A randomized 100 question test from a pool of 1236 questions, good luck!
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
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.
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
In what kind of circuit would all of the applied voltage appear across an open circuit?
Calculate the relative density for a fluid that has a density of 748 kg/m³
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet
Materials with four electrons in their valence shell are considered what?
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the degree to which the result of a measurement that conforms to the required standard.
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
Determine the voltage V(bd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
A "wheel and axle" is an example of which type of machine?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the amount of work done in 15 mins by a 45 hp motor?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
(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?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
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 blocks any excess voltage from gaining access to a hazardous area?
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
Lenz Law states:
"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?
Covert 34.5 kPa to psi.
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
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?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "J" as a of measurement?
The trigonometric ratio of tangent is calculated with which mathematical equation?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
A lithium cell can produce about _____ times the voltage of an alkaline cell.
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
Isolate for"h" in the following equation y=(h-t)/r
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
Which pilot valve has two common supply connections, and two connections for output?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
"Any point on a circuit where two or more current flows meet or are split." is the best description of which of the terms below?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?
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?
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 only?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
What is the SI unit of pressure?
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
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?
The symbol for a voltage drop is which of the below?
The point when increasing current will not increases magnetism in an electromagnet is call?
Of the terms below, what is "Power" measured in?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
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?
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
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?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
(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?
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 transmitter output signal if the fluid level is at 8.65 meters?
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) 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??
State the number 13487000 using scientific notation and round the answers to three significant digits.
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
(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 require constant replacement?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
The desiccant head adsorbes water vapour due to which?
(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?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
Scaffolds use is daily occurrence at most job sites. Any scaffold that is constructed must be designed to handle _____ times the potential load placed on it. Use that answers below to correctly fill in the blank.
The perimeter of a rectangle is calculated with which correct equation?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
(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?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
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?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
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 0-14 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?