A randomized 100 question test from a pool of 1236 questions, good luck!
(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?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
When an atom gains an electron, it is commonly referred to as which of the below?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
A moment balance negative feedback system is a motion balance system?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with immediate and serious toxic effects?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
ESD is a major issue for the failure of electrical components. Which of the answers below would best represent the minimum discharge voltage that could damage electrical equipment?
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.
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
If a closed tank is pressurized to 101.345 kPa and the pressure gauge at the bottom of the tank reads 130.456 kPa, what head (in feet) of a liquid with a R.D. of 0.45 is contained in the tank
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
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 "SS" refer to?
(310102m) A capacitor's voltage decreases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full discharge in a typical capacitor?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
1 mechanical, or imperial, horsepower is equal to which of the below?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
The volume of a rectangle is calculated with which correct equation?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
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?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
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 "C" in the picture below?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
If a closed tank is pressurized to 105.345 kPa and the pressure gauge at the bottom of the tank reads 198.456 kPa, what head (in feet) of a liquid with a R.D. of 0.11 is contained in the tan
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
In a baffle-nozzle-restrictor motion detector the:
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measurement that compares the amount of matter an object has to compared its volume.
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
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.
(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 resistor with a larger one in a simple circuit?
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
A true force balance negative feedback system is a motion balance system?
There are several grades of iron and steel. Which of the answers below best represents a material that is extremely brittle because of it's high carbon content?
State ⁶⁵⁄₁₄ as a mixed fraction.
There are two very common types of metric vernier calipers. If the caliper that you are using has 1mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
Which of the following measurements cannot be performed by a sliding caliper?
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
"A two ratios that are equal in an equation." is a description of which mathematical term?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
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 smallest diameter of the thread?
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."
Electrical conduit is used to protect the cables running to the instruments. Which of the types of conduit below would be used in a corrosive atmosphere?
The trigonometric ratio of sine is calculated with which mathematical equation?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a O-ring seal style fitting?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
If, for every 20 C of charge, 60 J of energy is available, what is the voltage?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing hardness, but a reduction in ductility?
Which valve is used for corrosive slurries?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
The ratio 3.4:2.5 equal to?
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?
There are many studies on how pressure and force affect fluids. "Horizontal runs do not increase pressure." is one of the principles of which answer below?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the minimum or maximum concentration levels of a flammable or combustible material for ignition?
Solve the equation:(4)(5)+4
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
State 3 ⅞ as a mixed fraction.
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?
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?
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 flame-proof enclosure?
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?
Linear motion negative feedback system consists of:
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
Using the Pythagorean Theorem solves for which mathematical term?
Matter that is composed of more than one type of atom is called?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
Covert 3 ⅘ to an improper fraction
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
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?
From the information given in the diagram below, what is the voltage across each resistor?
(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?
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?
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?
What is the gain if nozzle backpressure changes from 1.35 psig up to 2.5 psig, and the relay output changes from 4 psig to 17 psig?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
Isolate for "v" in the following equation: d=vt
This pressure to force converter device is used in situations where space is limited?
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
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 heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would move as the direct result of the rotation of the torque shaft?