A randomized 100 question test from a pool of 1236 questions, good luck!
If a closed tank is pressurized to 14 psig and the pressure gauge at the bottom of the tank reads 30 psig, what head (in meters) of a liquid with a R.D. of 0.87 is contained in the tank
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below would best be described as,"the measure of the intensity of the force imposed on this object by the local gravitational field"?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measurement that compares the amount of matter an object has to compared its volume.
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
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?
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?
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
34.450 in engineering notion is what?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?
The equation to compute mechanical advantage is which one of the below?
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
Gauge pressure is?
Materials with one to three electrons in their valence shell are considered what?
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?
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
14.696 psia is equal to?
(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 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?
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
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?
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.
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to an explosion-proof enclosure?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
With a direct acting actuator, as air pressure increases:
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
Solve for the missing angle.
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
(310104d) A control valve is one of many FCEs that are used in industry. Which of the answers below reflects the relationship between a control valve and the process variable?
The standard unit of conductance is which of the below?
The prefix "Mega" can be expressed as?
(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?
"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?
In any intrinsically safe loop there are several main items that are vital to the loop. Which of the answers below contains those items?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the pressure of a given mass of gas varies directly with the absolute temperature of the gas, when the volume is kept constant."?
Angle motion negative feedback system consists of:
Electromagnetism is a property of electrical charges moving through materials. Use one of the answers below to correctly fill in the blanks of the following sentence, "A magnetic fields strength in close proximity to conductor is _________ to the amount of current flowing through it."
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on it??
"5 x 7=7 x 5" is an example of which mathematical law?
This pressure to force converter device is used in situations where space is limited?
There are several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
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 largest diameter of the thread?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
Matter that is composed of more than one type of atom is called?
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?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
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.
Solve for the hypotenuse.
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type M tube type typically have?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
Calculate the gain when a change from 1.55 psig to 2.15 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
(310105d) Heat is produced when friction occurs during motion. Which of the terms below correctly identifies the type of friction that produces of this heat?
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an increase in resistive load?
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."?
Newton's second law is also known as?
(310105i) Any solid has inherent properties associated with it. which of the tests below refers to the application of force to a material and measures the specimen's response to the stress.
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
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?
What pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
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?
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure increase?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
Covert 34.5 kPa to psi.
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
Gauge pressure is calculated by?
(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?
If a pressure change of 20 kPa to 60 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 0.09 m^2
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would generally not be used to protect current electronic instrumentation?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?