A randomized 100 question test from a pool of 1236 questions, good luck!
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
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.
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
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?
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?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
To alter the pressure setting on a regulator what element would you adjust?
Due to a lengthy transmission distance a control valve is responding slowly. The device that would improve the response speed of the valve would be?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
There are numerous types and styles of valves in industry. Which of the additions to a scotch yoke valve allows for proportional positioning?
State the number 479.3 using engineering notation and round the answers to three significant digits.
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
A _________ has the air connection usually above the diaphragm
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
Convert ⅘ to a decimal.
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
A volume booster is not a positioner.
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
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 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
State this fraction as a mixed fraction: ⁵⁵⁄₈.
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
To preform a "Span" adjustment the order of the step(s) is/are?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction outside the magnet?
The perimeter of a rectangle is calculated with which correct equation?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would convey the movement of the drive arm to the range arm?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends offset and one pipe connector?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of removing oxides and sulfides as well as refining the grain of the steel?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
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?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R3?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on it??
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 transporting workers?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
What is usually referred to when loading an ammeter?
The trigonometric ratio of sine is calculated with which mathematical equation?
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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve having the solder flow toward the heat over the joint?
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?
Of the answers below, which one is a disadvantage of a Pinch valve?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
(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??
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 1 to a Class I, Zone 2?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as general purpose?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
"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?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standard set for workers?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
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?
(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 2?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
5 coulomb of charge require how many electrons?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line current to an open circuit?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
In the SI system, the unit for length is?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
Which valve is used for corrosive slurries?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
When making an angularity adjustment, what is the first adjustment made?
1 pound force is equal to
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
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.
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
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 maximum of 1.2 volts it can develop or contain?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as a refinement in a measurement?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "the point at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied."?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
If a closed tank is pressurized to 134.345 kPa and the pressure gauge at the bottom of the tank reads 169.456 kPa, what head (in feet) of a liquid with a R.D. of 0.24 is contained in the tan
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
What are all the variables that can be measured when dealing with gases?
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?
Choose the correct order of mathmatical operations.
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
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?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction