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Instrumentation: FIRST PERIOD

A randomized 100 question test from a pool of 1236 questions, good luck!

"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
1 psi is equal to _____ kPa
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.
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would be leak-proof at any temperature or pressure
Convert 4 ⅞ to an improper fraction.
Gauge pressure is?
(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 resistor with a smaller one in a simple circuit?
Which term can be defined as the pressure measured from absolute zero?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Which pilot valve has two common supply connections, and two connections for output?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
The area of a circle is calculated with which correct equation?
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
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?
Solve for the hypotenuse.
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for less than 10 hours a year?
State the number 479.3 using engineering notation and round the answers to three significant digits.
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
In the fraction A/B, is A the numerator?
The symbol for resistance is which of the below?
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
A "wheel and axle" is an example of which type of machine?
Alternating current is bi-directional.
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
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?
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?
The point when increasing current will not increases magnetism in an electromagnet is call?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
A true force balance negative feedback system is a force balance system?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
"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?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type ACR tube type typically have?
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where no internal pressures need to be tolerated?
101.325 kPa is equal to?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
(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?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as a refinement in a measurement?
Newton's first law is also known as?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
The outermost shell of an atom is called the valence shell.
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?
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
Chart recorders have some specialized applications in industry. Which of those applications would best make use of the multiple temperature inputs available?
When allowing power to flow to a device, purging may be required beforehand. Which of the answers below best represents the complete volumes of air with positive pressure?
Express 60% as a reduced fraction.
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
State 7 ⁹⁄₁₇ as an improper fraction.
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
State the number 0.004675 using scientific 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?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for the alignment for the path of travel of the valve plug?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the outlet airflow rate be measured for purging times?
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
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 blocks any excess voltage from gaining access to a hazardous area?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
Calculate the relative density for a fluid that has a density of 748 kg/m³
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
The supplier label:
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
What are the 2 major parts of a control valve?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
In the SI system, the unit of force is?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
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?
(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 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?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
If a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
Which type of pilot valve has one supply connection and two output connections?
If a pressure change of 20 kPa to 100 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 0.02 m².
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 elevators used by the public?
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
A capacitor discharges it's voltage at a specific rate. How many tau are required for a capacitor to expend 99% of it's original voltage?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen position adjustment/verification be?
The prefix "giga" can be expressed as?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
(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?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
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?
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 different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?