A randomized 100 question test from a pool of 1236 questions, good luck!
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?
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "R"?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
(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 a resistor with a larger one in a simple circuit?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
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 desiccant head adsorbes water vapour due to which?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R1?
(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?
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 7.5 cm and the effective area of the diaphragm is 0.02 m².
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
What type of flux is generally used the most in electronic soldering?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
There are many terms associated with "Energy". Which term below is correctly described as, "done on an object when an applied energy moves it through a distance"?
What is the smallest charged particle?
A multi-wheel cutter is used when
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 blocks any excess voltage from gaining access to a hazardous area?
(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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
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:
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
"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 several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
"Hydrostatic" pressure is sometimes referred to as
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 law of electrical charges states that like charges attract one another, an unlike charges repel one another.
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?
When allowing power to flow to a device, purging may be required beforehand. Which of the answers below best represents the complete volumes of air with positive pressure?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
Convert 16.5 psi into kPa
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?
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?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
When taping a blind that does not go through the metal, the proper steps to tap it are:
If a closed tank is pressurized to 16 psig and the pressure gauge at the bottom of the tank reads 31 psig, what head (in meters) of a liquid with a R.D. of 0.37 is contained in the tank
One coulomb is equal to how many electrons?
"An electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance." is the best description of which of the terms below?
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
With a direct acting actuator, as air pressure increases:
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
Which of these pressure to force converters has two diaphragms soldered together?
The supplier label:
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
(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?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a moment balance negative feedback system in the creation of an output signal?
The perimeter of a rectangle is calculated with which correct equation?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
Lenz Law states:
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
Of the terms below, what is "Power" measured in?
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen arc adjustment/verification be?
1 kPa is equal to _____ psi
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the enclosures inlet airflow rate be measured for purging times?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to depth." is one of the principles of which answer below?
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
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 average velocity of the car?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
The outermost shell of an atom is called the valence shell.
The ability of a material to concentrate magnetic lines of force within a material is called?
The two main functions of a negative feedback system are:
Which type of pilot valve has one supply connection and two output connections?
In the SI system, the unit used for mass is?
(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?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
Covert 3 ⅘ to an improper fraction
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
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
(310104a) There are numerous components to a valve. Which of the components below would best be referred to as a gland that seals the dynamic portion of the valve against leakage?
"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?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
60% of 54 is what?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
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.
What are all the variables that can be measured when dealing with gases?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below would best be described as,"the measure of the intensity of the force imposed on this object by the local gravitational field"?