A randomized 100 question test from a pool of 1236 questions, good luck!
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
(310105d) Heat is produced when friction occurs during motion. Which of the terms below correctly identifies the type of friction that produces of this heat?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
If a closed tank is pressurized to 114.345 kPa and the pressure gauge at the bottom of the tank reads 165.456 kPa, what head (in feet) of a liquid with a R.D. of 0.83 is contained in the tan
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
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
In any intrinsically safe loop there are several main items that are vital to the loop. Which of the answers below contains those items?
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?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
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?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
"An element or device which receives information in the form of 4-20 mA and coverts it to information in the form of 3-15 psig." is the best description of which of the terms below?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with immediate and serious toxic effects?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
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?
34.450 in engineering notion is what?
"The production of an electromotive force in one circuit by a change in current in a separate circuit." is the best description of which of the terms below?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
The outermost shell of an atom is called the valence shell.
(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 3 tubes together?
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?
What is the name of the tool used to cut internal threads after drilling a hole?
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
(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?
A moment balance negative feedback system is a motion balance system?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
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.
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
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?
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 purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
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?
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?
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?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 1 to a Class I, Zone 2?
There are a number of common parts to any valve. Which of the terms below would best be described as the object supplying the opening or closing motion of the valve?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
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 "A method that attempts to physically separate or isolate the electrical parts or hot surfaces from the explosive mixture."?
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
(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?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the difference between the highest and lowest error values
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen position adjustment/verification be?
Determine x if 5:16=x:128.
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
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
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 fluid level if the transmitter signal is 56 kPa
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
Convert 16.5 psi into kPa
Maintaining all of the required PPE within the manufactures guidelines and in good working order is the responsibility of the________." Choose from the following answers to fill the blank.
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
Convert ¹⁸⁄₅ to a decimal.
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
When an atom gains an electron, it is commonly referred to as which of the below?
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
If a pressure change of 20 kPa to 90 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 5.5 cm and the effective area of the diaphragm is 0.065 m^2
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
Gauge pressure is calculated by?
The volume of a cylinder is calculated with which correct equation?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
Faraday's law of induction states:
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would move as the direct result of the rotation of the torque shaft?
Determine the voltage V(bd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
The point when increasing current will not increases magnetism in an electromagnet is call?
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
(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 two very common types of metric vernier calipers. Which of the answers below best represents the minimum accuracy of a metric Vernier caliper?
"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?
There are several different notations on a length of pipe. Which of the notations below would have the thinnest pipe wall?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
When making a span adjustment, what is the first adjustment made?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Solve the equation:(4)(5)+4
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?
(310101c) When ordering a GP copper tubing size, it has to be precise. Which of the measurements below would be used for ordering copper tube?
"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?