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Instrumentation: FIRST PERIOD

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

Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
The supplier label:
Convert 0.875 to a fraction.
"A characteristic where flow capacity increases linearly with valve travel. Flow is directly proportional to valve travel." is the best description of which of the terms below?
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."?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
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.
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 6 cm. What is it's spring rate?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
How is the term "Cv" calculated?
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 field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as the number of magnetic lines of flux that pass through a certain point on a surface?
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
A capacitor discharges it's voltage at a specific rate. How many tau are required for a capacitor to expend 99% of it's original voltage?
In the fraction A/B, is A the numerator?
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly fill the blank in the statement, "The generation of an electrostatic charge is ________ in conditions that are humid?"
(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 power circuits that are extremely low voltage?
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."?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
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?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
"Is an area where no movement occurs with the actuators change in direction." describes which term?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
(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 it with a larger one in a simple circuit?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for receiving an output signal and converting that into a PV value?
The standard unit of conductance is which of the below?
(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?
Which of these pressure to force converters has two diaphragms soldered together?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
What are the 2 major parts of a control valve?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
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?
(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 conductor type and use?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
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."?
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
Electromagnetism is a property of electrical charges moving through materials. Use one of the answers below to correctly fill in the blanks of the following sentence, "A magnetic fields strength in close proximity to conductor is _________ to the amount of current flowing through it."
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
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?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 75 MPag??
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a flame-proof enclosure?
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 decrease in resistive load?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described a a device that produces linear motion from a source of power to control the flow of .energy of a process?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
"Which of the electrical terms below can be best described as "consisting of one or more electrochemical cells, which transform stored chemical energy directly into electrical energy."
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
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?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
The perimeter of a square is calculated with which correct equation?
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?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would convey the movement of the drive arm to the range arm?
What percentage of 35 is 21?
(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 larger OD tube to a smaller OD tube?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
Calculating absolute pressure is achieved by?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
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
(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?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
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 provides the seal on the valve stem to prevent leakage of the process?
"A method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
"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?
(310103f)There are several methods for measuring process variables. Which of the transmitters below would use cavities filled with oil used as a dielectric in the creation of an output signal?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
The symbol for a voltage drop is which of the below?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?