A randomized 100 question test from a pool of 1236 questions, good luck!
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
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?
1 pound mass is equal to?
From the information given in the diagram below, what is the current flowing on branch R1?
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?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
Linear motion negative feedback system consists of:
"A quantity, such as mass, length, or speed, that is completely specified by its magnitude and has no direction." is a description of which mathematical term?
The best description for "Span error" in relation to calibrating instruments is which of the following?
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
Of the terms below, what is "Power" measured in?
Ohm's law states that:
There are several different ways to apply force to an actuator. Which one of the methods below would have the highest pressure transmission rate during operation?
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?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
The symbol for resistance is which of the below?
(310103f)There are several methods for measuring process variables. Which of the transmitters below would use cavities filled with oil used as a dielectric in the creation of an output signal?
(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 it with a larger one in a simple circuit?
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?
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 elevators used by the public?
State ⁶⁵⁄₁₄ as a mixed fraction.
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
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
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?
The result of a _______ actuator is installed with a ________ valve will be air-to-close
"Is not designed for continuous occupancy, and has limited or restricted means for entry or exit." This statement best describes which of the following terms?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
State the number 7.428 using scientific notation and round the answers to three significant digits.
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
Convert 18.5 psi into inches W.C.
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
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?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a flame-proof enclosure?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
Matter that is compose of only one atom is called what?
What type of flux is generally used the most in electronic soldering?
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
34.450 in engineering notion is what?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
Convert ¹⁰⁄₁₅ to a decimal.
With respect to pressure drop, which control; valve has "high" recovery characteristics?
State the number 13487000 using scientific notation and round the answers to three significant digits.
(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?
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.
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
The symbol for a amperes is which of the below?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
The prefix "Kilo" can be expressed as?
If a closed tank is pressurized to 103.345 kPa and the pressure gauge at the bottom of the tank reads 145.456 kPa, what head (in feet) of a liquid with a R.D. of 0.37 is contained in the tank?
An I/P transducer is a positioner.
The area of a circle is calculated with which correct equation?
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
From the information given in the diagram below, what is the voltage drop over R4, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
If a closed tank is pressurized to 15 psig and the pressure gauge at the bottom of the tank reads 36 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank
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?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as the number of magnetic lines of flux that pass through a certain point on a surface?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
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?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Which type of pilot valve has one supply connection and two output connections?
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
"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?
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
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?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve coating the iron tip with a small amount of solder?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for suppliers?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
How many electrons does 134.5 x 10¹⁹ 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?
Convert 0.125 to a fraction.
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
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?
The ability of a material to concentrate magnetic lines of force within a material is called?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
If a closed tank is pressurized to 18 psig and the pressure gauge at the bottom of the tank reads 39 psig, what head (in meters) of a liquid with a R.D. of 0.76 is contained in the tank
"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 galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
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?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
What is the name of the tool used to cut internal threads after drilling a hole?