A randomized 100 question test from a pool of 1236 questions, good luck!
The outermost shell of an atom is called the valence shell.
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
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?
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?
(310101c) For higher working pressures, generally the wall thickness of tubing will increase. Which of the answers below would best relate to the effect of a tube's increased wall thickness?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
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 1000 hours a year?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
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"
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
(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??
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
Of the answers below, which one is a disadvantage of a Pinch valve?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
What is the smallest charged particle?
If heat is added to a metal, does it expand?
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?
Convert ¹⁸⁄₅ to a decimal.
"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?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
"A quantity, such as mass, length, or speed, that is completely specified by its magnitude and has no direction." is a description of which mathematical term?
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
Chart recorders have some specialized applications in industry. Which of those applications would best make use of the multiple temperature inputs available?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
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 fluid level if the transmitter signal is 56 kPa
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
"The results of a devices inelastic quality" is a definition of which term?
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?
The prefix "giga" can be expressed as?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
Labels are an important piece of the WHIMS structure. Which of the labels below would be used when damage occurs to the original supplier label?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
Which are the two major categories of pressure regulators?
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?
The trigonometric ratio of cosine is calculated with which mathematical equation?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
In industry, electrostatic hazards are very important to understand. Which of the terms below can correctly be described as a charge created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial absolute temperature scale?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
If field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
Calculate the normal force exerted by an object that has a mass of 6732 grams
What type of flux is generally used the most in electronic soldering?
Of the valves below, which would be best for erosive service?
(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?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
What are the two types of magnet?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
What is the name of the tool used to cut internal threads after drilling a hole?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the outlet airflow rate be measured for purging times?
In relation to hacksaws, "pitch" is referred to as?
The ability of a material to concentrate magnetic lines of force within a material is called?
What percentage of 35 is 21?
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
Which of the valves below would be used for isolation on each side of a control valve?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
There are several parts to a drill bit. Which of the terms below best represents the part of a drill bit that is used to cut into materials?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.
Moment balance Negative feedback system consists of:
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
34.450 in engineering notion is what?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
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 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?
(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?
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"?
In the SI system, the unit of force is?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 65 lbm?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
The volume of a sphere is calculated with which correct equation?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "A method that attempts to physically separate or isolate the electrical parts or hot surfaces from the explosive mixture."?
An I/P transducer is a positioner.
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.
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is referred to as "hard or rigid"?
The volume of a rectangle is calculated with which correct equation?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."