A randomized 100 question test from a pool of 1236 questions, good luck!
Calculate the normal force exerted by an object that has a mass of 6732 grams
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?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
This valve is primarily used in slurry service and is not over 8 inch in general
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
"The law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
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?
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 R1?
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer below?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
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.
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
(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 a it with a smaller one in a simple circuit?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "0.036" refer to?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a explosion-proof enclosure?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There is a safe ratio for the use of extension ladders. If there is a ladder extending 18 ft vertically, how far from the wall should the base of the ladder be?
The time constant for a charging capacitor is a measurable quantity. Which of the answers below represents the correct formula to use for this calculation?
The prefix "Centi" can be expressed as?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the "SS" refer to?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
"pressure developed by a column of liquid" is the definition of which term
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." is the best description of which of the terms below?
Solve for x: 45-200÷10=x
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type DWV tube type typically have?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
Labels are an important piece of the WHIMS structure. Which of the labels below would be used when damage occurs to the original supplier label?
There are several different types of scribers used in industry. Which of the scribers below best represents the following picture?
How is the term "Cv" calculated?
The circumference of a circle is calculated with which correct equation?
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
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?
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
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?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
Linear motion negative feedback system consists of:
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described a a device that produces linear motion from a source of power to control the flow of .energy of a process?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
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?
"Is an area where no movement occurs with the actuators change in direction." describes which term?
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
The desiccant head adsorbes water vapour due to which?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
The volume of a sphere is calculated with which correct equation?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
Of the terms below, what is "Work" measured in?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
(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?
"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?
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
Determine the voltage V(bd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
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?
From the information given in the diagram below, what is the current flowing on branch R1?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
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."
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?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for suppliers?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
Which pilot valve has two common supply connections, and two connections for output?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
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?
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 transporting workers?
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
"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?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Maintaining all of the required PPE within the manufactures guidelines and in good working order is the responsibility of the________." Choose from the following answers to fill the blank.
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
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?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period while the capacitor gets to 5τ?