A randomized 100 question test from a pool of 1236 questions, good luck!
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, fuse and an interlock?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
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 at the open end of a process pipe?
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?
What is the SI unit of pressure?
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?
Which are the two major categories of pressure regulators?
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?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
ESD is a major issue for the failure of electrical components. Which of the answers below would best represent the minimum discharge voltage that could damage electrical equipment?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" 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 through the side wall of an enclosure?
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?
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?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
What are the 2 major parts of a control valve?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that allows the additional measurement of differential and static pressures?
There are several terms that are used to describe the features of a particular thread type. Which of the answers below would best describe the "³⁄₁₆" in the bolt designation ³⁄₁₆-12 UNF x 6?
The industry committee network is made up of three bodies. Which of the bodies below acts as a link between the AIT Board and the LACs?
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 prefix "Centi" can be expressed as?
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
"A hazard within the workplace that can harm the body without necessarily touching it. Vibration and noise are examples of this type of hazards." This statement best describes which of the following hazard groups?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as a refinement in a measurement?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
Calculating absolute pressure is achieved by?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
One coulomb is equal to how many electrons?
Lenz Law states:
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
The symbol for resistance is which of the below?
A true force balance negative feedback system is a motion balance system?
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?
There are many terms associated with "Energy". Which term below is correctly described as, "done on an object when an applied energy moves it through a distance"?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
The two main functions of a negative feedback system are:
The equation to compute mechanical advantage is which one of the below?
Matter that is compose of only one atom is called what?
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?
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."?
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
"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?
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
(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??
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
Using the Pythagorean Theorem solves for which mathematical term?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
When allowing power to flow to a device, purging may be required beforehand. Which of the answers below best represents the complete volumes of air with positive pressure?
(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
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
A moment balance negative feedback system is a motion balance system?
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?
(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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "C"?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, isolating all sources of energy to the work area would be which of the steps below?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
If a closed tank is pressurized to 101.345 kPa and the pressure gauge at the bottom of the tank reads 130.456 kPa, what head (in feet) of a liquid with a R.D. of 0.45 is contained in the tank
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
State ⁶⁵⁄₁₄ as a mixed fraction.
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?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to a flame-proof enclosure?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Calculate the force in pounds which will be developed when a liquid pressure of 76 lbs/in² is applied to an area of 54 in².
The prefix "Milli" can be expressed as?
(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 be leak-proof at any temperature or pressure
If a tool increases from $43 to $76, what is the percentage increase?
In any intrinsically safe loop there are several main items that are vital to the loop. Which of the answers below contains those items?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
"Two angles that add to 180 degrees," is a description of which mathematical term?
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?
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?
When an atom gains an electron, it is commonly referred to as which of the below?
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?