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Instrumentation: FIRST PERIOD

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

A true force balance negative feedback system is a force balance system?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve having the solder flow toward the heat over the joint?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
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
Linear motion negative feedback system consists of:
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate across an orifice plate?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the enclosures inlet airflow rate be measured for purging times?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
Of the valves below, which would be best for erosive service?
This pressure to force converter device is used in situations where space is limited?
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?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, isolating all sources of energy to the work area would be which of the steps below?
"An angle of 90°" is a description of which mathematical term?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
Newton's third law is also known as?
State the number 479.3 using engineering notation and round the answers to three significant digits.
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?
The result of a _______ actuator is installed with a ________ valve will be air-to-close
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
Although there are numerous type of batteries, they all share a common construction. Which of the answers below contains all the required parts of a battery?
(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?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
What is the main purpose of valve positioners?
(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?
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?
Angle motion negative feedback system consists of:
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would move as the direct result of the rotation of the torque shaft?
"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?
(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?
There are several types of soldering irons that are available in industry. Which type of iron below would rely on a voltage being produced when the tip touches the work to be done?
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 transmitter output signal if the fluid level is at 8.65 meters?
A pressure gauge at the bottom of a tank indicates a pressure of 7.9 psi. The relative density of the liquid is 0.87. What is the depth of the liquid in feet?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
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?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
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 current?
There are some options when deciding to lower the classification of a hazardous atmosphere within an enclosure. Which of the methods below would be the best method for the removal of a hazardous gas?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
14.696 psia is equal to?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
(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 grounding of less that 50V circuits?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
"A triangle where one of its interior angles is 90 degrees." is a description of which mathematical term?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
What is the name of the tool used to cut internal threads after drilling a hole?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
Of the adjustments below, which is the most common adjustment made?
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
Which term can be defined as the pressure measured from absolute zero?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
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
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?
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?
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 method that attempts to physically separate or isolate the electrical parts or hot surfaces from the explosive mixture."?
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would generally not be used to protect current electronic instrumentation?
There are numerous steps to drilling with a power drill. Which answer below correctly identifies the size of the center punch mark in a piece to be drilled?
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?
What pressure is exerted at the base of a tank that is 6.7 meters high, with a liquid that has a density of 1200 kg/m³?
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
(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 cathodic protection?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing hardness, but a reduction in ductility?
Isolate for "v" in the following equation: d=vt
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
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?
From the information given in the diagram below, what is the current flowing on branch R1?
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type L tube type typically have?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
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?
(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?