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Instrumentation: FIRST PERIOD

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

(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?
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
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction inside the magnet?
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
Convert 16.5 psi into kPa
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
The symbol for a amperes is which of the below?
(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??
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
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 audible alarm and fuse only?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type DWV tube type typically have?
Of the valves below, which would be best for erosive service?
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 a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
Electromagnetism is a property of electrical charges moving through materials. Use one of the answers below to correctly fill in the blanks of the following sentence, "A magnetic fields strength in close proximity to conductor is _________ to the amount of current flowing through it."
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
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?
Alternating current is bi-directional.
Which pressure to force converter is typically used in dial indicating pressure gauges?
In the SI system, what is the fundamental hydrostatic pressure equation
Convert the following quantities to the units asked for: 4572 cm to yards.
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
(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?
A _________ has the air connection usually under of the diaphragm.
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
"Two external forces acting on an object or surface that are not in opposition of each other;" is a description of what type of stress?
The CEC generates a dust grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would metallic, hazardous dust belong to?
(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, prior to any work, the administrative procedures to be in place?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "R"?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
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?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
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 metal conduit and cable tray?
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
The outermost shell of an atom is called the valence shell.
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
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?
7 coulombs of charge require how many electrons?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to an explosion-proof enclosure?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
"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?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
Covert 3 ⅘ to an improper fraction
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with immediate and serious toxic effects?
Choose the correct order of mathmatical operations.
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?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "that at the same temperature and pressure, equal volumes of all gases contain the same number of molecules."?
Express 60% as a reduced fraction.
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?
What percentage of 35 is 21?
Gauge pressure is?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
State the number 479.3 using engineering notation and round the answers to three significant digits.
Moment balance Negative feedback system consists of:
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below would best be described as,"the measure of the intensity of the force imposed on this object by the local gravitational field"?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
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"
"Hydrostatic" pressure is sometimes referred to as
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
The supplier label:
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
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."
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
The prefix "Milli" can be expressed as?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the creation of two equal ranges from standard range?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
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.
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
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 R2?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for elevators used by the public?
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?
(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??
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
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?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as general purpose?