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Instrumentation: FIRST PERIOD

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

(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??
Covert 3 ⅘ to an improper fraction
Of the terms below, what is "Work" measured in?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
If a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
The supplier label:
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
(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 transformer circuits for instruments?
"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?
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
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?
Convert the following quantities to the units asked for: 27000 seconds to hours.
65% of 765 is equal to?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
The volume of a cylinder is calculated with which correct equation?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
The main function of a valve positioner is which of the below?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
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 3.5 cm and the effective area of the diaphragm is 0.05 m^2
Before allowing power to a device, it may be required to neutralize it's environment. Which of the methods below would best be described as a consistent positive pressure within an enclosure?
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the displacement of the car?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
There are two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
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?
"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?
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?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the outlet airflow rate be measured for purging times?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
Which of these pressure to force converters has two diaphragms soldered together?
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?
Choose the correct order of mathmatical operations.
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." is the best description of which of the terms below?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
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?
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?
What provides the seal on the valve stem to prevent leakage of the process?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described an interaction that causes an affected object to This results in an alteration to the state of the object's momentum?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
Which are the two major categories of pressure regulators?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
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?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of expending the accumulated energy in a capacitor?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
"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?
A battery has a rating of 80Ah, this means it can supply
In the fraction A/B. is B the numerator?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for government agencies?
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 numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
What are all the variables that can be measured when dealing with gases?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
(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?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
(310104b) There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would require constant replacement?
1 psi is equal to _____ kPa
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
(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?
Solve for the hypotenuse.
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 is the gain if nozzle backpressure changes from 1.35 psig up to 2.5 psig, and the relay output changes from 4 psig to 17 psig?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
(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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Gauge pressure is calculated by?
What is the name of the tool that is used on round stock to cut external threads?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
What is the SI unit of force?
In the SI system, the unit of force is?
What are the two main systems of negative feedback?
"An angle of 90°" is a description of which mathematical term?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the detailing of employer obligations that must be fulfilled?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be the most sensitive to pressure changes?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
(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 tube to tube?
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
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?
From the information given in the diagram below, what is the voltage drop over R3, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?