A randomized 100 question test from a pool of 1236 questions, good luck!
If a closed tank is pressurized to 103.345 kPa and the pressure gauge at the bottom of the tank reads 145.456 kPa, what head (in feet) of a liquid with a R.D. of 0.37 is contained in the tank?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
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?
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing hardness, but a reduction in ductility?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
A "wheel and axle" is an example of which type of machine?
In the SI system, what is the fundamental hydrostatic pressure equation
"Hydrostatic" pressure is sometimes referred to as
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?
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.
State 3 ⅞ as a mixed fraction.
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
(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 leak-proof at any temperature or pressure
(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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure decrease?
There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
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?
The height of a free standing or rolling scaffold is restricted to no more than 3 times the smallest base dimension. This guideline comes from which of the acts below?
(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?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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 several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the distance from the crest of one thread to another crest measured along the length of the thread?
What are all the variables that can be measured when dealing with gases?
There are many terms for specific electrical components. Which of the components below is best described as a passive electronic component that stores energy in the form of an electrostatic field?
"A two ratios that are equal in an equation." 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?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
If heat is added to a metal, does it expand?
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?
If a closed tank is pressurized to 18 psig and the pressure gauge at the bottom of the tank reads 39 psig, what head (in meters) of a liquid with a R.D. of 0.76 is contained in the tank
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
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.
(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"?
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?
Heat is based on the movement of molecules. Which of the answers below correctly fills the blank in the following sentence, "Temperature is the measurement of the average _________ of the movement of molecules."
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the enclosures inlet airflow rate be measured for purging times?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
There is a safe ratio for the use of extension ladders. If there is a ladder extending 18 ft vertically, how far from the wall should the base of the ladder be?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
True force balance negative feedback system consists of:
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(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?
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
(310104b)There are many different valves to be used for different processes. Which of the valves below would best be used in a high pressure process?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
A moment balance negative feedback system is a force balance system?
"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?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to permit the apprentice to register and attend technical training?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
If tool crib attendant has 8 boxes of fittings, and one person takes 1 3/4 boxes, and another person takes 3 4/5 boxes, and another person brings back 2 1/4 boxes, how many boxes remain?
The trigonometric ratio of tangent is calculated with which mathematical equation?
A pneumatic level transmitter, with an output range of 20-100 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-12 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for less than 10 hours a year?
A pneumatic level transmitter, with an output range of 20-100 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-14 meters. What is the fluid level if the transmitter signal is 35 kPa
There are several terms that are used to describe the features of a particular thread type. Which of the answers below would best describe the "³⁄₁₆" in the bolt designation ³⁄₁₆-12 UNF x 6?
(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 2 power circuits that are considered low energy?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
What type of fire extinguisher can have a large tapered nozzle?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
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?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
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?
(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?
Ohm's law states that:
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type L tube type typically have?
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?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
Covert 3 ⅘ to an improper fraction
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
From the information given in the diagram below, what is the voltage drop over R3, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
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.
"An angle of 90°" is a description of which mathematical term?
When selecting a hammer to use, what would "weight of head" help determine?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?