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Instrumentation: FIRST PERIOD

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

There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
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?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
There are many terms for specific electrical components. Which of the components below is best described as a passive electrical component with the primary function to limit the flow of electric current?
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
(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 tube to tube?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with immediate and serious toxic effects?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
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
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
The perimeter of a square is calculated with which correct equation?
In the fraction A/b, is A the denominator?
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 smallest diameter of the thread?
Gauge pressure is calculated by?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
The prefix "Micro" can be expressed as?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
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?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
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?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
Lifting a load with rigging is an involved and potentially dangerous task. When working with slings, which of the angles below is the commonly used safe lifting angle?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of traps dissolved oxygen and enhancing casting characteristics?
What is the purpose of the PTC switch in a lithium battery?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
(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?
(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?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 45 lbf?
If a closed tank is pressurized to 105.345 kPa and the pressure gauge at the bottom of the tank reads 198.456 kPa, what head (in feet) of a liquid with a R.D. of 0.11 is contained in the tan
There are some terms that are associated with capacitors. Which of the terms below is defined as the permittivity of a given material relative to that of the permittivity of a vacuum.
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?
State the number 479.3 using engineering notation and round the answers to three significant digits.
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
Convert 4 ⅞ to an improper fraction.
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
"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?
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 displacement of the car?
"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?
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 0-20 meters. What is the transmitter output signal if the fluid level is at 6.65 meters?
(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?
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
A mass of 6 kg is placed on top of a spring and that spring compresses 7 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?
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 decrease in resistive load?
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
Which are the two major categories of pressure regulators?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
In industry, electrostatic hazards are very important to understand. Which of the terms below can correctly be described as a charge created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other?
Choose the correct order of mathmatical operations.
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
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?
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
"A hazard within the workplace that can harm the body without necessarily touching it. Vibration and noise are examples of this type of hazards." This statement best describes which of the following hazard groups?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
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?
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?
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be referred to as a "Van Stone" flange connection?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
(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?
The standard unit of resistance is which of the below?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a minimum of 1.3 volts it can develop or contain?
Which of the valves below would be used for isolation on each side of a control valve?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
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 distance from the crest of one thread to another crest measured along the length of the thread?
Alternating current is bi-directional.
There are numerous steps to drilling with a power drill. Which answer below correctly identifies the size of the center punch mark in a piece to be drilled?
Using the Pythagorean Theorem solves for which mathematical term?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
There are a number of common parts to any valve. Which of the terms below would best be described as the object supplying the opening or closing motion of the valve?
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?
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
There are several different types of scribers used in industry. Which of the scribers below best represents the following picture?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
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 2 to non-hazardous?
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."?
To alter the pressure setting on a regulator what element would you adjust?
"A particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?