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Instrumentation: FIRST PERIOD

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

Scaffolds use is daily occurrence at most job sites. Any scaffold that is constructed must be designed to handle _____ times the potential load placed on it. Use that answers below to correctly fill in the blank.
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."?
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 "ia" equipment can withstand?
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
The circumference of a circle is calculated with which correct equation?
To preform a "Span" adjustment the order of the step(s) is/are?
1 pound mass is equal to?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
The symbol for a voltage source is which of the below?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
The perimeter of a rectangle is calculated with which correct equation?
(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?
A battery has a rating of 80Ah, this means it can supply
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
Calculate the relative density for a fluid that has a density of 748 kg/m³
"A whole number and a fraction combined into one number", is a description of which type of fraction?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
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?
If a closed tank is pressurized to 14 psig and the pressure gauge at the bottom of the tank reads 30 psig, what head (in meters) of a liquid with a R.D. of 0.87 is contained in the tank
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?
The equation to compute mechanical advantage is which one of the below?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
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?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
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?
When making an angularity adjustment, what is the first adjustment made?
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
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measurement that compares the amount of matter an object has to compared its volume.
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
Which term can be defined as the pressure measured from absolute zero?
Convert ⁸⁄₁₉ to a decimal.
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
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?
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?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
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"
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
A _________ has the air connection usually above the diaphragm
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
A "wheel and axle" is an example of which type of machine?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
(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 CEC generates a dust grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would metallic, hazardous dust belong to?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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."?
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?
Which type of valve is pictured below?
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?
In the SI system, the unit for time is?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be to used in squaring the drive arm and link as well as the range arm?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the creation of two equal ranges from standard range?
The industry committee network is made up of three bodies. Which of the bodies below acts as a link between the AIT Board and the LACs?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
Which of the following measurements cannot be performed by a sliding caliper?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
Of the valves below, which would be best for erosive service?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial absolute temperature scale?
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
1 psi is equal to _____ kPa
"pressure developed by a column of liquid" is the definition of which term
What is the term used to describe the total opposition to current flow in an AC circuit?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
7 coulombs of charge require how many electrons?
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
Convert 0.625 to a fraction.
(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?
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
A true force balance negative feedback system is a motion balance system?
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
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?
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure increase?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
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 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?
14.696 psia is equal to?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
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 terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the letter "C" in the picture below?