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!

Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a maximum of 1.2 volts it can develop or contain?
The symbol for a voltage source is which of the below?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
(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?
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
Which of these pressure to force converters has two diaphragms soldered together?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type DWV tube type typically have?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
convert 56.7 psi to kPa.
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the relationship between the volume and temperature in a fixed mass of gas."?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
(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 Class 2 circuits that are controlled remotely?
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?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
What is the formula that the pneumatic relays amplification or gain is expressed by?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
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 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with immediate and serious toxic effects?
(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 larger OD tube to a smaller OD tube?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type L tube type typically have?
"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?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
If a closed tank is pressurized to 135.345 kPa and the pressure gauge at the bottom of the tank reads 172.456 kPa, what head (in feet) of a liquid with a R.D. of 0.14 is contained in the tan
What are the two main systems of negative feedback?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
If a closed tank is pressurized to 30 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank?
Hysteresis can only be calculated.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
(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 conductor type and use?
There are two very common types of metric vernier calipers. If the caliper that you are using has 1mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
Materials with five or more electrons in their valence shell are considered what?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
When making a span adjustment, what is the first adjustment made?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced a it with a smaller one in a simple circuit?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
(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??
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
Materials with one to three electrons in their valence shell are considered what?
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
There are several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
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?
A true force balance negative feedback system is a force balance system?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
"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?
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?
(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?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
(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 transformer circuits for instruments?
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
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?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for receiving an output signal and converting that into a PV value?
Convert 0.500 to a fraction.
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
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?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?
The point when increasing current will not increases magnetism in an electromagnet is call?
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 "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
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.
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
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 largest diameter of the thread?
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
In the WHMIS system, "Acute poisons" 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
"Change (variance) In total amounts expressed as percentages." is the description of which term?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Matter that is compose of only one atom is called what?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type ACR tube type typically have?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
Convert 0.875 to a fraction.
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
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 visual indicator only?
Matter that is composed of more than one type of atom is called?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "6"?
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
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?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill AER requirements at royalty trigger points for natural gas?
101.325 kPa is equal to?