A randomized 100 question test from a pool of 1236 questions, good luck!
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
If it were necessary to operate an 50-300 kPa valve actuator, but you had a 20-80 kPa control signal, the relay used would be?
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 "SS" refer to?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
Chart recorders have some specialized applications in industry. Which of those applications would best make use of the multiple temperature inputs available?
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 R3?
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
If a closed tank is pressurized to 12 psig and the pressure gauge at the bottom of the tank reads 56 psig, what head (in meters) of a liquid with a R.D. of 0.75 is contained in the tank
A piece of metal with a length 13 1/4" is cut into 2 pieces. If one piece is 5 3/4' long, determine the length of the other piece.
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 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
(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?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
Gauge pressure is?
Express 60% as a reduced fraction.
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." is the best description of which of the terms below?
Materials with five or more electrons in their valence shell are considered what?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
1 pound force is equal to
When an atom loses an electron, it is commonly referred to as which of the below?
With a direct acting actuator, as air pressure increases:
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
65% of 765 is equal to?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for converting a measured PV into an output signal?
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?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
The trigonometric ratio of tangent is calculated with which mathematical equation?
The standard unit of conductance is which of the below?
What are the three main elements of a regulator?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
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 3-15 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 1 to non-hazardous?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
1 mechanical, or imperial, horsepower is equal to which of the below?
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?
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
The point when increasing current will not increases magnetism in an electromagnet is call?
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
There are several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
There are two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
"The results of a devices inelastic quality" is a definition of which term?
Solve for the hypotenuse.
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
"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?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below would best be described as,"the measure of the intensity of the force imposed on this object by the local gravitational field"?
Of the answers below, which one is a disadvantage of a Pinch valve?
The prefix "Micro" can be expressed as?
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?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
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?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
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 SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be to used in squaring the drive arm and link as well as the range arm?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
From the information given in the diagram below, what is the voltage across each resistor?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when tubing around a tight corner?
(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?
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?
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?
What is the SI unit of pressure?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Linear motion negative feedback system consists of:
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?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when connecting 3 tubes together?
Before allowing power to a device, it may be required to neutralize it's environment. Which of the methods below would best be described as a consistent positive pressure within an enclosure?
There are some terms that are associated with capacitors. Which of the terms below is defined as the permittivity of a given material relative to that of the permittivity of a vacuum.
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, removing securing devices and any isolation points once work area is deemed safe, would be which of the steps below?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?