A randomized 100 question test from a pool of 1236 questions, good luck!
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
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 transporting workers?
Of the adjustments below, which is the most common adjustment made?
The volume of a cube is calculated with which correct equation?
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
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?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
In the fraction A/b, is A the denominator?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with immediate and serious toxic effects?
101.325 kPa is equal to?
Which pilot valve has two common supply connections, and two connections for output?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
(310104a)There are numerous components to a valve. Which of the components below would best be referred to as a seal for the static portion of the valve against leakage?
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?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
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?
Which type of valve is pictured below?
Which are the two major categories of pressure regulators?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
There are electrical properties that are inherent to coils. Which of the answers below correctly identifies the properties that a coil possesses?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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 short circuit current?
Convert ⅘ to a decimal.
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?
From the information given in the diagram below, what is the current flowing on branch R1?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
A moment balance negative feedback system is a force balance system?
In the SI system, the unit used for mass is?
If a closed tank is pressurized to 105.345 kPa and the pressure gauge at the bottom of the tank reads 198.456 kPa, what head (in feet) of a liquid with a R.D. of 0.11 is contained in the tan
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
A pneumatic level transmitter, with an output range of 20-100 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-9 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
(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??
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use capacitor plates in the creation of an output signal?
(310103f)There are several methods for measuring process variables. Which of the transmitters below would use cavities filled with oil used as a dielectric in the creation of an output signal?
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
(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 the installation of instruments in a hazardous location?
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 Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
A capacitor discharges it's voltage at a specific rate. How many tau are required for a capacitor to expend 99% of it's original voltage?
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 decrease?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a explosion-proof enclosure?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
(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??
Isolate for"h" in the following equation y=(h-t)/r
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
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?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
"A method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
5 coulomb of charge require how many electrons?
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
State the number 479.3 using engineering notation and round the answers to three significant digits.
"Two angles that add to 180 degrees," is a description of which mathematical term?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
(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 175 psi to mmW.C. Barometer is 99.6 kPa(a)
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
The volume of a sphere is calculated with which correct equation?
A pressure gauge at the bottom of a tank indicates a pressure of 7.9 psi. The relative density of the liquid is 0.87. What is the depth of the liquid in feet?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
(310102m) There are numerous electrical devices in a circuit. Which of the devices below can be best described as a passive two-terminal component used to store and release electrical energy?
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.
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
A moment balance negative feedback system is a motion balance system?
There are several different notations on a length of pipe. Which of the notations below would have the thinnest pipe wall?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Acetylene belong to?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the letter "C" in the picture below?
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
There are two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
65% of 765 is equal to?
(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?
"Any point on a circuit where two or more current flows meet or are split." is the best description of which of the terms below?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "SS" refer to?
Heat is based on the movement of molecules. Which of the answers below correctly fills the blank in the following sentence, "Temperature is the measurement of the average _________ of the movement of molecules."
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
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?
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 average velocity of the car?