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Instrumentation: FIRST PERIOD

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

(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use capacitor plates in the creation of an output signal?
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
"An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force." is a description of which one of Newton's laws?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type ACR tube type typically have?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
(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
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
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?
The CEC generates a air grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Propane belong to?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where actuator energy is carried to an FCE?
There are several grades of iron and steel. Which of the answers below best represents a material that is extremely brittle because of it's high carbon content?
Convert the following quantities to the units asked for: 27000 seconds to hours.
(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, prior to any work, the administrative procedures to be in place?
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
(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 tube to tube?
Angle motion negative feedback system consists of:
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of expending the accumulated energy in a capacitor?
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
Which are the two major categories of pressure regulators?
Covert 3 ⅘ to an improper fraction
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
(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?
A true force balance negative feedback system is a force balance system?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
1 pound mass is equal to?
(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 smaller one in a simple circuit?
(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?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described as having a blind and a spacer together in one assembly?
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 0-9 meters. What is the fluid level if the transmitter signal is 56 kPa
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
(310104b)There are many different valves to be used for different processes. Which of the valves below would best be used in a high pressure process?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
14.696 psia is equal to?
(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 tubing around a tight corner?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
(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?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
Matter that is composed of more than one type of atom is called?
Gauge pressure is?
Of the terms below, what is "Power" measured in?
Calculate the gain when a change from 0.85 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 18 psig in the relay output occurs.
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 current?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
In what kind of circuit would all of the applied voltage appear across an open circuit?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
From the information given in the diagram below, what is the current flowing on branch R2?
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
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"?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
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?
What power of soldering station is used for electronic soldering?
A pneumatic level transmitter, with an output range of 20-80 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-17 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
In the fraction A/b, is A the denominator?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
(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?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
Oxygen is a vital component of the combustion process. Which of the answers below best describes the effects of combustion if an amount of gas and oxygen are equal in volume?
(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??
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
This pressure to force converter device is used in situations where space is limited?
(310102m) There are numerous electrical devices in a circuit. Which of the devices below can be best described as a passive two-terminal component used to store and release electrical energy?
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.
If a pressure change of 20 kPa to 100 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 0.02 m².
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 decrease in resistive load?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of refining the grain of the steel to allow for greater resistance to corrosion and temperature extremes?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
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?
Magnets have been classified into two distinct groups. Which of the answers below is best described as an electromagnet which only retains magnetism when an electrical current is running through it?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
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?
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?
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?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
The circumference of a circle is calculated with which correct equation?
The prefix "Centi" can be expressed as?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
Convert 16.5 psi into kPa
Solve for the hypotenuse.