A randomized 100 question test from a pool of 1236 questions, good luck!
From the information given in the diagram below, what is the current flowing on branch R2?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
From the information given in the diagram below, what is the voltage drop over R3, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
(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, prior to any work, the administrative procedures to be in place?
Convert ⅘ to a decimal.
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
Oxygen is a vital component of the combustion process. Which of the answers below best describes the effects of combustion if an amount of gas and oxygen are equal in volume?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe has the diameter doubled, which of the answers below would be the result?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for receiving an output signal and converting that into a PV value?
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?
convert 4 ⁴⁄₁₁ to an improper fraction.
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
The trigonometric ratio of sine is calculated with which mathematical equation?
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 visual indicator only?
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
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"?
A 2000 kg train is traveling east with a speed of 25 km/h. Determine the mass of a truck travelling at 15 km/h would have to have to be travelling at the same momentum.
Materials with four electrons in their valence shell are considered what?
The area of a circle is calculated with which correct equation?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between metal conduit and cable tray?
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
When selecting a hammer to use, what would "weight of head" help determine?
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"?
Heat is based on the movement of molecules. Which of the answers below correctly fills the blank in the following sentence, "Temperature is the measurement of the average _________ of the movement of molecules."
There are some terms that are associated with capacitors. Which of the terms below is defined as the permittivity of a given material relative to that of the permittivity of a vacuum.
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
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?
Matter that is compose of only one atom is called what?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
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?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics 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?
In relation to hacksaws, "pitch" is referred to as?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
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
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?
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
There are several advantages and limitations to installing a zener 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 name of the part of a drill bit that gets fitted into the drill spindle?
From the information given in the diagram below, what is the current flowing on branch R1?
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
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.
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of traps dissolved oxygen and enhancing casting characteristics?
In the SI system, the unit for length is?
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 letter "A" in the picture below?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
The main function of a valve positioner is which of the below?
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?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Ethylene belong to?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
Chart recorders have some specialized applications in industry. Which of those applications would best make use of the multiple temperature inputs available?
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 final velocity of the car?
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 only?
Convert 0.875 to a fraction.
Which of the valves below would be used for isolation on each side of a control valve?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area with easily ignitable fibers or flyings, but the concentration of these fibers or flyings are not in quantities that would produce ignitable mixtures?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
(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?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
Proper choices need to be made with the mounting of instruments. Which of the answers below would be a disadvantage of a instrument stand that has a cable mount?
"A triangle where one of its interior angles is 90 degrees." is a description of which mathematical term?
A battery has a rating of 80Ah, this means it can supply
(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 of less that 50V circuits?
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
Of the terms below, what is "Power" measured in?
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 decrease?
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
Pick the answer that will fill the blank. "_______ of the voltage would appear across the open circuit in a ______ circuit."
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
Convert the following quantities to the units asked for: 4572 cm to yards.
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?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
What is the name of the tool that is used on round stock to cut external threads?
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?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
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?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be referred to as a "Van Stone" flange connection?
If angle "Y" is equal to 28 degrees, solve for angle "X"
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
To alter the pressure setting of a regulator, you would adjust what?