A randomized 100 question test from a pool of 1236 questions, good luck!
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?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
What is the name of the tool used to cut internal threads after drilling a hole?
There are many terms for specific electrical components. Which of the components below is best described as a passive electrical component with the primary function to limit the flow of electric current?
The basic unit of matter is called?
(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?
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?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
Convert 0.625 to a fraction.
convert 4 ⁴⁄₁₁ to an improper fraction.
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
Gauge pressure is calculated by?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
The ratio 3.4:2.5 equal to?
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 "i" equipment can withstand?
(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 tubing to piping?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
Convert the following quantities to the units asked for: 27000 seconds to hours.
Find the volume in meters cubed of a cylindrical tank that has a radius of 2.4 m and a length of 1.2 m.
To preform a "Span" adjustment the order of the step(s) is/are?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
In the SI system, the unit for time is?
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 10, but less than 1000 hours a year?
"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?
What is the SI unit of pressure?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill AER requirements at royalty trigger points for natural gas?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
When a pressure of 15 psi is applied to a diaphragm actuator with a diameter of 18 cm, what is the force in Newtons (N) that is created?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
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?
(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?
(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?
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
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
Which type of pilot valve has one supply connection and two output connections?
There are several different types of scribers used in industry. Which of the scribers below best represents the following picture?
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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
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?
In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
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 fluid level if the transmitter signal is 35 kPa
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
A tank contains a liquid that has a R.D. = 1.15. The depth of the liquid is 6.7 meters. What is the pressure in kPa at the base of the tank?
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
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?
"A whole number and a fraction combined into one number", is a description of which type of fraction?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the relationship between the volume and temperature in a fixed mass of gas."?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
If a closed tank is pressurized to 105.345 kPa and the pressure gauge at the bottom of the tank reads 198.456 kPa, what head (in feet) of a liquid with a R.D. of 0.11 is contained in the tan
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
What is the gain if nozzle backpressure changes from 1.35 psig up to 2.5 psig, and the relay output changes from 4 psig to 17 psig?
Calculate the relative density for a fluid that has a density of 748 kg/m³
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
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 series circuit what percentage of the applied voltage would appear across an open circuit?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
(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??
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
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 inside the magnet?
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
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?
From the information given in the diagram below, what is the current flowing on branch R1?
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 rigging in general?
With a direct acting actuator, as air pressure increases:
(310104b)There are many different valves to be used for different processes. Which of the valves below would best be used in a high pressure process?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would move as the direct result of the rotation of the torque shaft?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
What is the smallest charged particle?
There are many studies on how pressure and force affect fluids. "Container shape does not affect fluid pressure." is one of the principles of which answer below?
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?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
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?
There are several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?