A randomized 100 question test from a pool of 1236 questions, good luck!
Gauge pressure is?
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?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
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?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
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?
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?
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
From the information given in the diagram below, what is the voltage drop over R4, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
1 pound force is equal to
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
Factors affecting induced voltage include:
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type M tube type typically have?
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 largest diameter of the thread?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
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?
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?
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?
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?
(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?
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?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
(310105i) Any solid has inherent properties associated with it. which of the tests below refers to the application of force to a material and measures the specimen's response to the stress.
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
What is usually referred to when loading an ammeter?
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
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between cable tray and metal conduit?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
Which of the laws below can be best described by the following statement, "The strength or intensity of an unvarying electric current is directly proportional to the electromotive force and inversely proportional to the resistance of the circuit"?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
A _________ has the air connection usually above the diaphragm
In any intrinsically safe loop there are several main items that are vital to the loop. Which of the answers below contains those items?
Calculate the gain when a change from 0.85 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 18 psig in the relay output occurs.
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
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."?
(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?
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 transporting workers?
746 Watts is equal to which of the terms below?
From the information given in the diagram below, what is the current flowing on branch R2?
The point when increasing current will not increases magnetism in an electromagnet is call?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
(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 tubing around a tight corner?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
(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 power circuits that are considered low energy?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
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?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
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?
Hysteresis can only be calculated.
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 fluid level if the transmitter signal is 35 kPa
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Which of the terms below is measure in "watts"
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
(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?
(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?
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
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends in line and one pipe connector?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier at the open end of a process pipe?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture 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 "⅜" refer to?
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
If a closed tank is pressurized to 114.345 kPa and the pressure gauge at the bottom of the tank reads 165.456 kPa, what head (in feet) of a liquid with a R.D. of 0.83 is contained in the tan
Newton's third law is also known as?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "6"?
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?
The two main functions of a negative feedback system are:
60% of 54 is what?
There are several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
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?
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 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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
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?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
The volume of a cylinder is calculated with which correct equation?
Many electrical properties are a measured quantity, needing a unit of measurement. Which of the units below would be the correct unit of measurement for inductance?
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?
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?