A randomized 100 question test from a pool of 1236 questions, good luck!
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
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 current?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
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 "The amount of opportunities for the atoms of the conductor to affect current flow per linear unit"
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
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?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where no internal pressures need to be tolerated?
True force balance negative feedback system consists of:
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."
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 10, but less than 1000 hours a year?
Solve for the hypotenuse.
(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??
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?
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?
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?
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
From the information given in the diagram below, what is the voltage drop over R2, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
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?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
From the information given in the diagram below, what is the current flowing on branch R1?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
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?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
(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?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced it with a larger one in a simple circuit?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run insulated impulse lines to location?
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
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?
From the information given in the diagram below, what is the current flowing on branch R2?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
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?
The volume of a sphere is calculated with which correct equation?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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 and fuse only?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
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."
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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?"
Faraday's law of induction states:
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
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?
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?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
There are several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
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?
(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?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
If a closed tank is pressurized to 135.345 kPa and the pressure gauge at the bottom of the tank reads 172.456 kPa, what head (in feet) of a liquid with a R.D. of 0.14 is contained in the tan
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?
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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
A true force balance negative feedback system is a motion balance system?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
If a closed tank is pressurized to 103.345 kPa and the pressure gauge at the bottom of the tank reads 145.456 kPa, what head (in feet) of a liquid with a R.D. of 0.37 is contained in the tank?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
What is the name of the part of a drill bit that gets fitted into the drill spindle?
(310104b) Valve disassembling is a fundamental part of the Instrumentation trade. Which of the hazards below would be of primary importance to eliminate when disassembling a sliding stem actuator?
If a closed tank is pressurized to 16 psig and the pressure gauge at the bottom of the tank reads 31 psig, what head (in meters) of a liquid with a R.D. of 0.37 is contained in the tank
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 65 lbm?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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 outside the magnet?
(310103d) There are several different designs of regulator. Which of the loading element designs below would have to slowest response to changes in downstream pressures?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
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?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
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?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
The equation to compute mechanical advantage is which one of the below?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
The radius of a circle is calculated with which correct equation?