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Instrumentation: FIRST PERIOD

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

In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
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?
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?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for determining the equivalency of training done outside Alberta?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
Which of the valves below would be used for isolation on each side of a control valve?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
Which are the two major categories of pressure regulators?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
The CEC generates a dust grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would metallic, hazardous dust belong to?
Which of these pressure to force converters has two diaphragms soldered together?
Solve for the missing side.
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?
If a closed tank is pressurized to 16 psig and the pressure gauge at the bottom of the tank reads 31 psig, what head (in meters) of a liquid with a R.D. of 0.37 is contained in the tank
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced a resistor with a smaller one in a simple circuit?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
"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 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?
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
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?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
(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 tube to tube?
"A two ratios that are equal in an equation." is a description of which mathematical term?
(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 employers?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
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?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that prevents the process from passing into the electrical conduit in the event of the initial seal failure?
There is a safe ratio for the use of extension ladders. If there is a ladder extending 18 ft vertically, how far from the wall should the base of the ladder be?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
If a closed tank is pressurized to 10 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 0.78 is contained in the tank
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
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"
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 R3?
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
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."?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
Which of the following is not affected by a positioner?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
(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 circuits that are isolated?
Convert 0.625 to a fraction.
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?
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?
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
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?
The prefix "Mega" can be expressed as?
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?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure audible alarm and fuse only?
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?
What type of cell is a lithium constructed battery?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given area?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
There are several types of soldering irons that are available in industry. Which type of iron below would rely on a voltage being produced when the tip touches the work to be done?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the creation of two equal ranges from standard range?
The basic unit of matter is called?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be referred to as the ability to accept or resist an external force trying to deform it?
(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 suppliers?
(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 require constant replacement?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
The circumference of a circle is calculated with which correct equation?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run insulated impulse lines to location?
A battery has a rating of 80Ah, this means it can supply
Which organization sets standards for boots and safety glasses in Canada?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for transporting workers?
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
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 subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
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?
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 0-15.5 meters. What is the fluid level if the transmitter signal is 78 kPa
Lenz Law states:
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
What is the SI unit of force?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Materials with four electrons in their valence shell are considered what?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
(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 3 tubes together?
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
How many electrons does 134.5 x 10¹⁹ represent?
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
Linear motion negative feedback system consists of: