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Instrumentation: FIRST PERIOD

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

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?
If a closed tank is pressurized to 134.345 kPa and the pressure gauge at the bottom of the tank reads 169.456 kPa, what head (in feet) of a liquid with a R.D. of 0.24 is contained in the tan
State ⁶⁵⁄₁₄ as a mixed fraction.
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
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?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
The symbol for resistance is which of the below?
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
Moment balance Negative feedback system consists of:
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
(310104b)There are many different valves to be used for different processes. Which of the valves below would best be used in a high pressure process?
State the number 7.428 using scientific notation and round the answers to three significant digits.
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
101.325 kPa is equal to?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
If tool crib attendant has 8 boxes of fittings, and one person takes 1 3/4 boxes, and another person takes 3 4/5 boxes, and another person brings back 2 1/4 boxes, how many boxes remain?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
What item would be used on a pneumatic system to speed up the pneumatic signal?
(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?
What does the term "Cv" represent in calculating pressure drop?
There are many different types and styles of tubing in industry, but they can all be grouped into categories. Which of the answers below best represents all of the categories of tubing?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "4" in the picture below?
Isolate for"h" in the following equation y=(h-t)/r
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an increase in resistive load?
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?
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."
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
This valve is primarily used in slurry service and is not over 8 inch in general
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
In the SI system, what is the fundamental hydrostatic pressure equation
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
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?
What is the area of a semi-circle with a diameter of 2.45m?
A multi-wheel cutter is used when
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "that at the same temperature and pressure, equal volumes of all gases contain the same number of molecules."?
A pressure gauge at the bottom of a tank indicates a pressure of 7.9 psi. The relative density of the liquid is 0.87. What is the depth of the liquid in feet?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
Of the answers below, which one is a disadvantage of a Pinch valve?
When making a span adjustment, what is the first adjustment made?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
"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?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, isolating all sources of energy to the work area would be which of the steps below?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
What are the two main systems of negative feedback?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
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 7.5 cm and the effective area of the diaphragm is 0.02 m².
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer below?
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
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?
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an decrease in resistive load?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the voltage when the capacitor gets to 5τ?
(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?
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
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?
A true force balance negative feedback system is a motion balance system?
(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?
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an decrease in resistive load?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
There are two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
"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?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
(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?
"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?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
What are the three areas of WHMIS?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
"An element or device which receives information in the form of 4-20 mA and coverts it to information in the form of 3-15 psig." is the best description of which of the terms below?
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
Which valve is used for corrosive slurries?
(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?
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
The area of a circle is calculated with which correct equation?
Of the adjustments below, which is the most common adjustment made?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?