A randomized 100 question test from a pool of 1236 questions, good luck!
1 pound force is equal to
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 3.5 cm and the effective area of the diaphragm is 0.05 m^2
The result of a _______ actuator is installed with a ________ valve will be air-to-close
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?
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.
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
(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??
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
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 increase?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
(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?
The prefix "Kilo" can be expressed as?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
The prefix "Mega" can be expressed as?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "⅜" refer to?
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."?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
In the fraction A/B, is A the numerator?
OH&S recognizes that there are a number of hazards on any jobsite. Which of the answers below best represents the number of broad categories that it has grouped those hazards into?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standard set for workers?
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?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
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?
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, isolating all sources of energy to the work area would be which of the steps below?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
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
(310104d) A control valve is one of many FCEs that are used in industry. Which of the answers below reflects the relationship between a control valve and the process variable?
Angle motion negative feedback system consists of:
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?
The basic unit of matter is called?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
The MSDS for each controlled product must be:
If heat is added to a metal, does it expand?
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?
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?
Of the valves below, which would be best for erosive service?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
Solve for the missing angle.
If a closed tank is pressurized to 105.345 kPa and the pressure gauge at the bottom of the tank reads 198.456 kPa, what head (in feet) of a liquid with a R.D. of 0.11 is contained in the tan
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
From the information given in the diagram below, what is the voltage drop over R2, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
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?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
If, for every 20 C of charge, 60 J of energy is available, what is the voltage?
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.02 m².
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?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
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?
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
Convert ⅘ to a decimal.
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
Of the adjustments below, which is the most common adjustment made?
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
There are numerous types and styles of valves in industry. Which of the additions to a scotch yoke valve allows for proportional positioning?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
Solve for the missing side.
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?
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 1000 hours a year?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
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?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the amount of work done in 15 mins by a 45 hp motor?
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?
(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?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for determining the equivalency of training done outside Alberta?
(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"?
What is the name of the part of a drill bit that gets fitted into the drill spindle?
What are the three areas of WHMIS?
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 conditions signals received or transmitted to a hazardous area
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would convey the movement of the drive arm to the range arm?
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?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
Materials with five or more electrons in their valence shell are considered what?