A randomized 100 question test from a pool of 1236 questions, good luck!
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
The circumference of a circle is calculated with which correct equation?
What pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
From the information given in the diagram below, what is the current flowing on branch R1?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
Faraday's law of induction states:
The equation to compute mechanical advantage is which one of the below?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the floor of the container. Of the following answers, which gas would he be testing for?
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?
Which type of pilot valve has one supply connection and two output connections?
There are many different types and styles of tubing in industry, but they can all be grouped into categories. Which of the answers below best represents all of the categories of tubing?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be referred to as the ability to accept or resist an external force trying to deform it?
"_________ 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.
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?
Which type of valve is pictured below?
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
When taping a blind that does not go through the metal, the proper steps to tap it are:
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "A electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
What are all the variables that can be measured when dealing with gases?
(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 installation of cathodic protection?
5 coulomb of charge require how many electrons?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the 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?
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?
Which of the valves below would be used for isolation on each side of a control valve?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
Ohm's law states that:
What is the formula that the pneumatic relays amplification or gain is expressed by?
Isolate for "v" in the following equation: d=vt
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
Gauge pressure is?
1 kPa is equal to _____ psi
Convert 4 ⅞ to an improper fraction.
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
The perimeter of a square is calculated with which correct equation?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe a thread with a 16 TPI?
Which pilot valve has two common supply connections, and two connections for output?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
Of the answers below, which one is a disadvantage of a Pinch valve?
Which valve is used for corrosive slurries?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
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?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
"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?
(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?
A multi-wheel cutter is used when
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
Which of the laws below can be best described by the following statement, "The strength or intensity of an unvarying electric current is directly proportional to the electromotive force and inversely proportional to the resistance of the 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?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
The ability of a material to concentrate magnetic lines of force within a material is called?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
The Si unit for measuring force is the Newton. Which of the answers below is equal to an object that has a mass of 65830 g?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
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?
(310105i) In a common stress diagram, there are several points that are noted. Which of the points below would best be described as a change in shape of a material at low stress that is recoverable after the stress is removed?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
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
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
The main function of a valve positioner is which of the below?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
In any intrinsically safe loop there are several main items that are vital to the loop. Which of the answers below contains those items?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
Which of the terms below is measured in "Joules"
State ⁶⁵⁄₁₄ as a mixed fraction.
(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?
What is the SI unit of pressure?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 45 lbf?
(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?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the difference between the highest and lowest error values
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
Solve for the hypotenuse.
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be adjusted for any slight angularity issues?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
In the fraction A/b, is A the denominator?
Solve for the hypotenuse.
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing hardness, but a reduction in ductility?