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Instrumentation: FIRST PERIOD

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

Of the terms below, what is "Power" measured in?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
"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?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type L tube type typically have?
(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?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
The circumference of a circle is calculated with which correct equation?
"Two angles that add to 180 degrees," is a description of which mathematical term?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
(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 larger one in a simple circuit?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
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?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
Which of the valves below would be used for isolation on each side of a control valve?
State the number 7.428 using scientific notation and round the answers to three significant digits.
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
(310105i) Any solid has inherent properties associated with it. When measuring the force applied to the entire area of a solid, which of the answers below are you trying to measure?
(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 larger OD tube to a smaller OD tube?
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 SI unit of pressure?
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
What are the two main systems of negative feedback?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
What is the name of the tool that is used on round stock to cut external threads?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
"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?
If a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a 2.5 mm minimum water gauge flow to be maintained?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
What is the formula that the pneumatic relays amplification or gain is expressed by?
There are many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
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?
(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?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
What is the smallest charged particle?
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
The volume of a sphere is calculated with which correct equation?
There are some options when deciding to lower the classification of a hazardous atmosphere within an enclosure. Which of the methods below would be the best method for the removal of a hazardous gas?
8 coulomb of charge requires how many electrons?
"Is the side next to the angle of significance." is a description of which right angle triangle 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 average velocity of the car?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
There are several terms that are used to describe the features of a particular thread type. Which of the answers below would best describe the "³⁄₁₆" in the bolt designation ³⁄₁₆-12 UNF x 6?
(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 tubing to piping?
(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??
Solve for the missing side.
A moment balance negative feedback system is a motion balance system?
(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?
This pressure to force converter device is used in situations where space is limited?
"_________ 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.
A tank contains a liquid that has a R.D. = 1.15. The depth of the liquid is 6.7 meters. What is the pressure in kPa at the base of the tank?
Convert ⅘ to a decimal.
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(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?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen arc adjustment/verification be?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
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?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
The basic unit of matter is called?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
The volume of a cube is calculated with which correct equation?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be the most sensitive to pressure changes?
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?
Isolate the following equation for "v": d=vt
(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??
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
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?
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?
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?
"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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "4" in the picture below?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measurement that compares the amount of matter an object has to compared its volume.
Of the answers below, which one is a disadvantage of a Pinch valve?
Which type of valve is pictured below?
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
The prefix "Micro" can be expressed as?
The equation to calculate density is?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?