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Instrumentation: FIRST PERIOD

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

Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
"Is an area where no movement occurs with the actuators change in direction." describes which term?
(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 power circuits that are extremely low voltage?
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
The trigonometric ratio of sine is calculated with which mathematical equation?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run cable to location?
The perimeter of a rectangle is calculated with which correct equation?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
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?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the description of which mathematical term?
65% of 765 is equal to?
(310105i) In a common stress diagram, there are several points that are noted. Which of the points below would best be described as a change in shape of a material at low stress that is recoverable after the stress is removed?
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
If a closed tank is pressurized to 134.345 kPa and the pressure gauge at the bottom of the tank reads 169.456 kPa, what head (in feet) of a liquid with a R.D. of 0.24 is contained in the tan
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
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.
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
Newton's second law is also known as?
7 coulombs of charge require how many electrons?
There are several different types of scribers used in industry. Which of the scribers below best represents the following picture?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
The symbol for a amperes is which of the below?
(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"?
"An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force." is a description of which one of Newton's laws?
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
Gauge pressure is?
The symbol for a voltage source is which of the below?
Synthetic slings can be selected for a task specific application. Which of the sling property below would allow a nylon sling to be used in an explosive atmosphere?
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 0-12 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
An I/P transducer is a positioner.
Convert 18.5 psi into inches W.C.
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
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?
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
Newton's third law is also known as?
What are the three main elements of a regulator?
The standard unit of resistance is which of the below?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
The Si unit for measuring force is the Newton. Which of the answers below is equal to an object that has a mass of 65830 g?
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
(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 conductor type and use?
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
Electrical conduit is used to protect the cables running to the instruments. Which of the types of conduit below would be used in a corrosive atmosphere?
The standard unit of conductance is which of the below?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
The equation to compute mechanical advantage is which one of the below?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
"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?
1 pound mass is equal to?
A pressure gauge at the bottom of a tank indicates a pressure of 7.9 psi. The relative density of the liquid is 0.87. What is the depth of the liquid in feet?
(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 selecting a hammer to use, what would "weight of head" help determine?
If a closed tank is pressurized to 121.345 kPa and the pressure gauge at the bottom of the tank reads 175.456 kPa, what head (in feet) of a liquid with a R.D. of 0.56 is contained in the tan
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that has contacts the process?
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
What is the name of the part of a drill bit that gets fitted into the drill spindle?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 1 to non-hazardous?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
(310105d) The output of an applied force uses is a measurable quantity. Which of the terms below would be use "W" as it's unit of measurement?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line resistance to an open circuit?
(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?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
Covert 34.5 kPa to psi.
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
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?
(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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
Materials with five or more electrons in their valence shell are considered what?
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
Calculating absolute pressure is achieved by?
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
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?