A randomized 100 question test from a pool of 1236 questions, good luck!
From the information given in the diagram below, what is the total parallel resistance of the circuit?
(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 Class 1 power circuits that are extremely low voltage?
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 rigging in general?
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?
Of the valves below, which would be best for erosive service?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "ia" equipment can withstand?
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.
Magnetism has several terms that must be understood. Which of the terms below would best be defined as the number of magnetic lines of flux that pass through a certain point on a surface?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
"Two external forces acting on an object or surface that are not in opposition of each other;" is a description of what type of stress?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
(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
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
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?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
Which term can be defined as the pressure measured from absolute zero?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
With respect to pressure drop, which control; valve has "high" recovery characteristics?
What are all the variables that can be measured when dealing with gases?
The area of a circle is calculated with which correct equation?
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.
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
65% of 765 is equal to?
The prefix "Milli" can be expressed as?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
(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?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is referred to as "hard or rigid"?
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
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 inside the magnet?
Convert 0.125 to a fraction.
(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?
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
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?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
What does the term "Cv" represent in calculating pressure drop?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
Which of the terms below is measure in "watts"
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?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
(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?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
(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 maintenance of instruments in hazardous locations of instruments?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
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
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
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?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Hysteresis can only be calculated.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
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?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a explosion-proof enclosure?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area with easily ignitable fibers or flyings, but the concentration of these fibers or flyings are not in quantities that would produce ignitable mixtures?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
Convert 88 PSI to kPa
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
Which type of pilot valve has one supply connection and two output connections?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
When selecting a hammer to use, what would "weight of head" help determine?
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would generally not be used to protect current electronic instrumentation?
When an atom loses an electron, it is commonly referred to as which of the below?
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
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?
(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??
1 pound force is equal to
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
5 coulomb of charge require how many electrons?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
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?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
The equation to calculate density is?
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?
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?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
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?