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Instrumentation: FIRST PERIOD

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

convert 56.7 psi to kPa.
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 7 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 the responsibilities of those associated with the work site?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
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.
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?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
An I/P transducer is a positioner.
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
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?
(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??
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
Before allowing power to a device, it may be required to neutralize it's environment. Which of the methods below would best be described as a consistent positive pressure within an enclosure?
Materials with four electrons in their valence shell are considered what?
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
There are many studies on how pressure and force affect fluids. "Container shape does not affect fluid pressure." is one of the principles of which answer below?
What type of fire extinguisher can have a large tapered nozzle?
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?
From the information given in the diagram below, what is the current flowing on branch R2?
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 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?
(310104a)There are numerous components to a valve. Which of the components below would best be referred to as a seal for the static portion of the valve against leakage?
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 smallest diameter of the thread?
(310105i) In a common stress diagram, there are several points that are noted. Which of the points below would best be described as a change in shape of a material at low stress that is recoverable after the stress is removed?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
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?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
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 distance from the crest of one thread to another crest measured along the length of the thread?
The inert purge gases for GMAW and GTAW welding processes are non-toxic, but are still dangerous. In what situation below would these gases be a danger?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
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?
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
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?
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
The trigonometric ratio of cosine is calculated with which mathematical equation?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
What is the SI unit of force?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the floor of the container. Of the following answers, which gas would he be testing for?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
"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?
Convert 0.500 to a fraction.
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?
What is the term used to describe the total opposition to current flow in an AC circuit?
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure audible alarm and fuse only?
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?
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?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the roof of the container. Of the following answers, which gas would he be testing for?
What is the area of a semi-circle with a diameter of 2.45m?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type M tube type typically have?
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
Calculate the relative density for a fluid that has a density of 748 kg/m³
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "is the pressure required to liquefy a gas at its critical temperature."?
(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?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
(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
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer below?
5 coulomb of charge require how many electrons?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
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 3.5 cm and the effective area of the diaphragm is 0.05 m^2
Using the Pythagorean Theorem solves for which mathematical term?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
Pick the answer that will fill the blank. "_______ of the voltage would appear across the open circuit in a ______ circuit."
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
(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?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
"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) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
(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 signal circuits that are considered Class 1?
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
"A triangle in which all three sides are equal." is a description of which mathematical term?
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?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
There are several different types of scribers used in industry. Which of the scribers below best represents the following picture?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
(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?
Convert 18.5 psi into inches W.C.