups?
Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
Convert 0.500 to a fraction.
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 different types of layout tools used in industry. Which of the tools below best represents the following picture?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
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
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
If a closed tank is pressurized to 10 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.78 is contained in the tank
(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?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
What is the area of a semi-circle with a diameter of 2.45m?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
(310105i) Any liquid has inherent properties associated with it. When measuring the force applied to the entire area of a liquid, which of the answers below are you trying to measure?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
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?
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." is the best description of which of the terms below?
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?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
There are many terms for specific electrical components. Which of the components below is best described as a passive electrical component with the primary function to limit the flow of electric current?
To preform a "Span" adjustment the order of the step(s) is/are?
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
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 audible alarm only?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
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?
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?
(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 circuits that are controlled remotely?
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 "i" equipment can withstand?
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?
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.
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the pressure of a given mass of gas varies directly with the absolute temperature of the gas, when the volume is kept constant."?
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
The area of a circle is calculated with which correct equation?
What is the main purpose of valve positioners?
What is the term used to describe the total opposition to current flow in an AC circuit?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
Convert the following quantities to the units asked for: 27000 seconds to hours.
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?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the outlet airflow rate be measured for purging times?
If a closed tank is pressurized to 12 psig and the pressure gauge at the bottom of the tank reads 56 psig, what head (in meters) of a liquid with a R.D. of 0.75 is contained in the tank
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 audible alarm, fuse and an interlock?
Which of the terms below is measure in "watts"
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
From the information given in the diagram below, what is the voltage across each resistor?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "0.036" refer to?
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the displacement of the car?