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Instrumentation: FIRST PERIOD

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

What are the three areas of WHMIS?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
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?
Piping material that is non-ferrous is most common in lower temperature services. Which of the answers below would best be classified as a "non-ferrous" material?
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?
What type of fire extinguisher can have a large tapered nozzle?
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?
Convert 45.9 kPa into psi
"Any point on a circuit where two or more current flows meet or are split." is the best description of which of the terms below?
What is the name of the tool used to cut internal threads after drilling a hole?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
When making an angularity adjustment, what is the first adjustment made?
State the number 7.428 using scientific notation and round the answers to three significant digits.
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
What is the term used to describe the total opposition to current flow in an AC circuit?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
In the fraction A/b, is A the denominator?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a 2.5 mm minimum water gauge flow to be maintained?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
(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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
What is the SI unit of pressure?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
(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?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve ensuring contamination free parts and soldering tip?
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?
There are several terms that are used to describe the features of a particular thread type. Which of the answers below would best describe the "³⁄₁₆" in the bolt designation ³⁄₁₆-12 UNF x 6?
"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?
The industry committee network is made up of three bodies. Which of the bodies below acts as a link between the AIT Board and the LACs?
What are the three main elements of a regulator?
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
When an atom loses an electron, it is commonly referred to as which of the below?
From the information given in the diagram below, what is the voltage drop over R1, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
There are many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
When used to cut mild steel. what is the recommended angle for a cold chisel?
What item would be used on a pneumatic system to speed up the pneumatic signal?
There are many studies on how pressure and force affect fluids. "Horizontal runs do not increase pressure." is one of the principles of which answer below?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a nickle-chromium resistance wire?
State ⁶⁵⁄₁₄ as a mixed fraction.
There are some terms that are associated with capacitors. Which of the terms below is defined as the permittivity of a given material relative to that of the permittivity of a vacuum.
Labels are an important piece of the WHIMS structure. Which of the labels below would be used when damage occurs to the original supplier label?
Calculating absolute pressure is achieved by?
The volume of a cylinder is calculated with which correct equation?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
The prefix "Micro" can be expressed as?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
convert 4 ⁴⁄₁₁ to an improper fraction.
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
In the SI system, the unit for length is?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
From the information given in the diagram below, what is the current flowing on branch R3?
Piping material that is non-ferrous is most common in lower temperature services. Which of the answers below would best be classified as a "non-ferrous" material?
Synthetic slings can be selected for a task specific application. Which of the sling property below would allow a nylon sling to be used in an explosive atmosphere?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
(310104b) Valve disassembling is a fundamental part of the Instrumentation trade. Which of the hazards below would be of primary importance to eliminate when disassembling a sliding stem actuator?
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?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
A true force balance negative feedback system is a force balance system?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
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?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standards set for employers?
The two main functions of a negative feedback system are:
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
The volume of a sphere is calculated with which correct equation?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
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?
From the information given in the diagram below, what is the voltage drop over R4, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
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?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
(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?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
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?
(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?
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?
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?
Newton's first law is also known as?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?