A randomized 100 question test from a pool of 1236 questions, good luck!
"An electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance." is the best description of which of the terms below?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
(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 it with a larger one in a simple circuit?
There are some terms that are associated with capacitors. Which of the terms below is defined as the permittivity of a given material relative to that of the permittivity of a vacuum.
The equation to calculate density is?
(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 transformer circuits for instruments?
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
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?
To perform a "Zero" adjustment the order of step(s) is/are?
(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?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as the number of magnetic lines of flux that pass through a certain point on a surface?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for receiving an output signal and converting that into a PV value?
Which of the terms below is measure in "watts"
What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet
(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 tubing to piping?
The prefix "Micro" can be expressed as?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
Factors affecting induced voltage include:
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period while the capacitor gets to 5τ?
(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?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
1 kPa is equal to _____ psi
Under the Workers compensation act, are apprentices and learners entitled to compensation?
"An element or device which receives information in the form of 4-20 mA and coverts it to information in the form of 3-15 psig." is the best description of which of the terms below?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
(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 maintenance of instruments in hazardous locations of instruments?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
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?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
(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?
Convert 45.9 kPa into psi
The result of a _______ actuator is installed with a ________ valve will be air-to-open
14.696 psia is equal to?
(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 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?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
(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?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
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?
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
There are a number of common parts to any valve. Which of the terms below would best be described as the object supplying the opening or closing motion of the valve?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. what is the voltage drop over R2
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Ethylene belong to?
What is the SI unit of force?
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?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of refining the grain of the steel to allow for greater resistance to corrosion and temperature extremes?
When selecting a hammer to use, what would "weight of head" help determine?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, ensuring each source of energy to the work area has it's own isolation, would be which of the steps below?
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?
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
"The results of a devices inelastic quality" is a definition of which term?
The symbol for a voltage drop is which of the below?
(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?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the "4 mm" refer to?
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
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?
In the fraction A/B, is A the numerator?
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.
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of removing oxides and sulfides as well as refining the grain of the steel?
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.
A true force balance negative feedback system is a motion balance system?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
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
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 45 lbf?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
(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 larger OD tube to a smaller OD tube?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
What is the density of water?
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
"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?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for converting a measured PV into an output signal?
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?
(310105d) The output of an applied force uses is a measurable quantity. Which of the terms below would be use "W" as it's unit of measurement?
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
What type of cell is a lithium constructed battery?