A randomized 100 question test from a pool of 1236 questions, good luck!
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?
From the information given in the diagram below, what is the voltage across each resistor?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would a "hose test" pass be required?
In industry, electrostatic hazards are very important to understand. Which of the answers below correctly identifies an work station that has an anti-static mat on it?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "J" as a of measurement?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is Amperes of the circuit?
What is the purpose of the PTC switch in a lithium battery?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
The ability of a material to concentrate magnetic lines of force within a material is called?
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?
"Two external forces acting on an object or surface that are not in opposition of each other;" is a description of what type of stress?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
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 0-15.5 meters. What is the fluid level if the transmitter signal is 78 kPa
"A triangle in which all three sides are equal." is a description of which mathematical term?
(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?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
(310101c) When ordering a GP copper tubing size, it has to be precise. Which of the measurements below would be used for ordering copper tube?
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "C"?
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?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
What pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
Gauge pressure is calculated by?
Of the terms below, what is "Work" measured in?
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 displacement of the car?
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
(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?
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
5 coulomb of charge require how many electrons?
From the information given in the diagram below, what is the voltage drop over R3, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
(310104a)There are numerous components to a valve. Which of the components below would best be referred to as a seal for the static portion of the valve against leakage?
The standard unit of conductance is which of the below?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
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?
What is the formula that the pneumatic relays amplification or gain is expressed by?
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
If a pressure change of 20 kPa to 90 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 5.5 cm and the effective area of the diaphragm is 0.065 m^2
"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?
The prefix "Mega" can be expressed as?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
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?
Solve for the missing angle.
Angle motion negative feedback system consists of:
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
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 distance from the crest of one thread to another crest measured along the length of the thread?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
(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 signal circuits that are considered Class 1?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends offset and one pipe connector?
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.
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
(310101c) For higher working pressures, generally the wall thickness of tubing will increase. Which of the answers below would best relate to the effect of a tube's increased wall thickness?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
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?
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?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
What is the SI unit of force?
When selecting a hammer to use, what would "weight of head" help determine?
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
Express ³²⁄₄₄ as a percent.
What are the three main elements of a regulator?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
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?
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?
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"
"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?
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends in line and one pipe connector?
When used to cut mild steel. what is the recommended angle for a cold chisel?
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
(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, prior to any work, the administrative procedures to be in place?
The equation to compute mechanical advantage is which one of the below?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
To alter the pressure setting on a regulator what element would you adjust?
Solve for the hypotenuse.
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
State the number 479.3 using engineering notation and round the answers to three significant digits.