A randomized 100 question test from a pool of 1236 questions, good luck!
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
(310105i) In a common stress diagram, there are several points that are noted. Which of the points below would best be described as a change in shape of a material at low stress that is recoverable after the stress is removed?
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 "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
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?
What type of fire extinguisher can have a large tapered nozzle?
Calculate the normal force exerted by an object that has a mass of 6732 grams
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
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?
Gauge pressure is?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
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) Instrument enclosures are all built to a NEMA standard. Which of the standards below would generally not be used to protect current electronic instrumentation?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of 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."?
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
746 Watts is equal to which of the terms below?
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
"A hazard within the workplace that can harm the body without necessarily touching it. Vibration and noise are examples of this type of hazards." This statement best describes which of the following hazard groups?
Which type of pilot valve has one supply connection and two output connections?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "4" in the picture below?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the voltage when the capacitor gets to 5τ?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
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?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
(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?
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where actuator energy is carried to an FCE?
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?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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?
Which pressure to force converter is typically used in dial indicating pressure gauges?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction inside the magnet?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
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?
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 increase in resistive load?
(310104b) Valve disassembling is a fundamental part of the Instrumentation trade. Which of the hazards below would be of primary importance to eliminate when disassembling a sliding stem actuator?
Materials with four electrons in their valence shell are considered what?
Labels are an important piece of the WHIMS structure. Which of the labels below would be used when damage occurs to the original supplier label?
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?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
"The law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
(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??
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.
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
From the information given in the diagram below, what is the total current if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the average velocity of the car?
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?
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?
What are all the variables that can be measured when dealing with gases?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The desiccant head adsorbes water vapour due to which?
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
In relation to hacksaws, "pitch" is referred to as?
"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?
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?
Which of the laws below can be best described by the following statement, "The strength or intensity of an unvarying electric current is directly proportional to the electromotive force and inversely proportional to the resistance of the circuit"?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
Convert 88 PSI to kPa
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 "A electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
5 coulomb of charge require how many electrons?
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 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 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?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
When selecting a hammer to use, what would "weight of head" help determine?
What is the term used to describe the total opposition to current flow in an AC circuit?
"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?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
There are several grades of iron and steel. Which of the answers below best represents a material that is extremely brittle because of it's high carbon content?
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
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.
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is Amperes of the circuit?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
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?
Bourdon measuring elements have tubes that are classified into three broad categories. which of the tube types below would be the most sensitive to pressure changes?
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on it??