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Instrumentation: FIRST PERIOD

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

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 "C" in the picture below?
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
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 field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
Which of the terms below is measured in "Joules"
Convert 88 PSI to kPa
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
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?
When taping a blind that does not go through the metal, the proper steps to tap it are:
Express ³²⁄₄₄ as a percent.
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 "The amount of opportunities for the atoms of the conductor to affect current flow per linear unit"
If it were necessary to operate an 50-300 kPa valve actuator, but you had a 20-80 kPa control signal, the relay used would be?
Convert 18.5 psi into inches W.C.
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 increase?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
Convert 0.125 to a fraction.
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
(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?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate across an orifice plate?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
In relation to hacksaws, "pitch" is referred to as?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
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).
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the average velocity of the car?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would generally not be used to protect current electronic instrumentation?
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"
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
There are numerous types and styles of valves in industry. Which of the additions to a scotch yoke valve allows for proportional positioning?
There are several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen arc adjustment/verification be?
If a closed tank is pressurized to 103.345 kPa and the pressure gauge at the bottom of the tank reads 145.456 kPa, what head (in feet) of a liquid with a R.D. of 0.37 is contained in the tank?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed 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?
(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 2 power circuits that are considered low energy?
(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?
(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 cathodic protection?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
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?
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
(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?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
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?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?
The equation to compute mechanical advantage is which one of the below?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the displacement of the car?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for resolving any disputes between employer and apprentice?
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 fluid level if the transmitter signal is 35 kPa
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
What is usually referred to when loading an ammeter?
(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 leak-proof at any temperature or pressure
(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??
Many electrical properties are a measured quantity, needing a unit of measurement. Which of the units below would be the correct unit of measurement for inductance?
The prefix "Kilo" can be expressed as?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
Isolate the following equation for "v": d=vt
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
(310104b) Valve disassembling is a fundamental part of the Instrumentation trade. Which of the hazards below would be of primary importance to eliminate when disassembling a sliding stem actuator?
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
A tank contains a liquid that has a R.D. = 1.15. The depth of the liquid is 6.7 meters. What is the pressure in kPa at the base of the tank?
Of the terms below, what is "Work" measured in?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
The outermost shell of an atom is called the valence shell.
"A particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?
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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "4" in the picture below?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
How is the term "Cv" calculated?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
"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?
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
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?
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 power source is 24V and the resistance is 8Ω what is the current of the circuit?
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
"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 heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?