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Instrumentation: FIRST PERIOD

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

(310105i) In a common stress diagram, there are several points that are noted. Which of the points below would best be described as a change in shape of a material at low stress that is recoverable after the stress is removed?
If a closed tank is pressurized to 12 psig and the pressure gauge at the bottom of the tank reads 56 psig, what head (in meters) of a liquid with a R.D. of 0.75 is contained in the tank
Gauge pressure is?
The trigonometric ratio of sine is calculated with which mathematical equation?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
The outermost shell of an atom is called the valence shell.
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
(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?
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
In the fraction A/b, is A the denominator?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
(310101c) When ordering a GP copper tubing size, it has to be precise. Which of the measurements below would be used for ordering copper tube?
What are the 2 major parts of a control valve?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
(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?
If heat is added to a metal, does it expand?
What is the main purpose of valve positioners?
If a pressure change of 20 kPa to 100 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 0.02 m².
When making an angularity adjustment, what is the first adjustment made?
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?
What type of cell is a lithium constructed battery?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
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?
OH&S recognizes that there are a number of hazards on any jobsite. Which of the answers below best represents the number of broad categories that it has grouped those hazards into?
(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?
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line resistance to an open circuit?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
From the information given in the diagram below, what is the current flowing on branch R3?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R3?
Convert 0.625 to a fraction.
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
There are several different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
Convert 0.875 to a fraction.
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
(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?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
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 elevators used by the public?
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
When taping a blind that does not go through the metal, the proper steps to tap it are:
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?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "that at the same temperature and pressure, equal volumes of all gases contain the same number of molecules."?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the voltage when the capacitor gets to 5τ?
State ⁶⁵⁄₁₄ as a mixed fraction.
The volume of a sphere is calculated with which correct equation?
(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?
State 3 ⅞ as a mixed fraction.
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 "ib" equipment can withstand?
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?
A true force balance negative feedback system is a motion balance system?
The trigonometric ratio of tangent is calculated with which mathematical equation?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
If it were necessary to operate an 50-300 kPa valve actuator, but you had a 20-80 kPa control signal, the relay used would be?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
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 distance from the crest of one thread to another crest measured along the length of the thread?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
Which type of pilot valve has one supply connection and two output connections?
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
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?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below would best be described as,"the measure of the intensity of the force imposed on this object by the local gravitational field"?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
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 voltage delivered to the field device?
The prefix "giga" can be expressed as?
(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?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
34.450 in engineering notion is what?
When an atom loses an electron, it is commonly referred to as which of the below?
There are several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power delivered by the battery?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
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?
Materials with five or more electrons in their valence shell are considered what?
What is the density of water?