A randomized 100 question test from a pool of 1236 questions, good luck!
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standards set for employers?
746 Watts is equal to which of the terms below?
The CEC generates a air grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Propane belong to?
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?
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
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?
"An electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance." is the best description of which of the terms below?
When taping a blind that does not go through the metal, the proper steps to tap it are:
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
Of the answers below, which one is a disadvantage of a Pinch valve?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the amount of work done in 15 mins by a 45 hp motor?
(310102g) Energy is lost due to undesirable resistance in any circuit. Which of the terms below refers to the power that is lost in a conductor during the transmission phase?
What are the two main systems of negative feedback?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
"An element or device which receives information in the form of 4-20 mA and coverts it to information in the form of 3-15 psig." is the best description of which of the terms below?
A _________ has the air connection usually above the diaphragm
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
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 average velocity of the car?
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a O-ring seal style fitting?
(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?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
(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 circuits that are isolated?
Factors affecting induced voltage include:
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the short circuit current?
The prefix "Mega" can be expressed as?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
Of the terms below, what is "Work" measured in?
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?
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 3-15 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
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
(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?
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?
(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 Class 1 circuits that are controlled remotely?
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?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
The point when increasing current will not increases magnetism in an electromagnet is call?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, ensuring each source of energy to the work area has it's own isolation, would be which of the steps below?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
Which term can be defined as the pressure measured from absolute zero?
One coulomb is equal to how many electrons?
The outermost shell of an atom is called the valence shell.
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "a localized electric current induced in a conductor by a varying magnetic field."?
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"
Calculate the force in pounds which will be developed when a liquid pressure of 76 lbs/in² is applied to an area of 54 in².
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
The area of a circle is calculated with which correct equation?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
Newton's third law is also known as?
(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?
To perform a "Zero" adjustment the order of step(s) is/are?
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?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R3?
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
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?
The volume of a sphere is calculated with which correct equation?
When making a span adjustment, what is the first adjustment made?
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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
If a closed tank is pressurized to 16 psig and the pressure gauge at the bottom of the tank reads 31 psig, what head (in meters) of a liquid with a R.D. of 0.37 is contained in the tank
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?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
ESD is a major issue for the failure of electrical components. Which of the answers below would best represent the minimum discharge voltage that could damage electrical equipment?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
The symbol for a amperes is which of the below?
(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??
Of the terms below, what is "Power" measured in?
What is the purpose of the PTC switch in a lithium battery?
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?
The equation to compute mechanical advantage is which one of the below?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
What is the name of the tool used to cut internal threads after drilling a hole?
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 method that attempts to physically separate or isolate the electrical parts or hot surfaces from the explosive mixture."?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are several different types of carbon steel in any piping system. Which of the types below would have a 0.3-0.6% carbon content?
What does the term "Cv" represent in calculating pressure drop?
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?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
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
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
Calculate the gain when a change from 0.85 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 18 psig in the relay output occurs.
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?
There are many terms for specific electrical components. Which of the components below is best described as a passive electronic component that stores energy in the form of an electrostatic field?
The basic unit of matter is called?