A randomized 100 question test from a pool of 1236 questions, good luck!
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
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?
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
To preform a "Span" adjustment the order of the step(s) is/are?
The basic unit of matter is called?
What are all the variables that can be measured when dealing with gases?
(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??
Convert ¹⁸⁄₅ to a decimal.
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
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?
There are many terms for specific electrical components. Which of the components below is best described as a passive electrical component with the primary function to limit the flow of electric current?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
Before allowing power to a device, it may be required to neutralize it's environment. Which of the methods below would best be described as a consistent positive pressure within an enclosure?
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?
The prefix "Micro" can be expressed as?
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?
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?
The main function of a valve positioner is which of the below?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to depth." is one of the principles of which answer below?
There are several parts to a drill bit. Which of the terms below best represents the part of a drill bit that is used to cut into materials?
The inert purge gases for GMAW and GTAW welding processes are non-toxic, but are still dangerous. In what situation below would these gases be a danger?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
"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?
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
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?
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?
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?
Isolate for"h" in the following equation y=(h-t)/r
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line current to an open circuit?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
8 coulomb of charge requires how many electrons?
Which type of pilot valve has one supply connection and two output connections?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a maximum of 1.2 volts it can develop or contain?
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
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 elevators used by the public?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
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 "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
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."?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "5"?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
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 "ib" equipment can withstand?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
What is the main purpose of valve positioners?
Of the terms below, what is "Work" measured in?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
(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 "wheel and axle" is an example of which type of machine?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
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?
Covert 34.5 kPa to psi.
(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?
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?
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
What pressure is exerted at the base of a tank that is 6.7 meters high, with a liquid that has a density of 1200 kg/m³?
What does the term "Cv" represent in calculating pressure drop?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
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?
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction inside the magnet?
1 pound mass is equal to?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
(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?
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?
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?
1 pound force is equal to
Express ³²⁄₄₄ as a percent.
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."?
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?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing hardness, but a reduction in ductility?
(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?
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
The two main functions of a negative feedback system are:
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
"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?