A randomized 100 question test from a pool of 1236 questions, good luck!
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
Choose the correct order of mathmatical operations.
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?
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."?
What are the two main systems of negative feedback?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups 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?
What is the main purpose of valve positioners?
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
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
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "that at the same temperature and pressure, equal volumes of all gases contain the same number of molecules."?
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 resistance to an open circuit?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
What is the formula that the pneumatic relays amplification or gain is expressed by?
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
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.
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."?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
There are several grades of iron and steel. Which of the answers below best represents a material that is extremely brittle because of it's high carbon content?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
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 displacement of the car?
"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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
If a closed tank is pressurized to 12 psig and the pressure gauge at the bottom of the tank reads 56 psig, what head (in meters) of a liquid with a R.D. of 0.75 is contained in the tank
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
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.
"Is not designed for continuous occupancy, and has limited or restricted means for entry or exit." This statement best describes which of the following terms?
convert 4 ⁴⁄₁₁ to an improper fraction.
(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 "R"?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
There are many different types and styles of tubing in industry, but they can all be grouped into categories. Which of the answers below best represents all of the categories of tubing?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
What type of fire extinguisher can have a large tapered nozzle?
Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
The area of a circle is calculated with which correct equation?
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Materials with five or more electrons in their valence shell are considered what?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
The prefix "Centi" can be expressed as?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
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?
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
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?
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the voltage delivered to the field device?
Which type of valve is pictured below?
A 2000 kg train is traveling east with a speed of 25 km/h. Determine the mass of a truck travelling at 15 km/h would have to have to be travelling at the same momentum.
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
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?
The circumference of a circle is calculated with which correct equation?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most able to discharge loads at high rates for an extended period of time?
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
Which type of pilot valve has one supply connection and two output connections?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described a a device that produces linear motion from a source of power to control the flow of .energy of a process?
In the fraction A/B. is B the numerator?
"A characteristic where flow capacity increases linearly with valve travel. Flow is directly proportional to valve travel." is the best description of which of the terms below?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
(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 require constant replacement?
14.696 psia is equal to?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
There are many electrical terms that have symbols to describe them in equations. Which of the terms below is best referred to as "Ꜫᵣ" in an equation?
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the description of which mathematical term?
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
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?
"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?
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?
(310102n) The Canadian Electrical code (CEC) encompasses all standards for electrical/instrumentation work. Which of the sections of that code below would relate best to signal circuits that are considered Class 2?
From the information given in the diagram below, what is the voltage across each resistor?
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 CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
"The results of a devices inelastic quality" is a definition of which term?
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
60% of 54 is what?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."