A randomized 100 question test from a pool of 1236 questions, good luck!
The area of a circle is calculated with which correct equation?
(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) There are several methods for measuring process variables. Which of the transmitters below would use a moment balance negative feedback system in the creation of an output signal?
The symbol for resistance is which of the below?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "i" equipment can withstand?
An instrument technician sometimes has to do calibrations while the process is still running. Which of the terms below identifies a calibration done on a live process?
Solve the equation:(4)(5)+4
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?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
The perimeter of a Triangle is calculated with which correct equation?
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the "4 mm" refer to?
The result of a _______ actuator is installed with a ________ valve will be air-to-close
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁=P₂V₂"?
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?
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?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
"5 x 7=7 x 5" is an example of which mathematical law?
(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?
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
The prefix "Micro" can be expressed as?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
Using the Pythagorean Theorem solves for which mathematical term?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. what is the voltage drop over R2
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that conditions signals received or transmitted to a hazardous area
1 pound mass is equal to?
(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?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
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?
Solve for x: (3)(5)+9=x
Isolate for "v" in the following equation: d=vt
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
If heat is removed from a metal, does it contract?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
Determine x if 5:16=x:128.
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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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?
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?
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
There are two very common types of metric vernier calipers. Which of the answers below best represents the minimum accuracy of a metric Vernier caliper?
(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 an electrical communication system?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
(310105i) Any liquid has inherent properties associated with it. When measuring the force applied to the entire area of a liquid, which of the answers below are you trying to measure?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
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 many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
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 fluid level if the transmitter signal is 56 kPa
Electrical conduit is used to protect the cables running to the instruments. Which of the types of conduit below would be used in a corrosive atmosphere?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
From the information given in the diagram below, what is the voltage drop over R2, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
(310104a) There are numerous components to a valve. Which of the components below would best be referred to as a gland that seals the dynamic portion of the valve against leakage?
(310104b) Valve disassembling is a fundamental part of the Instrumentation trade. Which of the hazards below would be of primary importance to eliminate when disassembling a sliding stem actuator?
From the information given in the diagram below, what is the current flowing on branch R2?
"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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
The 3 key elements of the WHIMIS system are, worker education, material safety data sheets and ________. Choose from the answers below to fill in the blank.
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for the alignment for the path of travel of the valve plug?
There are electrical properties that are inherent to coils. Which of the answers below correctly identifies the properties that a coil possesses?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 45 lbf?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
Solve for the hypotenuse.
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
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?
Which of these pressure to force converters has two diaphragms soldered together?
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."?
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
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.