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Instrumentation: FIRST PERIOD

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

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?
Which organization sets standards for boots and safety glasses in Canada?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
Express 60% as a reduced fraction.
Covert 34.5 kPa to psi.
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
What is usually referred to when loading an ammeter?
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 formula that the pneumatic relays amplification or gain is expressed by?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
The circumference of a circle 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 slowly heated and cooled providing a soft flexible result?
(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?
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 method that attempts to physically separate or isolate the electrical parts or hot surfaces from the explosive mixture."?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for less than 10 hours a year?
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?
State the number 479.3 using engineering notation and round the answers to three significant digits.
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "is the pressure required to liquefy a gas at its critical temperature."?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
There are two very common types of metric vernier calipers. Which of the answers below best represents the minimum accuracy of a metric Vernier caliper?
What are the two main systems of negative feedback?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
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?
(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 tubing to piping?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
"A quantity, such as mass, length, or speed, that is completely specified by its magnitude and has no direction." is a description of which mathematical term?
Calculate the normal force exerted by an object that has a mass of 6732 grams
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
In the SI system, what is the fundamental hydrostatic pressure equation
What type of cell is a lithium constructed battery?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
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?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as the number of magnetic lines of flux that pass through a certain point on a surface?
(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 government agencies?
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
There are some options when deciding to lower the classification of a hazardous atmosphere within an enclosure. Which of the methods below would be the best method for the removal of a hazardous gas?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
The ability of a material to concentrate magnetic lines of force within a material is called?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, ensuring each source of energy to the work area has it's own isolation, would be which of the steps below?
Solve the equation:(4)(5)+4
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
(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?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
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."?
60% of 54 is what?
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 increase?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 1 to a Class I, Zone 2?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
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?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
When taping a blind that does not go through the metal, the proper steps to tap it are:
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
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?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
(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?
Newton's second law is also known as?
A battery has a rating of 80Ah, this means it can supply
"Which of the electrical terms below can be best described as "consisting of one or more electrochemical cells, which transform stored chemical energy directly into electrical energy."
(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?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
A standard pipe size chart will have piping up to 24". At which pipe size does the OD in inches, match the NPS in inches?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in 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?
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?
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
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 final velocity of the car?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
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?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
If a closed tank is pressurized to 114.345 kPa and the pressure gauge at the bottom of the tank reads 165.456 kPa, what head (in feet) of a liquid with a R.D. of 0.83 is contained in the tan
If a closed tank is pressurized to 14 psig and the pressure gauge at the bottom of the tank reads 30 psig, what head (in meters) of a liquid with a R.D. of 0.87 is contained in the tank
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?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
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?
Lenz Law states:
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
(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??