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Instrumentation: FIRST PERIOD

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

convert 56.7 psi to kPa.
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?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "W" as a of measurement?
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
The circumference of a circle 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 5 cm diameter filled with gas?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
"A whole number and a fraction combined into one number", is a description of which type of fraction?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
The symbol for a amperes is which of the below?
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?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "when the magnetic flux alternates from the internal molecular structure reversals, the result is the heating of the core and wasted energy."
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where no internal pressures need to be tolerated?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the pressure of a given mass of gas varies directly with the absolute temperature of the gas, when the volume is kept constant."?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the detailing of employer obligations that must be fulfilled?
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
To alter the pressure setting on a regulator what element would you adjust?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
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 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?
"An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force." is a description of which one of Newton's laws?
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
1 mechanical, or imperial, horsepower is equal to which of the below?
Choose the correct order of mathmatical operations.
(310105i) Any solid has inherent properties associated with it. When measuring the force applied to the entire area of a solid, which of the answers below are you trying to measure?
(310103f)There are several methods for measuring process variables. Which of the transmitters below would use cavities filled with oil used as a dielectric in the creation of an output signal?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
There are many studies on how pressure and force affect fluids. "Container shape does not affect fluid pressure." is one of the principles of which answer below?
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
"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?
Choose the answer below that has the words in order to correctly fill in the blanks. "A ______ in per unit volume temperature of a conductor, offers ______ resistance to current"
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
The perimeter of a square is calculated with which correct equation?
"A two ratios that are equal in an equation." is a description of which mathematical term?
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) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
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 transmitter output signal if the fluid level is at 8.65 meters?
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
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
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?
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?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
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 3.5 cm and the effective area of the diaphragm is 0.05 m^2
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
(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?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
(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 an electrical communication system?
There are numerous steps to drilling with a power drill. Which answer below correctly identifies the size of the center punch mark in a piece to be drilled?
"Hydrostatic" pressure is sometimes referred to as
The volume of a sphere is calculated with which correct equation?
101.325 kPa is equal to?
Magnets have been classified into two distinct groups. Which of the answers below is best described as an electromagnet which only retains magnetism when an electrical current is running through it?
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 R2?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the minimum or maximum concentration levels of a flammable or combustible material for ignition?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type M tube type typically have?
Synthetic slings can be selected for a task specific application. Which of the sling property below would allow a nylon sling to be used in an explosive atmosphere?
When an atom loses an electron, it is commonly referred to as which of the below?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
When an atom gains an electron, it is commonly referred to as which of the below?
34.450 in engineering notion is what?
There are several terms that are used to describe the features of a particular thread type. Which of the answers below would best describe the "³⁄₁₆" in the bolt designation ³⁄₁₆-12 UNF x 6?
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?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
To perform a "Zero" adjustment the order of step(s) is/are?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
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 column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
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?
The volume of a cylinder is calculated with which correct equation?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?
Hysteresis can only be calculated.
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
From the information given in the diagram below, what is the voltage drop over R2, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
(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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?