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Instrumentation: FIRST PERIOD

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

From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that has contacts the process?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe a thread with a 16 TPI?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be referred to as the ability to accept or resist an external force trying to deform it?
Angle motion negative feedback system consists of:
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
"5 x 7=7 x 5" is an example of which mathematical law?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
The ability of a material to concentrate magnetic lines of force within a material is called?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
When allowing power to flow to a device, purging may be required beforehand. Which of the answers below best represents the complete volumes of air with positive pressure?
1 psi is equal to _____ kPa
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "0.036" refer to?
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
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"
(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?
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?
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."?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
The volume of a sphere is calculated with which correct equation?
Convert ¹⁰⁄₁₅ to a decimal.
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?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
Calculate the density of a substance that has a mass of 9.8 kg and is contained in a space that has a volume of 0.00756 m³
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
Which of the laws below can be best described by the following statement, "The strength or intensity of an unvarying electric current is directly proportional to the electromotive force and inversely proportional to the resistance of the circuit"?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
Solve for the missing side.
(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?
To alter the pressure setting of a regulator, you would adjust what?
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
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?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
In industry, electrostatic hazards are very important to understand. Which of the answers below correctly identifies an work station that has an anti-static mat on it?
In the SI system, the unit of force is?
Newton's third law is also known as?
(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?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on 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?
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
(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?
There is a safe ratio for the use of extension ladders. If there is a ladder extending 18 ft vertically, how far from the wall should the base of the ladder be?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
There are two very common types of metric vernier calipers. Which of the answers below best represents the minimum accuracy of a metric Vernier caliper?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between cable tray and metal conduit?
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?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
"An element or device which receives information in the form of 4-20 mA and coverts it to information in the form of 3-15 psig." is the best description of which of the terms below?
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
There are many different types and styles of tubing in industry, but they can all be grouped into categories. Which of the answers below best represents all of the categories of tubing?
"The heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
(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?
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
Many electrical properties are a measured quantity, needing a unit of measurement. Which of the units below would be the correct unit of measurement for inductance?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Lenz Law states:
1 mechanical, or imperial, horsepower is equal to which of the below?
In the fraction A/B. is B the numerator?
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
Determine x if 5:16=x:128.
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
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?
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
(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 workers?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
Solve for x: 45-200÷10=x
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
There are some troubleshooting issues that can arise while soldering. Which of the issues below would be best described as a heat transfer loss from the soldering tip?