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Instrumentation: FIRST PERIOD

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

A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
What does the term "Cv" represent in calculating pressure drop?
There are several different ways to apply force to an actuator. Which one of the methods below would have the highest pressure transmission rate during operation?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
What are the three main elements of a regulator?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen pressure adjustment/verification be?
"pressure developed by a column of liquid" is the definition of which term
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the "4 mm" refer to?
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
Worker education is the responsibility of the:
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?
Calculate the gain when a change from 1.55 psig to 2.15 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would explosion-proof equipment be primary used?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
If a pressure change of 20 kPa to 90 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 5.5 cm and the effective area of the diaphragm is 0.065 m^2
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
(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 through the side wall of an enclosure?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the letter "C" in the picture below?
(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?
Which pilot valve has two common supply connections, and two connections for output?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
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?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a minimum of 1.3 volts it can develop or contain?
(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 maintenance of instruments in hazardous locations of instruments?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
Of the valves below, which would be best for erosive service?
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?
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?
In the SI system, the unit for time is?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
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?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
State the number 13487000 using scientific notation and round the answers to three significant digits.
The result of a _______ actuator is installed with a ________ valve will be air-to-close
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
Lifting a load with rigging is an involved and potentially dangerous task. When working with slings, which of the angles below is the commonly used safe lifting angle?
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?
Which type of valve is pictured below?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described as having a blind and a spacer together in one assembly?
When making an angularity adjustment, what is the first adjustment made?
The standard unit of resistance is which of the below?
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
(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?
"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."
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
Which term can be defined as the pressure measured from absolute zero?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
"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?
For every gas law there is a corresponding equation. Which of the gas laws below is missing from the Combined Gas Law?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
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?
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
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?
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 R1?
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
Using the Pythagorean Theorem solves for which mathematical term?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI absolute temperature scale?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
(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 2 circuits that are controlled remotely?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe has the diameter doubled, which of the answers below would be the result?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
There are two very common types of metric vernier calipers. If the caliper that you are using has 1mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the workers rights and responsibilities?
Proper choices need to be made with the mounting of instruments. Which of the answers below would be a disadvantage of a instrument stand that has a cable mount?
The ratio 3.4:2.5 equal to?
The 3 key elements of the WHIMIS system are, worker education, material safety data sheets and ________. Choose from the answers below to fill in the blank.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
Hysteresis can only be calculated.
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
State 3 ⅞ as a mixed fraction.
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
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?
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
What is the SI unit of pressure?