A randomized 100 question test from a pool of 1236 questions, good luck!
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?
If a pressure change of 20 kPa to 90 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 5.5 cm and the effective area of the diaphragm is 0.065 m^2
To alter the pressure setting on a regulator what element would you adjust?
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?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
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?
Materials with four electrons in their valence shell are considered what?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
What is the term used to describe the total opposition to current flow in an AC circuit?
There are several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
Gauge pressure is?
From the information given in the diagram below, what is the voltage across each resistor?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
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?
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?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
What pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
From the information given in the diagram below, what is the current flowing on branch R3?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
A pressure gauge at the bottom of a tank indicates a pressure of 7.9 psi. The relative density of the liquid is 0.87. What is the depth of the liquid in feet?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
"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?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
Matter that is composed of more than one type of atom is called?
Express ³²⁄₄₄ as a percent.
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that prevents the process from passing into the electrical conduit in the event of the initial seal failure?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "4" in the picture below?
Which organization sets standards for boots and safety glasses in Canada?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "SS" refer to?
(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?
Convert ⅘ to a decimal.
The symbol for a amperes is which of the below?
What does the term "Cv" represent in calculating pressure drop?
(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 3 tubes together?
The ability of a material to concentrate magnetic lines of force within a material is called?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
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?
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
The point when increasing current will not increases magnetism in an electromagnet is call?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
State ⁶⁵⁄₁₄ as a mixed fraction.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
"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?
(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??
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
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?
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 2 to non-hazardous?
What are the 2 major parts of a control valve?
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
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?
A standard pipe size chart will have piping up to 24". At which pipe size does the OD in inches, match the NPS in inches?
With a reverse acting actuator, as the pressure increases:
A moment balance negative feedback system is a force balance system?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for employers?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that conditions signals received or transmitted to a hazardous area
There are numerous steps to drilling with a power drill. Which answer below correctly identifies the size of the center punch mark in a piece to be drilled?
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?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
Which type of valve is pictured below?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
What pressure is exerted at the base of a tank that is 6.7 meters high, with a liquid that has a density of 1200 kg/m³?
"Hydrostatic" pressure is sometimes referred to as
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
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?
"Two angles that add to 180 degrees," is a description of which mathematical term?
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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?