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Instrumentation: FIRST PERIOD

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

There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the short circuit current?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
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).
The perimeter of a Triangle is calculated with which correct equation?
When an atom loses an electron, it is commonly referred to as which of the below?
(310102m) There are numerous electrical devices in a circuit. Which of the devices below can be best described as a passive two-terminal component used to store and release electrical energy?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
"Hydrostatic" pressure is sometimes referred to as
(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?
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?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
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?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
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"?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
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?
Which of the laws below can be best described by the following statement, "The strength or intensity of an unvarying electric current is directly proportional to the electromotive force and inversely proportional to the resistance of the circuit"?
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?
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"
"Two angles that add to 180 degrees," is a description of which mathematical term?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
State ⁶⁵⁄₁₄ as a mixed fraction.
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
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?
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line resistance to an open circuit?
There are several different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
A true force balance negative feedback system is a motion balance system?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
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?
Lenz Law states:
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
Calculate the gain when a change from 0.85 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 18 psig in the relay output occurs.
What power of soldering station is used for electronic soldering?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
What is the basic unit of matter?
In the fraction A/B. is B the numerator?
The symbol for a voltage drop is which of the below?
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
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
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?
(310103f)There are several methods for measuring process variables. Which of the transmitters below would use cavities filled with oil used as a dielectric in the creation of an output signal?
Circular chart recorders have several specific accessories. Which of the accessories below would use an ambient compensation capillary?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
(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 installation of instruments in a hazardous location?
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
"Is not designed for continuous occupancy, and has limited or restricted means for entry or exit." This statement best describes which of the following terms?
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 0-9 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
What type of fire extinguisher can have a large tapered nozzle?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for government agencies?
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 "A" in the picture below?
(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?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
Isolate for "v" in the following equation: d=vt
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the floor of the container. Of the following answers, which gas would he be testing for?
(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?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the degree to which the result of a measurement that conforms to the required standard.
The volume of a sphere is calculated with which correct equation?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
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 decrease?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
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?
(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 circuits that are isolated?
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
The prefix "Mega" can be expressed as?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
The CEC generates a air grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Propane belong to?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
(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 a resistor with a smaller one in a simple circuit?
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 3.5 cm and the effective area of the diaphragm is 0.05 m^2
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
To preform a "Span" adjustment the order of the step(s) is/are?
(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 1 power circuits that are extremely low voltage?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
Which pilot valve has two common supply connections, and two connections for output?
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?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
(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 many studies on how pressure and force affect fluids. "Horizontal runs do not increase pressure." is one of the principles of which answer below?
(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 a it with a smaller one in a simple circuit?