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Instrumentation: FIRST PERIOD

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

(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 resistor with a smaller one in a simple circuit?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
There are many different types and styles of tubing in industry, but they can all be grouped into categories. Which of the answers below best represents all of the categories of tubing?
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
When an atom loses an electron, it is commonly referred to as which of the below?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"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?
Covert 3 ⅘ to an improper fraction
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
(310104a)There are numerous components to a valve. Which of the components below would best be referred to as a seal for the static portion of the valve against leakage?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
The area of a circle is calculated with which correct equation?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
(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 workers?
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
With a reverse acting actuator, as the pressure increases:
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
Express ³²⁄₄₄ as a percent.
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?
(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??
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
A tank contains a liquid that has a R.D. = 1.15. The depth of the liquid is 6.7 meters. What is the pressure in kPa at the base of the tank?
An I/P transducer is a positioner.
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run cable to location?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
What are the two types of magnet?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction inside the magnet?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
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 minimum of 1.3 volts it can develop or contain?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
If field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
How many electrons does 134.5 x 10¹⁹ represent?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
(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 tube to tube?
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
If a pressure change of 20 kPa to 90 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 5.5 cm and the effective area of the diaphragm is 0.065 m^2
From the information given in the diagram below, what is the current flowing on branch R2?
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 0-9 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that has contacts the process?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
ESD is a major issue for the failure of electrical components. Which of the answers below would best represent the minimum discharge voltage that could damage electrical equipment?
In relation to hacksaws, "pitch" is referred to as?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be adjusted for any slight angularity issues?
There are several different ways to apply force to an actuator. Which one of the methods below would have the highest pressure transmission rate during operation?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
(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??
Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
The symbol for resistance is which of the below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
Covert 34.5 kPa to psi.
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
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 smallest diameter of the thread?
"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?
What power of soldering station is used for electronic soldering?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
What is the formula to calculate Hydrostatic peressure
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
Of the terms below, what is "Work" measured in?
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?
Linear motion negative feedback system consists of:
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
(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?
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
(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 installation of instruments in a hazardous location?
When making a span adjustment, what is the first adjustment made?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a nickle-chromium resistance wire?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
State this fraction as a mixed fraction: ⁵⁵⁄₈.
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
In a baffle-nozzle-restrictor motion detector the:
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?
If a closed tank is pressurized to 134.345 kPa and the pressure gauge at the bottom of the tank reads 169.456 kPa, what head (in feet) of a liquid with a R.D. of 0.24 is contained in the tan
"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?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
If angle "Y" is equal to 28 degrees, solve for angle "X"