A randomized 100 question test from a pool of 1236 questions, good luck!
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
Convert 0.625 to a fraction.
A capacitor discharges it's voltage at a specific rate. How many tau are required for a capacitor to expend 99% of it's original voltage?
(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?
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?
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?
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?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
"The production of an electromotive force in one circuit by a change in current in a separate circuit." is the best description of which of the terms below?
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms 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 "ia" equipment can withstand?
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 a Class I, Zone 2?
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?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
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?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
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?
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?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
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?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
"A characteristic where flow capacity increases linearly with valve travel. Flow is directly proportional to valve travel." is the best description of which of the terms below?
"Any point on a circuit where two or more current flows meet or are split." is the best description of which of the terms below?
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 10, but less than 1000 hours a year?
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
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?
What is the SI unit of force?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
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.
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?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
Convert 18.5 psi into inches W.C.
The industry committee network is made up of three bodies. Which of the bodies below acts as a link between the AIT Board and the LACs?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
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?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would be connected to a flange that was one-holed?
(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, prior to any work, the administrative procedures to be in place?
The CEC generates a air grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Propane belong to?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
Convert 4 ⅞ to an improper fraction.
101.325 kPa is equal to?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
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?
A moment balance negative feedback system is a motion balance system?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
What is the density of water?
Scaffolds use is daily occurrence at most job sites. Any scaffold that is constructed must be designed to handle _____ times the potential load placed on it. Use that answers below to correctly fill in the blank.
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
(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?
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 different types of layout tools used in industry. Which of the tools below best represents the following picture?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run insulated impulse lines to location?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
The trigonometric ratio of cosine is calculated with which mathematical equation?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
This valve is primarily used in slurry service and is not over 8 inch in general
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
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?
Solve for x: (3)(5)+9=x
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?
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
The ratio 3.4:2.5 equal to?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
Moment balance Negative feedback system consists of:
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the floor of the container. Of the following answers, which gas would he be testing for?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
The desiccant head adsorbes water vapour due to which?
The result of a _______ actuator is installed with a ________ valve will be air-to-close
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 flame-proof enclosure?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
(310104a) There are numerous components to a valve. Which of the components below would best be referred to as a gland that seals the dynamic portion of the valve against leakage?
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?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?