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Instrumentation: FIRST PERIOD

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

"A quantity having direction as well as magnitude," is a description of which mathematical term?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
What are the two types of magnet?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
There are some options when deciding to lower the classification of a hazardous atmosphere within an enclosure. Which of the methods below would be the best method for the removal of a hazardous gas?
"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?
"The law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
"An electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance." is the best description of which of the terms below?
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 distance from the crest of one thread to another crest measured along the length of the thread?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
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 explosion-proof enclosure?
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
What is the name of the part of a drill bit that gets fitted into the drill spindle?
The volume of a cube is calculated with which correct equation?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
This valve is primarily used in slurry service and is not over 8 inch in general
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
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
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
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
If a closed tank is pressurized to 16 psig and the pressure gauge at the bottom of the tank reads 31 psig, what head (in meters) of a liquid with a R.D. of 0.37 is contained in the tank
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?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
Due to a lengthy transmission distance a control valve is responding slowly. The device that would improve the response speed of the valve would be?
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
Which are the two major categories of pressure regulators?
(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 require constant replacement?
From the information given in the diagram below, what is the current flowing on branch R2?
The symbol for a voltage source is which of the below?
A 2000 kg train is traveling east with a speed of 25 km/h. Determine the mass of a truck travelling at 15 km/h would have to have to be travelling at the same momentum.
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
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 0-14 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
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
(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?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power delivered by the battery?
The volume of a cylinder is calculated with which correct equation?
(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 of transformer circuits for instruments?
"An angle of 90°" is a description of which mathematical term?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
(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?
Using the Pythagorean Theorem solves for which mathematical term?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
State the number 13487000 using scientific notation and round the answers to three significant digits.
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
What is the name of the tool that is used on round stock to cut external threads?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
(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?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
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?
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
Convert 4 ⅞ to an improper fraction.
If angle "Y" is equal to 28 degrees, solve for angle "X"
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?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
Calculate the gain when a change from 1.55 psig to 2.15 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
The ratio 3.4:2.5 equal to?
To perform a "Zero" adjustment the order of step(s) is/are?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would convey the movement of the drive arm to the range arm?
(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 signal circuits that are considered Class 1?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
(310101c) When ordering a GP copper tubing size, it has to be precise. Which of the measurements below would be used for ordering copper tube?
(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?
Matter that is compose of only one atom is called what?
14.696 psia is equal to?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 75 MPag??
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described a a device that produces linear motion from a source of power to control the flow of .energy of a process?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
(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?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
(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 circuits that are controlled remotely?