A randomized 100 question test from a pool of 1236 questions, good luck!
Choose the answer below that has the words in order to correctly fill in the blanks. "A per unit volume of free electrons that is _______, offers ______ resistance to current"
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
8 coulomb of charge requires how many electrons?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
Of the terms below, what is "Power" measured in?
(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?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type M tube type typically have?
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 as having a blind and a spacer together in one assembly?
Newton's second law is also known as?
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 0-9 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
What is the SI unit of force?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?
The equation to compute mechanical advantage is which one of the below?
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
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?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
Solve for the hypotenuse.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
Calculate the density of a substance that has a mass of 9.8 kg and is contained in a space that has a volume of 0.00756 m³
State the number 7.428 using scientific notation and round the answers to three significant digits.
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
The CEC generates a dust grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would metallic, hazardous dust belong to?
(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?
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type L tube type typically have?
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 type of cell is a lithium constructed battery?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run insulated impulse lines to location?
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:
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
(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 3 tubes together?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
"An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force." is a description of which one of Newton's laws?
Which type of valve is pictured below?
This pressure to force converter device is used in situations where space is limited?
If a closed tank is pressurized to 12 psig and the pressure gauge at the bottom of the tank reads 56 psig, what head (in meters) of a liquid with a R.D. of 0.75 is contained in the tank
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
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?
The volume of a cylinder is calculated with which correct equation?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
(310105i) Any solid has inherent properties associated with it. which of the tests below refers to the application of force to a material and measures the specimen's response to the stress.
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, fuse and an interlock?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a maximum of 1.2 volts it can develop or contain?
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
Which term can be defined as the pressure measured from absolute zero?
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms 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 Zero?
Which of the terms below is measured in "Joules"
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as a refinement in a measurement?
"A two ratios that are equal in an equation." is a description of which mathematical term?
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?
There are two very common types of metric vernier calipers. If the caliper that you are using has 1mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
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 0-14 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
In the fraction A/B. is B the numerator?
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."?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Solve for x: (3)(5)+9=x
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 smallest diameter of the thread?
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?
Of the answers below, which one is a disadvantage of a Pinch valve?
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.
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.
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run cable to location?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
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
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
What pressure in Kpa is required to produce a force of 17650 lbs. when applied to a diaphragm actuator with a radius of 5 inches?