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Instrumentation: FIRST PERIOD

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

(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?
True force balance negative feedback system consists of:
(310104a) There are numerous components to a valve. Which of the components below would best be referred to as a gland that seals the dynamic portion of the valve against leakage?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
When an atom loses an electron, it is commonly referred to as which of the below?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
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?
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?
"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?
Covert 3 ⅘ to an improper fraction
(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 the grounding of less that 50V circuits?
In a baffle-nozzle-restrictor motion detector the:
What pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
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 0-14 meters. What is the fluid level if the transmitter signal is 35 kPa
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.
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
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?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
A true force balance negative feedback system is a force balance system?
What type of flux is generally used the most in electronic soldering?
Solve for x: (3)(5)+9=x
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
"A valve that has a low pressure drop at high flow rates.", 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?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
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?
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?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where actuator energy is carried to an FCE?
Calculating absolute pressure is achieved by?
"The results of a devices inelastic quality" is a definition of which term?
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?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as the number of magnetic lines of flux that pass through a certain point on a surface?
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
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?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
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?
The volume of a cube is calculated with which correct equation?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
In the SI system, the unit for time is?
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?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standards set for employers?
State 3 ⅞ as a mixed fraction.
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
Solve the equation:(4)(5)+4
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
In the SI system, the unit of force is?
What item would be used on a pneumatic system to speed up the pneumatic signal?
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?
What are the two main systems of negative feedback?
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of expending the accumulated energy in a capacitor?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction inside the magnet?
Oxygen is a vital component of the combustion process. Which of the answers below best describes the effects of combustion if an amount of gas and oxygen are equal in volume?
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
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?
Hysteresis can only be calculated.
A volume booster is not a positioner.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
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?
(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.
The prefix "Kilo" can be expressed as?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
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?
From the information given in the diagram below, what is the current flowing on branch R2?
(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?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
The perimeter of a Triangle is calculated with which correct equation?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
Which of the valves below would be used for isolation on each side of a control valve?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
Convert ¹⁰⁄₁₅ to a decimal.
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?
Solve for x: 45-200÷10=x
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the temperature at which a particular organic compound gives off sufficient vapor to ignite in air?
(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?
(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 2 circuits that are controlled remotely?
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?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?