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Instrumentation: FIRST PERIOD

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

What are the three main elements of a regulator?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
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?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
State the number 13487000 using scientific notation and round the answers to three significant digits.
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
"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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
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?
Which pilot valve has two common supply connections, and two connections for output?
There are several different ways to apply force to an actuator. Which one of the methods below would have the highest pressure transmission rate during operation?
(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?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
If a pressure change of 20 kPa to 90 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 5.5 cm and the effective area of the diaphragm is 0.065 m^2
What are the 2 major parts of a control valve?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
What is usually referred to when loading an ammeter?
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen position adjustment/verification be?
When used to cut mild steel. what is the recommended angle for a cold chisel?
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, isolating all sources of energy to the work area would be which of the steps below?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
"The ______ is divided between two series resistors in direct proportion to their resistance." The term that best fits to complete the sentence is which of the terms below?
Express 60% as a reduced fraction.
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
The volume of a cylinder is calculated with which correct equation?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
Factors affecting induced voltage include:
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
The prefix "Micro" can be expressed as?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
From the information given in the diagram below, what is the voltage drop over R3, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
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 many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing hardness, but a reduction in ductility?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a explosion-proof enclosure?
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
To alter the pressure setting on a regulator what element would you adjust?
The MSDS for each controlled product must be:
The result of a _______ actuator is installed with a ________ valve will be air-to-open
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
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?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the workers rights and responsibilities?
1 pound force is equal to
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
From the information given in the diagram below, what is the voltage across each resistor?
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?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
A multi-wheel cutter is used when
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
"A whole number and a fraction combined into one number", is a description of which type of fraction?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
(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?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
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?
State the number 479.3 using engineering notation and round the answers to three significant digits.
Which of the terms below is measure in "watts"
If a closed tank is pressurized to 114.345 kPa and the pressure gauge at the bottom of the tank reads 165.456 kPa, what head (in feet) of a liquid with a R.D. of 0.83 is contained in the tan
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 maximum of 1.2 volts it can develop or contain?
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 letter "C" in the picture below?
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?
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
"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?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the difference between the highest and lowest error values
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
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?
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 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "the point at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied."?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
(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?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
1 mechanical, or imperial, horsepower is equal to which of the below?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given area?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be adjusted for any slight angularity issues?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
This pressure to force converter device is used in situations where space is limited?
A "wheel and axle" is an example of which type of machine?
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.
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
(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?