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Instrumentation: FIRST PERIOD

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

How is the term "Cv" calculated?
Hysteresis can only be calculated.
Calculate 4/7 + 2/5, and state answer as a proper or mixed 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 conductor type and use?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
"This piece of legislation came into effect in 1915. This act deals primarily with compensation, medical aid and rehabilitation of a worker due to a job-related injury." Which of the answers below is best described by this statement?
(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 power circuits that are considered low energy?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
"pressure developed by a column of liquid" is the definition of which term
Convert ¹⁸⁄₅ to a decimal.
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
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 a Class I, Zone 2?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type DWV tube type typically have?
(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?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
(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?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
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?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "A method that attempts to physically separate or isolate the electrical parts or hot surfaces from the explosive mixture."?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
When an atom gains an electron, it is commonly referred to as which of the below?
The prefix "Milli" can be expressed as?
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?
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."?
There are many studies on how pressure and force affect fluids. "Container shape does not affect fluid pressure." is one of the principles of which answer 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?
Circular chart recorders have several specific accessories. Which of the accessories below would use an ambient compensation capillary?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
"The law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with immediate and serious toxic effects?
746 Watts is equal to which of the terms below?
The radius of a circle is calculated with which correct equation?
"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?
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?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
Choose the correct order of mathmatical operations.
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the enclosures inlet airflow rate be measured for purging times?
(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?
Which type of valve is pictured below?
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.
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?
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Ethylene belong to?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described an interaction that causes an affected object to This results in an alteration to the state of the object's momentum?
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?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
Convert ⅘ to a decimal.
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?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "J" as a of measurement?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
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
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 1000 hours a year?
ESD is a major issue for the failure of electrical components. Which of the answers below would best represent the minimum discharge voltage that could damage electrical equipment?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "i" equipment can withstand?
When making a span adjustment, what is the first adjustment made?
What is the term used to describe the total opposition to current flow in an AC circuit?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
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?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
Convert ¹⁰⁄₁₅ to a decimal.
1 mechanical, or imperial, horsepower is equal to which of the below?
The trigonometric ratio of cosine is calculated with which mathematical equation?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁=P₂V₂"?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be referred to as the ability to accept or resist an external force trying to deform it?
The volume of a sphere is calculated with which correct equation?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
There are several different types of scribers used in industry. Which of the scribers below best represents the following picture?
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
The desiccant head adsorbes water vapour due to which?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
(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 circuits that are isolated?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?
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?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
"A characteristic where flow capacity increases linearly with valve travel. Flow is directly proportional to valve travel." is the best description of which of the terms below?
In the fraction A/B, is B the denominator?