A randomized 100 question test from a pool of 1236 questions, good luck!
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
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
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?
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?
Which type of valve is pictured below?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
Solve for the missing angle.
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
(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 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?
Calculate the gain when a change from 0.85 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 18 psig in the relay output occurs.
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
There are electrical properties that are inherent to coils. Which of the answers below correctly identifies the properties that a coil possesses?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
Which of the following is not affected by a positioner?
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
Convert 18.5 psi into inches W.C.
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
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 0-15.5 meters. What is the fluid level if the transmitter signal is 78 kPa
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure audible alarm and fuse only?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
Solve for x: 45-200÷10=x
The radius of a circle is calculated with which correct equation?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
Of the adjustments below, which is the most common adjustment made?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
Convert the following quantities to the units asked for: 27000 seconds to hours.
From the information given in the diagram below, what is the current flowing on branch R3?
Matter that is compose of only one atom is called what?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
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?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
There are many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
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?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
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?
(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 through the side wall of an enclosure?
What is the term used to describe the total opposition to current flow in an AC circuit?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
The equation to compute mechanical advantage is which one of the below?
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."?
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
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 "SS" refer to?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for transporting workers?
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
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 "ia" equipment can withstand?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
(310102m) A capacitor's voltage decreases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full discharge in a typical capacitor?
"A two ratios that are equal in an equation." is a description of which mathematical term?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
Solve the equation:(4)(5)+4
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the description of which mathematical term?
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.
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "when the magnetic flux alternates from the internal molecular structure reversals, the result is the heating of the core and wasted energy."
Of the terms below, what is "Power" measured in?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
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?
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 numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
If a closed tank is pressurized to 134.345 kPa and the pressure gauge at the bottom of the tank reads 169.456 kPa, what head (in feet) of a liquid with a R.D. of 0.24 is contained in the tan
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?
The symbol for a voltage drop is which of the below?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction outside the magnet?
"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?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would convey the movement of the drive arm to the range arm?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(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 numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the outlet airflow rate be measured for purging times?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
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
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
Which of the following measurements cannot be performed by a sliding caliper?
State ⁶⁵⁄₁₄ as a mixed fraction.
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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?
State this fraction as a mixed fraction: ⁵⁵⁄₈.
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is referred to as "hard or rigid"?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
A pressure gauge at the bottom of a tank indicates a pressure of 7.9 psi. The relative density of the liquid is 0.87. What is the depth of the liquid in feet?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
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?