A randomized 100 question test from a pool of 1236 questions, good luck!
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?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
Calculating absolute pressure is achieved by?
(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?
1 pound mass is equal to?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen pressure adjustment/verification be?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
"pressure developed by a column of liquid" is the definition of which term
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends offset and one pipe connector?
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
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 explosion-proof enclosure?
(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 1 power circuits that are extremely low voltage?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
What is usually referred to when loading an ammeter?
The CEC generates a dust grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would metallic, hazardous dust belong to?
Express 60% as a reduced fraction.
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe has the diameter doubled, which of the answers below would be the result?
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?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
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.
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
The standard unit of resistance is which of the below?
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 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?
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?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
What is the formula to calculate Hydrostatic peressure
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
State this fraction as a mixed fraction: ⁵⁵⁄₈.
In a series circuit what percentage of the applied voltage would appear across an open circuit?
Convert the following quantities to the units asked for: 4572 cm to yards.
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.
If a tool increases from $43 to $76, what is the percentage increase?
From the information given in the diagram below, what is the voltage drop over R4, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
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?
In the SI system, the unit used for mass is?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
"The ______ is divided between two series resistors in direct proportion to their resistance." The term that best fits to complete the sentence is which of the terms below?
(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 installation of cathodic protection?
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.
Which valve is used for corrosive slurries?
When used to cut mild steel. what is the recommended angle for a cold chisel?
Materials with four electrons in their valence shell are considered what?
There are many electrical terms that have symbols to describe them in equations. Which of the terms below is best referred to as "Ꜫᵣ" in an equation?
The radius of a circle is calculated with which correct equation?
The trigonometric ratio of tangent is calculated with which mathematical equation?
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve ensuring contamination free parts and soldering tip?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
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?
Which of the following measurements cannot be performed by a sliding caliper?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
Convert ¹⁸⁄₅ to a decimal.
(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?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier at the open end of a process pipe?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
(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 1 circuits that are controlled remotely?
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?
Of the valves below, which would be best for erosive service?
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
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?
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 many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
What percentage of 35 is 21?
The volume of a cylinder is calculated with which correct equation?
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
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"
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
The symbol for a amperes is which of the below?
"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?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture 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?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
Convert 45.9 kPa into psi
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
When selecting a hammer to use, what would "weight of head" help determine?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the detailing of employer obligations that must be fulfilled?
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.
The equation to compute mechanical advantage is which one of the below?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
7 coulombs of charge require how many electrons?
The circumference of a circle is calculated with which correct equation?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?