A randomized 100 question test from a pool of 1236 questions, good luck!
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
The symbol for a amperes is which of the below?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
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."?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the pressure of a given mass of gas varies directly with the absolute temperature of the gas, when the volume is kept constant."?
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
There are a number of common parts to any valve. Which of the terms below would best be described as the object supplying the opening or closing motion of the valve?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
The prefix "Centi" can be expressed as?
Which valve is used for corrosive slurries?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
In what kind of circuit would all of the applied voltage appear across an open circuit?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
The prefix "Kilo" can be expressed as?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area with easily ignitable fibers or flyings, but the concentration of these fibers or flyings are not in quantities that would produce ignitable mixtures?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms 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 maintenance of instruments in hazardous locations of instruments?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
(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
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure audible alarm only?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
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?
From the information given in the diagram below, what is the current flowing on branch R1?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
What is usually referred to when loading an ammeter?
Calculate the gain when a change from 1.55 psig to 2.15 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
Convert 0.625 to a fraction.
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
What percentage of 35 is 21?
Lifting a load with rigging is an involved and potentially dangerous task. When working with slings, which of the angles below is the commonly used safe lifting angle?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "4" in the picture below?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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:
The industry committee network is made up of three bodies. Which of the bodies below acts as a link between the AIT Board and the LACs?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
What is the formula that the pneumatic relays amplification or gain is expressed by?
Newton's second law is also known as?
A pneumatic level transmitter, with an output range of 20-80 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-17 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
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?
Choose the answer below that has the words in order to correctly fill in the blanks. "A per unit volume of free electrons that is _______, offers ______ resistance to current"
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
The volume of a sphere is calculated with which correct equation?
In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
Interpretation and use of correct installation standards is vital to the success of an instrument technician. Which of the associations below have set out the standards that must be followed?
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 flame-proof enclosure?
(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?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
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?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 75 MPag??
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
In industry, electrostatic hazards are very important to understand. Which of the terms below can correctly be described as a charge created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other?
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
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."?
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for rigging in general?
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
"An element or device which receives information in the form of 4-20 mA and coverts it to information in the form of 3-15 psig." is the best description of which of the terms below?
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
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.
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
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?
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 terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "when the magnetic flux alternates from the internal molecular structure reversals, the result is the heating of the core and wasted energy."
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
Which of the following measurements cannot be performed by a sliding caliper?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
The best description for "Span error" in relation to calibrating instruments is which of the following?
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
"Hydrostatic" pressure is sometimes referred to as
When an atom loses an electron, it is commonly referred to as which of the below?
The equation to calculate density is?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the temperature at which a particular organic compound gives off sufficient vapor to ignite in air?
The area of a circle is calculated with which correct equation?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
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?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
The main function of a valve positioner is which of the below?
Solve for the hypotenuse.
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?
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?
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?