A randomized 100 question test from a pool of 1236 questions, good luck!
(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 grounding circuits that are isolated?
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?
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 a flame-proof enclosure?
What is usually referred to when loading an ammeter?
State the number 479.3 using engineering notation and round the answers to three significant digits.
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
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 non-hazardous?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
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?
Express 60% as a reduced fraction.
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the difference between the highest and lowest error values
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced a it with a smaller one in a simple circuit?
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the current?
The trigonometric ratio of tangent is calculated with which mathematical equation?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
Isolate the following equation for "v": d=vt
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
State 3 ⅞ as a mixed fraction.
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
In the fraction A/B, is B the denominator?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
If a closed tank is pressurized to 103.345 kPa and the pressure gauge at the bottom of the tank reads 145.456 kPa, what head (in feet) of a liquid with a R.D. of 0.37 is contained in the tank?
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?
Solve for x: (3)(5)+9=x
The prefix "Kilo" can be expressed as?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
The ability of a material to concentrate magnetic lines of force within a material is called?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
There are many terms for specific electrical components. Which of the components below is best described as a passive electrical component with the primary function to limit the flow of electric current?
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
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"
What are the 2 major parts of a control valve?
A moment balance negative feedback system is a motion balance system?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
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?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
The volume of a cylinder is calculated with which correct equation?
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?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described an interaction that causes an affected object to This results in an alteration to the state of the object's momentum?
What are all the variables that can be measured when dealing with gases?
A tank contains a liquid that has a R.D. = 1.15. The depth of the liquid is 6.7 meters. What is the pressure in kPa at the base of the tank?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period while the capacitor gets to 5τ?
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
(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?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
"An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force." is a description of which one of Newton's laws?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
(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?
In a baffle-nozzle-restrictor motion detector the:
There are several different ways to apply force to an actuator. Which one of the methods below would have the highest pressure transmission rate during operation?
If a closed tank is pressurized to 121.345 kPa and the pressure gauge at the bottom of the tank reads 175.456 kPa, what head (in feet) of a liquid with a R.D. of 0.56 is contained in the tan
Newton's third law is also known as?
An instrument technician sometimes has to do calibrations while the process is still running. Which of the terms below identifies a calibration done on a live process?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
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 "0.036" refer to?
(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 larger OD tube to a smaller OD tube?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for determining the equivalency of training done outside Alberta?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the pressure of a given mass of gas varies directly with the absolute temperature of the gas, when the volume is kept constant."?
746 Watts is equal to 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 increasing erosion and wearing down resistance?
Solve for the hypotenuse.
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
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?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
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."
(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 1?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
Which pilot valve has two common supply connections, and two connections for output?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
Angle motion negative feedback system consists of:
(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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "6"?
From the information given in the diagram below, what is the current flowing on branch R3?
(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 "V₁T₂=V₂T₁"?
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
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."