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Instrumentation: FIRST PERIOD

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

Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
(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?
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?
(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 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 0-12 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
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.
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
What are the two main systems of negative feedback?
What is the main purpose of valve positioners?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(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?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?
Which of these pressure to force converters has two diaphragms soldered together?
In industry, electrostatic hazards are very important to understand. Which of the answers below correctly identifies an work station that has an anti-static mat on it?
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?
If a closed tank is pressurized to 101.345 kPa and the pressure gauge at the bottom of the tank reads 130.456 kPa, what head (in feet) of a liquid with a R.D. of 0.45 is contained in the tank
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
Which term can be defined as the pressure measured from absolute zero?
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the voltage delivered to the field device?
When a pressure of 15 psi is applied to a diaphragm actuator with a diameter of 18 cm, what is the force in Newtons (N) that is created?
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
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 triangle in which all three sides are equal." is a description of which mathematical term?
A true force balance negative feedback system is a motion balance system?
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 final velocity of the car?
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?
Which of the following measurements cannot be performed by a sliding caliper?
There are many terms associated with "Energy". Which term below is correctly described as, "done on an object when an applied energy moves it through a distance"?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
"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?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
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?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
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 10, but less than 1000 hours a year?
The Si unit for measuring force is the Newton. Which of the answers below is equal to an object that has a mass of 65830 g?
"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?
When an atom gains an electron, it is commonly referred to as which of the below?
Electromagnetism is a property of electrical charges moving through materials. Use one of the answers below to correctly fill in the blanks of the following sentence, "A magnetic fields strength in close proximity to conductor is _________ to the amount of current flowing through it."
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 electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
What is the basic unit of matter?
The symbol for a voltage drop is which of the below?
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
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for elevators used by the public?
(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??
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
A 2000 kg train is traveling east with a speed of 25 km/h. Determine the mass of a truck travelling at 15 km/h would have to have to be travelling at the same momentum.
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
The trigonometric ratio of sine is calculated with which mathematical equation?
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?
The volume of a sphere is calculated with which correct equation?
Calculate the normal force exerted by an object that has a mass of 6732 grams
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
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?
In a baffle-nozzle-restrictor motion detector the:
Solve for x: (3)(5)+9=x
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
What is the term used to describe the total opposition to current flow in an AC circuit?
If a tool increases from $43 to $76, what is the percentage increase?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
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?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
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 displacement of the car?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
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?
There are several different ways to apply force to an actuator. Which one of the methods below would a pneumatic source of air not be required for operation?
"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?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
(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?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
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?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
What are the three areas of WHMIS?
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
The standard unit of conductance is which of the below?
Solve for x: 45-200÷10=x
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?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
Faraday's law of induction states:
"A method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
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?
The equation to calculate density is?
From the information given in the diagram below, what is the voltage drop over R1, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would be leak-proof at any temperature or pressure