A randomized 100 question test from a pool of 1236 questions, good luck!
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
Calculate the relative density for a fluid that has a density of 748 kg/m³
(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?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Due to a lengthy transmission distance a control valve is responding slowly. The device that would improve the response speed of the valve would be?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
Factors affecting induced voltage include:
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
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?
In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
(310102m) A capacitor's voltage decreases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full discharge in a typical capacitor?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
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 rigging in general?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
The radius of a circle is calculated with which correct equation?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
There are several different types of carbon steel in any piping system. Which of the types below would have a 0.3-0.6% carbon content?
"The law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
(310102g) Energy is lost due to undesirable resistance in any circuit. Which of the terms below refers to the power that is lost in a conductor during the transmission phase?
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 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
What is the purpose of the PTC switch in a lithium battery?
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?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe a thread with a 16 TPI?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
"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?
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?
If heat is added to a metal, does it expand?
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
65% of 765 is equal to?
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
When selecting a hammer to use, what would "weight of head" help determine?
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
State this fraction as a mixed fraction: ⁵⁵⁄₈.
"A two ratios that are equal in an equation." is a description of which mathematical term?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
This valve is primarily used in slurry service and is not over 8 inch in general
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
"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?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
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 final velocity of the car?
What type of fire extinguisher can have a large tapered nozzle?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
There are several different ways to apply force to an actuator. Which one of the methods below would a pneumatic source of air not be required for operation?
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
Solve the equation:(4)(5)+4
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
Magnets have been classified into two distinct groups. Which of the answers below is best described as an electromagnet which only retains magnetism when an electrical current is running through it?
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?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
The volume of a cylinder is calculated with which correct equation?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
To alter the pressure setting of a regulator, you would adjust what?
In the fraction A/B. is B the numerator?
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) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
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?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where actuator energy is carried to an FCE?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for less than 10 hours a year?
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?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
Synthetic slings can be selected for a task specific application. Which of the sling property below would allow a nylon sling to be used in an explosive atmosphere?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
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
Oxygen is a vital component of the combustion process. Which of the answers below best describes the effects of combustion if an amount of gas and oxygen are equal in volume?
"Which of the electrical terms below can be best described as "consisting of one or more electrochemical cells, which transform stored chemical energy directly into electrical energy."
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
