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Instrumentation: FIRST PERIOD

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

A multi-wheel cutter is used when
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?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
If a closed tank is pressurized to 30 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "ia" equipment can withstand?
This valve is primarily used in slurry service and is not over 8 inch in general
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
"pressure developed by a column of liquid" is the definition of which term
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
What is the SI unit of pressure?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
"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?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be the most sensitive to pressure changes?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
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?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
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 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?
Which of the laws below can be best described by the following statement, "The strength or intensity of an unvarying electric current is directly proportional to the electromotive force and inversely proportional to the resistance of the circuit"?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
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?
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?
1 psi is equal to _____ kPa
34.450 in engineering notion is what?
Which pressure to force converter is typically used in dial indicating pressure gauges?
7 coulombs of charge require how many electrons?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as general purpose?
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?
"The production of an electromotive force in one circuit by a change in current in a separate circuit." is the best description of which of the terms below?
Calculating absolute pressure is achieved by?
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
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?
1 mechanical, or imperial, horsepower is equal to which of the below?
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
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?
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
"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?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for converting a measured PV into an output signal?
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the description of which mathematical term?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of refining the grain of the steel to allow for greater resistance to corrosion and temperature extremes?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
What is the name of the tool used to cut internal threads after drilling a hole?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
If a closed tank is pressurized to 12 psig and the pressure gauge at the bottom of the tank reads 56 psig, what head (in meters) of a liquid with a R.D. of 0.75 is contained in the tank
(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?
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?
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 145 kPag?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
How many electrons does 134.5 x 10¹⁹ represent?
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.
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
(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?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
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?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
Convert the following quantities to the units asked for: 27000 seconds to hours.
Oxygen is a vital component of the combustion process. Which of the answers below best describes the effects of combustion if an amount of gas and oxygen are equal in volume?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
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?
In industry, electrostatic hazards are very important to understand. Which of the answers below correctly identifies an work station that has an anti-static mat on it?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
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?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet
Lenz Law states:
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen position adjustment/verification be?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
(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?