A randomized 100 question test from a pool of 1236 questions, good luck!
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?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
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.
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 "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
There are many different types and styles of tubing in industry, but they can all be grouped into categories. Which of the answers below best represents all of the categories of tubing?
Of the valves below, which would be best for erosive service?
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?
What are all the variables that can be measured when dealing with gases?
What is the formula to calculate Hydrostatic peressure
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial absolute temperature scale?
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
Which term can be defined as the pressure measured from absolute zero?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
This valve is primarily used in slurry service and is not over 8 inch in general
Solve the equation:(4)(5)+4
Solve for the hypotenuse.
A moment balance negative feedback system is a motion balance system?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is Amperes of the circuit?
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
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?
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?
The equation to calculate density is?
The symbol for a voltage source is which of the below?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be to used in squaring the drive arm and link as well as the range arm?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
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"
The perimeter of a rectangle is calculated with which correct equation?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe a thread with a 16 TPI?
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?
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
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?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
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 many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
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?
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
What provides the seal on the valve stem to prevent leakage of the process?
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
Convert ⅘ to a decimal.
There is a safe ratio for the use of extension ladders. If there is a ladder extending 18 ft vertically, how far from the wall should the base of the ladder be?
What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet
An instrument technician sometimes has to do calibrations while the process is still running. Which of the terms below identifies a calibration done on a live process?
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
"The results of a devices inelastic quality" is a definition of which term?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would a "hose test" pass be required?
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?
Circular chart recorders have several specific accessories. Which of the accessories below would use an ambient compensation capillary?
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?
"Two angles that add to 180 degrees," is a description of which mathematical term?
Hysteresis can only be calculated.
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
Which of the terms below is measure in "watts"
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?
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?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
State ⁶⁵⁄₁₄ as a mixed fraction.
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
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?
(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?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that conditions signals received or transmitted to a hazardous area
Magnets have been classified into two distinct groups. Which of the answers below is best described as an electromagnet which only retains magnetism when an electrical current is running through it?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
Convert 16.5 psi into kPa
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
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?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
Matter that is compose of only one atom is called what?
Which of the following measurements cannot be performed by a sliding caliper?
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described a a device that produces linear motion from a source of power to control the flow of .energy of a process?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
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?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
Worker education is the responsibility of the:
What is the name of the tool used to cut internal threads after drilling a hole?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as Zone 2?
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."?
From the information given in the diagram below, what is the voltage drop over R2, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
