A randomized 100 question test from a pool of 1236 questions, good luck!
"A hazard within the workplace that can harm the body without necessarily touching it. Vibration and noise are examples of this type of hazards." This statement best describes which of the following hazard groups?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
(310104b) Valve disassembling is a fundamental part of the Instrumentation trade. Which of the hazards below would be of primary importance to eliminate when disassembling a sliding stem actuator?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
The symbol for a voltage drop is which of the below?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
The standard unit of conductance is which of the below?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?
One coulomb is equal to how many electrons?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would a thread-o-let welded to the process line be considered?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
Of the valves below, which would be best for erosive service?
The ability of a material to concentrate magnetic lines of force within a material is called?
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
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
The MSDS for each controlled product must be:
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
When used to cut mild steel. what is the recommended angle for a cold chisel?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
What is the name of the tool that is used on round stock to cut external threads?
State the number 789342.61 using decimal notation and round the answers to three significant digits.
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
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?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
Solve for the hypotenuse.
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
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?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
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?
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
Calculate the force in pounds which will be developed when a liquid pressure of 76 lbs/in² is applied to an area of 54 in².
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
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
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?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
If it were necessary to operate an 50-300 kPa valve actuator, but you had a 20-80 kPa control signal, the relay used would be?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
The supplier label:
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?
(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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
Piping material that is non-ferrous is most common in lower temperature services. Which of the answers below would best be classified as a "non-ferrous" material?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
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 increase in resistive load?
There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
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 heat is removed from a metal, does it contract?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
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?
If a closed tank is pressurized to 30 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
From the information given in the diagram below, what is the current flowing on branch R2?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to an explosion-proof enclosure?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Acetylene belong to?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
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?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
There are two very common types of metric vernier calipers. Which of the answers below best represents the minimum accuracy of a metric Vernier caliper?
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
Determine the voltage V(bd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
Calculate the normal force exerted by an object that has a mass of 6732 grams
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical 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 2 circuits that are controlled remotely?
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?
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?
Choose the answer below that has the words in order to correctly fill in the blanks. "A per unit volume of free electrons that is _______, offers ______ resistance to current"
Of the terms below, what is "Power" measured in?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
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
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
(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?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
Which organization sets standards for boots and safety glasses in Canada?
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
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
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 "A" in the picture below?
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?