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!

What are the 2 major parts of a control valve?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
"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 relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
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 3-15 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
The equation to calculate density is?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
There are several parts to a drill bit. Which of the terms below best represents the part of a drill bit that is used to cut into materials?
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the voltage delivered to the field device?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
If a closed tank is pressurized to 101.345 kPa and the pressure gauge at the bottom of the tank reads 130.456 kPa, what head (in feet) of a liquid with a R.D. of 0.45 is contained in the tank
Which type of pilot valve has one supply connection and two output connections?
(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?
1 psi is equal to _____ kPa
(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?
The volume of a cylinder is calculated with which correct equation?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
What is the main purpose of valve positioners?
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
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"?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
"The results of a devices inelastic quality" is a definition of which term?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
Which of the following measurements cannot be performed by a sliding caliper?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
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 0-12 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a O-ring seal style fitting?
8 coulomb of charge requires how many electrons?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
State the number 789342.61 using decimal notation and round the answers to three significant digits.
(310103d) There are several different designs of regulator. Which of the loading element designs below would have to slowest response to changes in downstream pressures?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for workers?
(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 standards set for employers?
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?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
(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 maintenance of instruments in hazardous locations of instruments?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R1?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
Solve for x: (3)(5)+9=x
The supplier label:
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
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."
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
Choose the correct order of mathmatical operations.
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 smallest diameter of the thread?
(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 less that 50V circuits?
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 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?
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the short circuit current?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial absolute temperature scale?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
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.
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
A _________ has the air connection usually above the diaphragm
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described an interaction that causes an affected object to This results in an alteration to the state of the object's momentum?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a minimum of 1.3 volts it can develop or contain?
What is the density of water?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
Convert 0.500 to a fraction.
(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??
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
In industry, electrostatic hazards are very important to understand. Which of the terms below can correctly be described as a charge created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other?
Convert 0.875 to a fraction.
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the roof of the container. Of the following answers, which gas would he be testing for?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
A battery has a rating of 80Ah, this means it can supply
In the fraction A/B. is B the numerator?
1 kPa is equal to _____ psi
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
Solve for the hypotenuse.
The volume of a cylinder is calculated with which correct equation?
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?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
To alter the pressure setting of a regulator, you would adjust what?
How many electrons does 134.5 x 10¹⁹ represent?
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?