A randomized 100 question test from a pool of 1236 questions, good luck!
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
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?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a moment balance negative feedback system in the creation of an output signal?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as a refinement in a measurement?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
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?
When selecting a hammer to use, what would "weight of head" help determine?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
The Si unit for measuring force is the Newton. Which of the answers below is equal to an object that has a mass of 65830 g?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
OH&S recognizes that there are a number of hazards on any jobsite. Which of the answers below best represents the number of broad categories that it has grouped those hazards into?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
(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 resistor with a larger one in a simple circuit?
(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?
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?
"A whole number and a fraction combined into one number", is a description of which type of fraction?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "when the magnetic flux alternates from the internal molecular structure reversals, the result is the heating of the core and wasted energy."
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
Maintaining all of the required PPE within the manufactures guidelines and in good working order is the responsibility of the________." Choose from the following answers to fill the blank.
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
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?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
The symbol for a voltage source is which of the below?
(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 tubing around a tight corner?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the minimum or maximum concentration levels of a flammable or combustible material for ignition?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
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?
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
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?
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 R1?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
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 letter "C" in the picture below?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
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 resistance to an open circuit?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "6"?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
Solve for x: (3)(5)+9=x
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
Solve for the missing side.
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
The area of a circle is calculated with which correct equation?
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?
In the SI system, the unit used for mass is?
To preform a "Span" adjustment the order of the step(s) is/are?
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?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
The trigonometric ratio of sine is calculated with which mathematical equation?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type DWV tube type typically have?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be to used in squaring the drive arm and link as well as the range arm?
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 3.5 cm and the effective area of the diaphragm is 0.05 m^2
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
Which type of valve is pictured below?
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
What is usually referred to when loading an ammeter?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a minimum of 1.3 volts it can develop or contain?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that allows the additional measurement of differential and static pressures?
There are many terms associated with "Energy". Which term below is correctly described as, "done on an object when an applied energy moves it through a distance"?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
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?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
"pressure developed by a column of liquid" is the definition of which term
What is the name of the tool used to cut internal threads after drilling a hole?
What is the main purpose of valve positioners?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type ACR tube type typically have?
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?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
"The results of a devices inelastic quality" is a definition of which term?
(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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
There are several parts to a drill bit. Which of the terms below best represents the part of a drill bit that is used to cut into materials?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
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
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "R"?
The volume of a cylinder is calculated with which correct equation?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
The best description for "Span error" in relation to calibrating instruments is which of the following?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
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