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Instrumentation: FIRST PERIOD

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

(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??
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve coating the iron tip with a small amount of solder?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends in line and one pipe connector?
convert 4 ⁴⁄₁₁ to an improper fraction.
(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?
What is the basic unit of matter?
(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 "C"?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
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?
A true force balance negative feedback system is a motion balance system?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
What is the main purpose of valve positioners?
The two main functions of a negative feedback system are:
"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?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
If a closed tank is pressurized to 12 psig and the pressure gauge at the bottom of the tank reads 56 psig, what head (in meters) of a liquid with a R.D. of 0.75 is contained in the tank
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
From the information given in the diagram below, what is the voltage drop over R3, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
Which of these pressure to force converters has two diaphragms soldered together?
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?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
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
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to depth." is one of the principles of which answer below?
When a pressure of 15 psi is applied to a diaphragm actuator with a diameter of 18 cm, what is the force in Newtons (N) that is created?
To preform a "Span" adjustment the order of the step(s) is/are?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
Pick the answer that will fill the blank. "_______ of the voltage would appear across the open circuit in a ______ circuit."
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
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?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
The standard unit of resistance is which of the below?
What are the three areas of WHMIS?
There are some troubleshooting issues that can arise while soldering. Which of the issues below would be best described as a heat transfer loss from the soldering tip?
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 cable tray and metal conduit?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
There are many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
In the fraction A/B, is A the numerator?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when connecting tubing to piping?
The volume of a cylinder is calculated with which correct equation?
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.
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing hardness, but a reduction in ductility?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
The trigonometric ratio of sine is calculated with which mathematical equation?
In the SI system, the unit used for mass is?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
"A method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
When an atom loses an electron, it is commonly referred to as which of the below?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Acetylene belong to?
When making a span adjustment, what is the first adjustment made?
The MSDS for each controlled product must be:
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
(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 it with a larger one in a simple circuit?
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?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
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 "SS" refer to?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
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?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
The prefix "Kilo" can be expressed as?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
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 current to an open circuit?
(310102m) A capacitor's voltage decreases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full discharge in a typical capacitor?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where actuator energy is carried to an FCE?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
(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?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
(310104d) A control valve is one of many FCEs that are used in industry. Which of the answers below reflects the relationship between a control valve and the process variable?
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?
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?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
In the fraction A/B. is B the numerator?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
(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 connected to a flange that was one-holed?
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
The industry committee network is made up of three bodies. Which of the bodies below acts as a link between the AIT Board and the LACs?
(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?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
How many electrons does 134.5 x 10¹⁹ represent?
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.
Calculate the normal force exerted by an object that has a mass of 6732 grams
This valve is primarily used in slurry service and is not over 8 inch in general
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?