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Instrumentation: FIRST PERIOD

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

Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
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?
The ability of a material to concentrate magnetic lines of force within a material is called?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
(310102g) Energy is lost due to undesirable resistance in any circuit. Which of the terms below refers to the power that is lost in a conductor during the transmission phase?
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 law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
"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?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
To perform a "Zero" adjustment the order of step(s) is/are?
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 a physical barrier between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
"The results of a devices inelastic quality" is a definition of which term?
"An electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance." is the best description of which of the terms below?
Interpretation and use of correct installation standards is vital to the success of an instrument technician. Which of the associations below have set out the standards that must be followed?
What type of fire extinguisher can have a large tapered nozzle?
Angle motion negative feedback system consists of:
The trigonometric ratio of tangent is calculated with which mathematical equation?
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 visual indicator only?
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?
1 pound mass is equal to?
There are several different ways to apply force to an actuator. Which one of the methods below would a pneumatic source of air not be required for operation?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the relationship between the volume and temperature in a fixed mass of gas."?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
Convert 0.625 to a fraction.
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
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?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
Which are the two major categories of pressure regulators?
(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?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
What type of flux is generally used the most in electronic soldering?
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 only?
Proper choices need to be made with the mounting of instruments. Which of the answers below would be a disadvantage of a instrument stand that has a cable mount?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
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?
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
Which of the valves below would be used for isolation on each side of a control valve?
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device 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 6 cm diameter filled with gas?
There are several different types of scribers used in industry. Which of the scribers below best represents the following picture?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
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 rigging in general?
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?
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
A lithium cell can produce about _____ times the voltage of an alkaline cell.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
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?
"The heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
Due to a lengthy transmission distance a control valve is responding slowly. The device that would improve the response speed of the valve would be?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
State the number 479.3 using engineering notation and round the answers to three significant digits.
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power delivered by the battery?
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?
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would a thread-o-let welded to the process line be considered?
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
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?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
Newton's third law is also known as?
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?
State 3 ⅞ as a mixed fraction.
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?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
What are the two types of magnet?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
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?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
Scaffolds use is daily occurrence at most job sites. Any scaffold that is constructed must be designed to handle _____ times the potential load placed on it. Use that answers below to correctly fill in the blank.
(310105i) In a common stress diagram, there are several points that are noted. Which of the points below would best be described as a change in shape of a material at low stress that is recoverable after the stress is removed?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
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 Zone 2?