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Instrumentation: FIRST PERIOD

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

In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
There are electrical properties that are inherent to coils. Which of the answers below correctly identifies the properties that a coil possesses?
A moment balance negative feedback system is a force balance system?
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?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve coating the iron tip with a small amount of solder?
What is the formula that the pneumatic relays amplification or gain is expressed by?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
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 3-15 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure decrease?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
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?
1 psi is equal to _____ kPa
The equation to calculate density is?
5 coulomb of charge require how many electrons?
(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 4 tubes together?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
(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 through the side wall of an enclosure?
The radius of a circle is calculated with which correct equation?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to a flame-proof enclosure?
What are the two main systems of negative feedback?
convert 4 ⁴⁄₁₁ to an improper fraction.
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
"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?
(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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
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
If a pressure change of 20 kPa to 60 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 0.09 m^2
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
The volume of a rectangle is calculated with which correct equation?
When making an angularity adjustment, what is the first adjustment made?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
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?
Hysteresis can only be calculated.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
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."?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 75 MPag??
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?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
Which of the terms below is measure in "watts"
Which of these pressure to force converters has two diaphragms soldered together?
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
There are several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
In any intrinsically safe loop there are several main items that are vital to the loop. Which of the answers below contains those items?
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
(310102g) Energy is lost due to undesirable resistance in any circuit. Which of the terms below refers to the power that is lost in a conductor during the transmission phase?
How many electrons does 134.5 x 10¹⁹ represent?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
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?
The standard unit of resistance is which of the below?
From the information given in the diagram below, what is the current flowing on branch R3?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." is the best description of which of the terms below?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the amount of work done in 15 mins by a 45 hp motor?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
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 "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 145 kPag?
Pick the answer that will fill the blank. "_______ of the voltage would appear across the open circuit in a ______ circuit."
8 coulomb of charge requires how many electrons?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for the alignment for the path of travel of the valve plug?
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 increase in resistive load?
What are all the variables that can be measured when dealing with gases?
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
The time constant for a charging capacitor is a measurable quantity. Which of the answers below represents the correct formula to use for this calculation?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the detailing of employer obligations that must be fulfilled?
(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??
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
The point when increasing current will not increases magnetism in an electromagnet is call?