A randomized 100 question test from a pool of 1236 questions, good luck!
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
What is the smallest charged particle?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would a "hose test" pass be required?
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 three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
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?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
1 mechanical, or imperial, horsepower is equal to which of the below?
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
If tool crib attendant has 8 boxes of fittings, and one person takes 1 3/4 boxes, and another person takes 3 4/5 boxes, and another person brings back 2 1/4 boxes, how many boxes remain?
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
The prefix "giga" can be expressed as?
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
From the information given in the diagram below, what is the current flowing on branch R2?
Express ³²⁄₄₄ as a percent.
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 symbol for resistance is which of the below?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
A "wheel and axle" is an example of which type of machine?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
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?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
Using the Pythagorean Theorem solves for which mathematical term?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
The volume of a sphere is calculated with which correct equation?
8 coulomb of charge requires how many electrons?
There are several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
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 "A" in the picture below?
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
(310101c) For higher working pressures, generally the wall thickness of tubing will increase. Which of the answers below would best relate to the effect of a tube's increased wall thickness?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measurement that compares the amount of matter an object has to compared its volume.
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would positively pressurized equipment be primary used?
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."?
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
What provides the seal on the valve stem to prevent leakage of the process?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
(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?
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 3.5 cm and the effective area of the diaphragm is 0.05 m^2
There are several different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
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 "⅜" refer to?
There are several different types of scribers used in industry. Which of the scribers below best represents the following picture?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
When making a span adjustment, what is the first adjustment made?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 45 lbf?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
"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?
If a closed tank is pressurized to 15 psig and the pressure gauge at the bottom of the tank reads 36 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank
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?
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 0-14 meters. What is the fluid level if the transmitter signal is 35 kPa
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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Which term can be defined as the pressure measured from absolute zero?
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
Which type of valve is pictured below?
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
The volume of a cylinder is calculated with which correct equation?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
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?
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 pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
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?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
What is the formula that the pneumatic relays amplification or gain is expressed by?
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve coating the iron tip with a small amount of solder?
Convert 18.5 psi into inches W.C.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
Convert 88 PSI to kPa
"A triangle in which all three sides are equal." is a description of which mathematical term?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a O-ring seal style fitting?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run cable to location?
(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??
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
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?
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where actuator energy is carried to an FCE?
Which of these pressure to force converters has two diaphragms soldered together?