A randomized 100 question test from a pool of 1236 questions, good luck!
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
"A whole number and a fraction combined into one number", is a description of which type of fraction?
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "R"?
(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?
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?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
When allowing power to flow to a device, purging may be required beforehand. Which of the answers below best represents the complete volumes of air with positive pressure?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
From the information given in the diagram below, what is the voltage drop over R1, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
1 kPa is equal to _____ psi
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
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 transmitter output signal if the fluid level is at 8.65 meters?
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?
Hysteresis can only be calculated.
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as Zone 2?
60% of 54 is what?
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?
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?
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where no internal pressures need to be tolerated?
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
From the information given in the diagram below, what is the voltage across each resistor?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
14.696 psia is equal to?
Which organization sets standards for boots and safety glasses in Canada?
"A two ratios that are equal in an equation." is a description of which mathematical term?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
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 short circuit current?
If a pressure change of 20 kPa to 60 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.09 m^2
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
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
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
Worker education is the responsibility of the:
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
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 methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
"An element or device which receives information in the form of 4-20 mA and coverts it to information in the form of 3-15 psig." is the best description of which of the terms below?
Angle motion negative feedback system consists of:
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?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
(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?
Which of the welding processes below would welding goggles be worn?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
There are several different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
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?
(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?
Of the terms below, what is "Work" measured in?
(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??
There are a number of common parts to any valve. Which of the terms below would best be described as the object supplying the opening or closing motion of the valve?
The prefix "Micro" can be expressed as?
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
The equation to compute mechanical advantage is which one of the below?
The prefix "Milli" can be expressed as?
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?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a minimum of 1.3 volts it can develop or contain?
(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?
Linear motion negative feedback system consists of:
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
(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 installation of an electrical communication system?
(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?
What is the smallest charged particle?
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
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?
(310102m) There are numerous electrical devices in a circuit. Which of the devices below can be best described as a passive two-terminal component used to store and release electrical energy?
(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?
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 symbol for a voltage drop is which of the below?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for converting a measured PV into an output signal?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
“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?
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
Solve for the missing angle.
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
Newton's third law is also known as?
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?
(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?
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."?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?