A randomized 100 question test from a pool of 1236 questions, good luck!
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
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?
(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 grounding of less that 50V circuits?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
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?
(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?
(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?
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 "0.036" refer to?
(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 tubing to piping?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
(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?
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?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate across an orifice plate?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Although there are numerous type of batteries, they all share a common construction. Which of the answers below contains all the required parts of a battery?
The perimeter of a Triangle is calculated with which correct equation?
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?
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.
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve ensuring contamination free parts and soldering tip?
1 mechanical, or imperial, horsepower is equal to which of the below?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
Determine x if 5:16=x:128.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Solve for the hypotenuse.
State the number 0.004675 using scientific notation and round the answers to three significant digits.
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?
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
Calculate the relative density for a fluid that has a density of 748 kg/m³
(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 grounding of transformer circuits for instruments?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
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?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
(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??
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 transmitter output signal if the fluid level is at 8.65 meters?
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
(310105i) Any solid has inherent properties associated with it. When measuring the force applied to the entire area of a solid, which of the answers below are you trying to measure?
There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
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 two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "J" as a of measurement?
(310105d) The output of an applied force uses is a measurable quantity. Which of the terms below would be use "W" as it's unit of measurement?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
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?
From the information given in the diagram below, what is the current flowing on branch R2?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
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.
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
A _________ has the air connection usually under of the diaphragm.
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 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?
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?
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
(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 many terms for specific electrical components. Which of the components below is best described as a passive electrical component with the primary function to limit the flow of electric current?
Which type of valve is pictured below?
How many electrons does 134.5 x 10¹⁹ represent?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area with easily ignitable fibers or flyings, but the concentration of these fibers or flyings are not in quantities that would produce ignitable mixtures?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
Which of the following is not affected by a positioner?
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
The symbol for a voltage drop is which of the below?
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
The best description for "Span error" in relation to calibrating instruments is which of the following?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
There are several different notations on a length of pipe. Which of the notations below would have the thinnest pipe wall?
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
When selecting a valve for a piping system, several factors must be considered. Which of the terms below can be correctly described by the statement, "Constitutes the pressure differential generated between two defined points through various ares of loss."
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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Moment balance Negative feedback system consists of:
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
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?
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.
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?
If heat is removed from a metal, does it contract?
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?
Labels are an important piece of the WHIMS structure. Which of the labels below would be used when damage occurs to the original supplier label?
Matter that is compose of only one atom is called what?
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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
What is usually referred to when loading an ammeter?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
State the number 0.003402 using decimal notation and round the answers to three significant digits.