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Instrumentation: FIRST PERIOD

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

There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "4" in the picture below?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
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 only?
A moment balance negative feedback system is a force balance system?
"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?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
The symbol for a voltage drop is which of the below?
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?
What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet
"5 x 7=7 x 5" is an example of which mathematical law?
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 1000 hours a year?
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
1 pound mass is equal to?
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
What provides the seal on the valve stem to prevent leakage of the process?
Matter that is composed of more than one type of atom is called?
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
What is the main purpose of valve positioners?
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, for every 15 C of charge, 45 J of energy is available, what is the voltage?
State the number 7.428 using scientific notation and round the answers to three significant digits.
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is referred to as "hard or rigid"?
What are the three main elements of a regulator?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
Convert 0.500 to a fraction.
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a flame-proof enclosure?
Scaffolds use is daily occurrence at most job sites. Any scaffold that is constructed must be designed to handle _____ times the potential load placed on it. Use that answers below to correctly fill in the blank.
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type ACR tube type typically have?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Ethylene belong to?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
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?
(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 conductor is passed through a magnetic field and a voltage is induced, whose law is this?
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
There are many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
"A hazard within the workplace that can harm the body without necessarily touching it. Vibration and noise are examples of this type of hazards." This statement best describes which of the following hazard groups?
What power of soldering station is used for electronic soldering?
Angle motion negative feedback system consists of:
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe a thread with a 16 TPI?
Which pressure to force converter is typically used in dial indicating pressure gauges?
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?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
What is the formula that the pneumatic relays amplification or gain is expressed by?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
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"
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
The prefix "giga" can be expressed as?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
(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?
(310104a) There are numerous components to a valve. Which of the components below would best be referred to as a gland that seals the dynamic portion of the valve against leakage?
"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?
(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?
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?
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 current?
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."?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
Before allowing power to a device, it may be required to neutralize it's environment. Which of the methods below would best be described as a consistent positive pressure within an enclosure?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
If a pressure change of 20 kPa to 60 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.09 m^2
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
The volume of a sphere is calculated with which correct equation?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
True force balance negative feedback system consists of:
The result of a _______ actuator is installed with a ________ valve will be air-to-open
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
"Hydrostatic" pressure is sometimes referred to as
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?