Advance your career with help from our practice exams

Instrumentation: FIRST PERIOD

A randomized 100 question test from a pool of 1236 questions, good luck!

Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that allows the additional measurement of differential and static pressures?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
Calculate the relative density for a fluid that has a density of 748 kg/m³
What is the basic unit of matter?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given area?
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?
What are the three main elements of a regulator?
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?
(310105d) Heat is produced when friction occurs during motion. Which of the terms below correctly identifies the type of friction that produces of this heat?
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 terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
A moment balance negative feedback system is a force balance system?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
What is the term used to describe the total opposition to current flow in an AC circuit?
Moment balance Negative feedback system consists of:
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
The trigonometric ratio of sine is calculated with which mathematical equation?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between metal conduit and cable tray?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
Which valve is used for corrosive slurries?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
The area of a circle is calculated with which correct equation?
(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"?
From the information given in the diagram below, what is the voltage drop over R4, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
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?
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 several terms which relate to charging of a capacitor. Which of the terms below would apply to the period while the capacitor gets to 5τ?
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
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be referred to as a "Van Stone" flange connection?
Which type of pilot valve has one supply connection and two output connections?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen position adjustment/verification be?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
This valve is primarily used in slurry service and is not over 8 inch in general
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?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve coating the iron tip with a small amount of solder?
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
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?
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?
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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "4" in the picture below?
In the fraction A/B, is A the numerator?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve having the solder flow toward the heat over the joint?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
60% of 54 is what?
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
The volume of a rectangle is calculated with which correct equation?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
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 many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
The equation to calculate density is?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
From the information given in the diagram below, what is the current flowing on branch R1?
(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 require constant replacement?
What is the formula that the pneumatic relays amplification or gain is expressed by?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
Convert 16.5 psi into kPa
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
1 kPa is equal to _____ psi
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?
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.
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between cable tray and metal conduit?
The circumference of a circle is calculated with which correct equation?
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
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?
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?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
Gauge pressure is?
There are several different ways to apply force to an actuator. Which one of the methods below would a pneumatic source of air not be required for operation?
"Which of the electrical terms below can be best described as "consisting of one or more electrochemical cells, which transform stored chemical energy directly into electrical energy."
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
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?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of expending the accumulated energy in a capacitor?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
If a pressure change of 20 kPa to 60 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 0.09 m^2
(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 "R"?
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the short circuit current?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
Materials with four electrons in their valence shell are considered what?
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?
Convert 4 ⅞ to an improper fraction.
Isolate the following equation for "v": d=vt
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
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
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
Convert ⁸⁄₁₉ to a decimal.
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?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
Solve for x: (3)(5)+9=x
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?