Advance your career with help from our practice exams

Instrumentation: FIRST PERIOD

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

There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
Calculate the normal force exerted by an object that has a mass of 6732 grams
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?
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
"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?
(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?
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
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
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
There are many terms for specific electrical components. Which of the components below is best described as a passive electronic component that stores energy in the form of an electrostatic field?
The perimeter of a Triangle is calculated with which correct equation?
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"?
A volume booster is not a positioner.
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
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?
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
The symbol for a voltage source is which of the below?
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
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 "A electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standard set for workers?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction outside the magnet?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would positively pressurized equipment be primary used?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps 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 R2
If a closed tank is pressurized to 105.345 kPa and the pressure gauge at the bottom of the tank reads 198.456 kPa, what head (in feet) of a liquid with a R.D. of 0.11 is contained in the tan
From the information given in the diagram below, what is the voltage across each resistor?
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?
Solve for the hypotenuse.
The volume of a rectangle is calculated with which correct equation?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
What is the purpose of the PTC switch in a lithium battery?
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?
Which of the welding processes below would welding goggles be worn?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The 3 key elements of the WHIMIS system are, worker education, material safety data sheets and ________. Choose from the answers below to fill in the blank.
Which of the valves below would be used for isolation on each side of a control valve?
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
There are some terms that are associated with capacitors. Which of the terms below is defined as the permittivity of a given material relative to that of the permittivity of a vacuum.
Moment balance Negative feedback system consists of:
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?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
When an atom gains an electron, it is commonly referred to as which of the below?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 65 lbm?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
A multi-wheel cutter is used when
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
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
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?
The desiccant head adsorbes water vapour due to which?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "the point at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied."?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
With a reverse acting actuator, as the pressure increases:
To perform a "Zero" adjustment the order of step(s) is/are?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
OH&S recognizes that there are a number of hazards on any jobsite. Which of the answers below best represents the number of broad categories that it has grouped those hazards into?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on it??
This pressure to force converter device is used in situations where space is limited?
The ratio 3.4:2.5 equal to?
65% of 765 is equal to?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
Chart recorders have some specialized applications in industry. Which of those applications would best make use of the multiple temperature inputs available?
The height of a free standing or rolling scaffold is restricted to no more than 3 times the smallest base dimension. This guideline comes from which of the acts below?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the relationship between the volume and temperature in a fixed mass of gas."?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
Using the Pythagorean Theorem solves for which mathematical term?
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
Choose the answer below that has the words in order to correctly fill in the blanks. "A per unit volume of free electrons that is _______, offers ______ resistance to current"
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?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
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 decrease?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
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?
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?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
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?
(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??
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
Determine x if 5:16=x:128.
"The results of a devices inelastic quality" is a definition of which term?
Calculate the force in pounds which will be developed when a liquid pressure of 76 lbs/in² is applied to an area of 54 in².
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?