A randomized 100 question test from a pool of 1236 questions, good luck!
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 distance from the crest of one thread to another crest measured along the length of the thread?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
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."?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
(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 circuits that are isolated?
"Two angles that add to 180 degrees," is a description of which mathematical term?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
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?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "is the pressure required to liquefy a gas at its critical temperature."?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
The volume of a sphere is calculated with which correct equation?
Isolate the following equation for "v": d=vt
The basic unit of matter is called?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
The symbol for a voltage source is which of the below?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
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?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
(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??
(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 cathodic protection?
(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?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
Solve for x: (3)(5)+9=x
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given area?
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?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
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 2 to non-hazardous?
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
The ability of a material to concentrate magnetic lines of force within a material is called?
(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?
Which are the two major categories of pressure regulators?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
Ohm's law states that:
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer below?
(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 maintenance of instruments in hazardous locations of instruments?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
What are all the variables that can be measured when dealing with gases?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "5"?
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?
If field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
(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?
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?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
What is the SI unit of pressure?
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 decrease in resistive load?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
What type of cell is a lithium constructed battery?
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
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?
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "6"?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would capillary or impulse line to the instrument be used?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
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?
The industry committee network is made up of three bodies. Which of the bodies below acts as a link between the AIT Board and the LACs?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
In the fraction A/b, is A the denominator?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
"This piece of legislation came into effect in 1915. This act deals primarily with compensation, medical aid and rehabilitation of a worker due to a job-related injury." Which of the answers below is best described by this statement?
The perimeter of a Triangle is calculated with which correct equation?
From the information given in the diagram below, what is the voltage drop over R1, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
When an atom gains an electron, it is commonly referred to as which of the below?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to a flame-proof enclosure?
Interpretation and use of correct installation standards is vital to the success of an instrument technician. Which of the associations below have set out the standards that must be followed?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
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."
The equation to calculate density is?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
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?
(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 Class 1 power circuits that are extremely low voltage?
Moment balance Negative feedback system consists of:
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
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?