A randomized 100 question test from a pool of 1236 questions, good luck!
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
Gauge pressure is?
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
The volume of a sphere is calculated with which correct equation?
There are many studies on how pressure and force affect fluids. "Horizontal runs do not increase pressure." is one of the principles of which answer below?
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?
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?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
From the information given in the diagram below, what is the current flowing on branch R2?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
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?
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an decrease in resistive load?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
In the SI system, the unit used for mass is?
The ratio 3.4:2.5 equal to?
(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?
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
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?
A moment balance negative feedback system is a motion balance system?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
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?
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
With a reverse acting actuator, as the pressure increases:
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "5"?
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?
How many electrons does 134.5 x 10¹⁹ represent?
Calculate the gain when a change from 0.85 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 18 psig in the relay output occurs.
(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?
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?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
The volume of a cylinder 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 "1" 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 4 cm diameter filled with gas?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
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 short circuit current?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that blocks any excess voltage from gaining access to a hazardous area?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would move as the direct result of the rotation of the torque shaft?
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
(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?
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial absolute temperature scale?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for employers?
Which of the following is not affected by a positioner?
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
(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?
"_________ 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.
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?
There are several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
(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 instruments in a hazardous location?
If a pressure change of 20 kPa to 90 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 5.5 cm and the effective area of the diaphragm is 0.065 m^2
A tank contains a liquid that has a R.D. = 1.15. The depth of the liquid is 6.7 meters. What is the pressure in kPa at the base of the tank?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
Interpretation and use of correct installation standards is vital to the success of an instrument technician. Which of the associations below have set out the standards that must be followed?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
(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?
(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?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
A battery has a rating of 80Ah, this means it can supply
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the description of which mathematical term?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
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?
There are numerous steps to drilling with a power drill. Which answer below correctly identifies the size of the center punch mark in a piece to be drilled?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
(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 conductor type and use?
Calculate the relative density for a fluid that has a density of 748 kg/m³
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?