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Instrumentation: FIRST PERIOD

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

(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
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?
(310105i) Any solid has inherent properties associated with it. which of the tests below refers to the application of force to a material and measures the specimen's response to the stress.
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
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?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
This pressure to force converter device is used in situations where space is limited?
A standard pipe size chart will have piping up to 24". At which pipe size does the OD in inches, match the NPS in inches?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
There are a number of common parts to any valve. Which of the terms below would best be described as the object supplying the opening or closing motion of the valve?
"The quantifiable change in position of an object, including how far the object travels and in what direction, before achieving it's final position." is the description of which mathematical term?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
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?
In relation to hacksaws, "pitch" is referred to as?
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?
"The law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the minimum or maximum concentration levels of a flammable or combustible material for ignition?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
If a tool increases from $43 to $76, what is the percentage increase?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
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?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
Which type of valve is pictured below?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
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?
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.
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 two ratios that are equal in an equation." is a description of which mathematical term?
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?
(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?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a moment balance negative feedback system in the creation of an output signal?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
Which are the two major categories of pressure regulators?
(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?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the amount of work done in 15 mins by a 45 hp motor?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
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?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
State the number 789342.61 using decimal notation and round the answers to three significant digits.
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 is the smallest charged particle?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is referred to as "hard or rigid"?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
A true force balance negative feedback system is a motion balance system?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
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.
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?
The radius of a circle is calculated with which correct equation?
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?
(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?
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?
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
746 Watts is equal to which of the terms below?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
The basic unit of matter is called?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use capacitor plates in the creation of an output signal?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "is the pressure required to liquefy a gas at its critical temperature."?
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
Interpretation and use of correct installation standards is vital to the success of an instrument technician. Which of the associations below have set out the standards that must be followed?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
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 0-12 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
Solve for x: (3)(5)+9=x
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
Convert 18.5 psi into inches W.C.
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?
(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?
Calculate the relative density for a fluid that has a density of 748 kg/m³
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R2?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the roof of the container. Of the following answers, which gas would he be testing for?
Choose the correct order of mathmatical operations.
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
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."
A "wheel and axle" is an example of which type of machine?
(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?
(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 it with a smaller one in a simple circuit?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
The ability of a material to concentrate magnetic lines of force within a material is called?
Convert 45.9 kPa into psi
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?