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Instrumentation: FIRST PERIOD

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

Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
Choose the answer below that has the words in order to correctly fill in the blanks. "A per unit volume of free electrons that is _______, offers ______ resistance to current"
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
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?
65% of 765 is equal to?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
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?
The trigonometric ratio of tangent is calculated with which mathematical equation?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the enclosures inlet airflow rate be measured for purging times?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
The trigonometric ratio of sine is calculated with which mathematical equation?
Find the volume in meters cubed of a cylindrical tank that has a radius of 2.4 m and a length of 1.2 m.
Convert ⁸⁄₁₉ to a decimal.
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?
1 mechanical, or imperial, horsepower is equal to which of the below?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
(310105i) Any liquid has inherent properties associated with it. When measuring the force applied to the entire area of a liquid, which of the answers below are you trying to measure?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly fill the blank in the statement, "The generation of an electrostatic charge is ________ in conditions that are humid?"
"A quantity having direction as well as magnitude," is a description of which mathematical term?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
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?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
What is the smallest charged particle?
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 fraction A/B, is A the numerator?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
There are several different types of carbon steel in any piping system. Which of the types below would have a 0.3-0.6% carbon content?
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
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
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?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
An instrument technician sometimes has to do calibrations while the process is still running. Which of the terms below identifies a calibration done on a live process?
There are may different trades and occupations within Alberta. Which of the answers below correctly identifies the number of Alberta designations?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 10, but less than 1000 hours a year?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "i" equipment can withstand?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
(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?
Using the Pythagorean Theorem solves for which mathematical term?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
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?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
Solve for the missing side.
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
(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?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
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 a physical barrier at the open end of a process pipe?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type M tube type typically have?
The ability of a material to concentrate magnetic lines of force within a material is called?
What power of soldering station is used for electronic soldering?
From the information given in the diagram below, what is the current flowing on branch R1?
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?
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?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure visual indicator only?
When taping a blind that does not go through the metal, the proper steps to tap it are:
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?
(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 4 tubes together?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that blocks any excess voltage from gaining access to a hazardous area?
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
What type of fire extinguisher can have a large tapered nozzle?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
Choose the answer below that has the words in order to correctly fill in the blanks. "A ______ in per unit volume temperature of a conductor, offers ______ resistance to current"
"A characteristic where flow capacity increases linearly with valve travel. Flow is directly proportional to valve travel." is the best description of which of the terms below?
From the information given in the diagram below, what is the current flowing on branch R2?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?