A randomized 100 question test from a pool of 1236 questions, good luck!
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
If a closed tank is pressurized to 114.345 kPa and the pressure gauge at the bottom of the tank reads 165.456 kPa, what head (in feet) of a liquid with a R.D. of 0.83 is contained in the tan
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
Although there are numerous type of batteries, they all share a common construction. Which of the answers below contains all the required parts of a battery?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
If a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to a flame-proof enclosure?
There are numerous types and styles of valves in industry. Which of the additions to a scotch yoke valve allows for proportional positioning?
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?
8 coulomb of charge requires how many electrons?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
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 largest diameter of the thread?
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?
Calculate the normal force exerted by an object that has a mass of 6732 grams
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly fill the blank in the statement, "The generation of an electrostatic charge is ________ in conditions that are humid?"
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
Which pressure to force converter is typically used in dial indicating pressure gauges?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
If heat is removed from a metal, does it contract?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
(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 "C"?
(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 an electrical communication system?
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?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
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?
Solve the equation:(4)(5)+4
Which of the welding processes below would welding goggles be worn?
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?
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
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
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?
When taping a blind that does not go through the metal, the proper steps to tap it are:
Convert 0.125 to a fraction.
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
(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?
What are the three areas of WHMIS?
1 psi is equal to _____ kPa
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as Zone 2?
Of the answers below, which one is a disadvantage of a Pinch valve?
From the information given in the diagram below, what is the voltage across each resistor?
A true force balance negative feedback system is a force balance system?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the degree to which the result of a measurement that conforms to the required standard.
Which type of pilot valve has one supply connection and two output connections?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "The amount of opportunities for the atoms of the conductor to affect current flow per linear unit"
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
The volume of a sphere is calculated with which correct equation?
"A triangle where one of its interior angles is 90 degrees." is a description of which mathematical term?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
(310102m) A capacitor's voltage decreases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full discharge in a typical capacitor?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate across an orifice plate?
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
5 coulomb of charge require how many electrons?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
The supplier label:
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
"Two external forces acting on an object or surface that are not in opposition of each other;" is a description of what type of stress?
There are several different ways to apply force to an actuator. Which one of the methods below would a pneumatic source of air not be required for operation?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
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 roof of the container. Of the following answers, which gas would he be testing for?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
Gauge pressure is calculated by?
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer below?
"A method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture 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 grounding of less that 50V circuits?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
"An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force." is a description of which one of Newton's laws?
The perimeter of a rectangle is calculated with which correct equation?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
What are the 2 major parts of a control valve?