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Instrumentation: FIRST PERIOD

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

There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
A volume booster is not a positioner.
Of the terms below, what is "Power" measured in?
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 general purpose?
Convert 4 ⅞ to an improper fraction.
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
Proper choices need to be made with the mounting of instruments. Which of the answers below would be a disadvantage of a instrument stand that has a cable mount?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
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?
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?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power delivered by the battery?
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 several different types of scribers used in industry. Which of the scribers below best represents the following picture?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when connecting tubing to piping?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, removing securing devices and any isolation points once work area is deemed safe, would be which of the steps below?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
What is the SI unit of force?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
1 psi is equal to _____ kPa
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?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
Materials with four electrons in their valence shell are considered what?
The basic unit of matter is called?
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?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
"5 x 7=7 x 5" is an example of which mathematical law?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
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?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
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?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
To alter the pressure setting of a regulator, you would adjust what?
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
(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?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is referred to as "hard or rigid"?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
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?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
The prefix "Milli" can be expressed as?
State the number 7.428 using scientific notation and round the answers to three significant digits.
There are several parts to a drill bit. Which of the terms below best represents the part of a drill bit that is used to cut into materials?
How many electrons does 134.5 x 10¹⁹ represent?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be the most sensitive to pressure changes?
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
If field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
The 3 key elements of the WHIMIS system are, worker education, material safety data sheets and ________. Choose from the answers below to fill in the blank.
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
The point when increasing current will not increases magnetism in an electromagnet is call?
What is the area of a semi-circle with a diameter of 2.45m?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
The ratio 3.4:2.5 equal to?
(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?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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 ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
"The heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
Although there are numerous type of batteries, they all share a common construction. Which of the answers below contains all the required parts of a battery?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
(310103d) There are several different designs of regulator. Which of the loading element designs below would have to slowest response to changes in downstream pressures?
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?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
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 "⅜" refer to?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
If a closed tank is pressurized to 135.345 kPa and the pressure gauge at the bottom of the tank reads 172.456 kPa, what head (in feet) of a liquid with a R.D. of 0.14 is contained in the tan
The trigonometric ratio of cosine is calculated with which mathematical equation?
In the fraction A/b, is A the denominator?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would explosion-proof equipment be primary used?
A tank contains a liquid that has a R.D. = 1.15. The depth of the liquid is 6.7 meters. What is the pressure in kPa at the base of the tank?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
8 coulomb of charge requires how many electrons?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
When an atom gains an electron, it is commonly referred to as which of the below?
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
In the SI system, the unit for time is?
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."?
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
The perimeter of a rectangle is calculated with which correct equation?
There are several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?