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Instrumentation: FIRST PERIOD

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

The desiccant head adsorbes water vapour due to which?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
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 0-20 meters. What is the transmitter output signal if the fluid level is at 6.65 meters?
What is the SI unit of pressure?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the difference between the highest and lowest error values
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure increase?
The best description for "Span error" in relation to calibrating instruments is which of the following?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
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?
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would be leak-proof at any temperature or pressure
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
(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?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that allows the additional measurement of differential and static pressures?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
If it were necessary to operate an 50-300 kPa valve actuator, but you had a 20-80 kPa control signal, the relay used would be?
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "when the magnetic flux alternates from the internal molecular structure reversals, the result is the heating of the core and wasted energy."
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?
"A whole number and a fraction combined into one number", is a description of which type of fraction?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
Heat is based on the movement of molecules. Which of the answers below correctly fills the blank in the following sentence, "Temperature is the measurement of the average _________ of the movement of molecules."
If a closed tank is pressurized to 105.345 kPa and the pressure gauge at the bottom of the tank reads 198.456 kPa, what head (in feet) of a liquid with a R.D. of 0.11 is contained in the tan
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
Convert 0.500 to a fraction.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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?
The prefix "giga" can be expressed as?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
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?
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?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
What is the density of water?
Which of the terms below is measure in "watts"
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
There are several different ways to apply force to an actuator. Which one of the methods below would a pneumatic source of air not be required for operation?
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."?
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?
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
Convert ⅘ to a decimal.
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measurement that compares the amount of matter an object has to compared its volume.
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?
(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?
(310105d) Heat is produced when friction occurs during motion. Which of the terms below correctly identifies the type of friction that produces of this heat?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
When making a span adjustment, what is the first adjustment made?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
What is the purpose of the PTC switch in a lithium battery?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
If a closed tank is pressurized to 18 psig and the pressure gauge at the bottom of the tank reads 39 psig, what head (in meters) of a liquid with a R.D. of 0.76 is contained in the tank
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
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".
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
What is the main purpose of valve positioners?
With a direct acting actuator, as air pressure increases:
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for the alignment for the path of travel of the valve plug?
7 coulombs of charge require how many electrons?
An I/P transducer is a positioner.
convert 56.7 psi to kPa.
"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."
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would capillary or impulse line to the instrument be used?
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?
(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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
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?
(310105i) Any solid has inherent properties associated with it. When measuring the force applied to the entire area of a solid, which of the answers below are you trying to measure?
Isolate for "v" in the following equation: d=vt
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
Calculate the normal force exerted by an object that has a mass of 6732 grams
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?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of refining the grain of the steel to allow for greater resistance to corrosion and temperature extremes?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
"A triangle in which all three sides are equal." is a description of which mathematical term?
What are the three areas of WHMIS?
The prefix "Mega" can be expressed as?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
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?
Materials with four electrons in their valence shell are considered what?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.