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Instrumentation: FIRST PERIOD

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

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."?
Newton's second law is also known as?
In the fraction A/B, is A the numerator?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would positively pressurized equipment be primary used?
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most able to discharge loads at high rates for an extended period of time?
To preform a "Span" adjustment the order of the step(s) is/are?
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 0-14 meters. What is the fluid level if the transmitter signal is 35 kPa
(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 tubing to piping?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
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?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would a thread-o-let welded to the process line be considered?
What power of soldering station is used for electronic soldering?
The symbol for a voltage source is which of the below?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of traps dissolved oxygen and enhancing casting characteristics?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
Of the terms below, what is "Work" measured in?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
"Is not designed for continuous occupancy, and has limited or restricted means for entry or exit." This statement best describes which of the following terms?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
1 pound mass is equal to?
There are may different trades and occupations within Alberta. Which of the answers below correctly identifies the number of Alberta designations?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as Zone 2?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
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?
(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 1 circuits that are controlled remotely?
"The production of an electromotive force in one circuit by a change in current in a separate circuit." is the best description of which of the terms below?
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?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of refining the grain of the steel to allow for greater resistance to corrosion and temperature extremes?
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
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?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
One coulomb is equal to how many electrons?
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 "⅜" refer to?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
What are the three main elements of a regulator?
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
The equation to compute mechanical advantage is which one of the below?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
If a closed tank is pressurized to 10 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 0.78 is contained in the tank
There are several parts to a drill bit. Which of the terms below best represents the part of a drill bit that is used to cut into materials?
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
Which type of pilot valve has one supply connection and two output connections?
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.
State ⁶⁵⁄₁₄ as a mixed fraction.
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
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?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
The ratio 3.4:2.5 equal to?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
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 "A electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 145 kPag?
To alter the pressure setting of a regulator, you would adjust what?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
State the number 479.3 using engineering notation and round the answers to three significant digits.
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
"The results of a devices inelastic quality" is a definition of which term?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
There are many terms for specific electrical components. Which of the components below is best described as a passive electrical component with the primary function to limit the flow of electric current?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
There are several different types of scribers used in industry. Which of the scribers below best represents the following picture?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
When making a span adjustment, what is the first adjustment made?
Isolate for "v" in the following equation: d=vt
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
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?
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?
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
(310102m) A capacitor's voltage decreases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full discharge in a typical capacitor?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would capillary or impulse line to the instrument be used?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
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 rigging in general?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
(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 result of a _______ actuator is installed with a ________ valve will be normally closed, fail open