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Instrumentation: FIRST PERIOD

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

What are the three areas of WHMIS?
From the information given in the diagram below, what is the voltage drop over R1, 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 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
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
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."?
To move 225 C across two points. when the voltage is 45 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 "3" in the picture below?
65% of 765 is equal to?
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?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
Pick the answer that will fill the blank. "_______ of the voltage would appear across the open circuit in a ______ circuit."
What is the name of the part of a drill bit that gets fitted into the drill spindle?
How is the term "Cv" calculated?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
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 metal conduit and cable tray?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
The volume of a sphere is calculated with which correct equation?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
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?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
(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?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type ACR tube type typically have?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve having the solder flow toward the heat over the joint?
Newton's first law is also known as?
Which term can be defined as the pressure measured from absolute zero?
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 pressure adjustment/verification be?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would generally not be used to protect current electronic instrumentation?
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Which pilot valve has two common supply connections, and two connections for output?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
convert 56.7 psi to kPa.
Lifting a load with rigging is an involved and potentially dangerous task. When working with slings, which of the angles below is the commonly used safe lifting angle?
There are many terms for specific electrical components. Which of the components below is best described as a passive electronic component that stores energy in the form of an electrostatic field?
The desiccant head adsorbes water vapour due to which?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?
True force balance negative feedback system consists of:
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be to used in squaring the drive arm and link as well as the range arm?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
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?
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
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
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?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a flame-proof enclosure?
(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?
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 decrease in resistive load?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly fill the blank in the statement, "The generation of an electrostatic charge is ________ in conditions that are humid?"
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
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?
There are many studies on how pressure and force affect fluids. "Horizontal runs do not increase pressure." is one of the principles of which answer below?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
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?
The supplier label:
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
There are several different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
If a pressure change of 20 kPa to 60 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.09 m^2
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate across an orifice plate?
101.325 kPa is equal to?
This pressure to force converter device is used in situations where space is limited?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
"An element or device which receives information in the form of 4-20 mA and coverts it to information in the form of 3-15 psig." is the best description of which of the terms below?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
To alter the pressure setting of a regulator, you would adjust what?
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?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of removing oxides and sulfides as well as refining the grain of the steel?
There are two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
(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?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on it??
"A whole number and a fraction combined into one number", is a description of which type of fraction?
1 kPa is equal to _____ psi
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
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 as having a blind and a spacer together in one assembly?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
1 pound force is equal to
Solve for the missing side.
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. what is the voltage drop over R2
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
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
Electromagnetism is a property of electrical charges moving through materials. Use one of the answers below to correctly fill in the blanks of the following sentence, "A magnetic fields strength in close proximity to conductor is _________ to the amount of current flowing through it."
What are the three main elements of a regulator?