A randomized 100 question test from a pool of 1236 questions, good luck!
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
1 kPa is equal to _____ psi
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
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
The symbol for a voltage drop is which of the below?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve ensuring contamination free parts and soldering tip?
Moment balance Negative feedback system consists of:
The volume of a sphere is calculated with which correct equation?
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
Choose the correct order of mathmatical operations.
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
A battery has a rating of 80Ah, this means it can supply
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe a thread with a 16 TPI?
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
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?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
Convert 18.5 psi into inches W.C.
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
From the information given in the diagram below, what is the current flowing on branch R1?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
(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 electrical terms below can be best described as "consisting of one or more electrochemical cells, which transform stored chemical energy directly into electrical energy."
The prefix "Micro" can be expressed as?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
Before allowing power to a device, it may be required to neutralize it's environment. Which of the methods below would best be described as a consistent positive pressure within an enclosure?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
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?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
If a closed tank is pressurized to 15 psig and the pressure gauge at the bottom of the tank reads 36 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, ensuring each source of energy to the work area has it's own isolation, would be which of the steps below?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
Of the terms below, what is "Power" measured in?
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?
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
To alter the pressure setting on a regulator what element would you adjust?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
What is the name of the part of a drill bit that gets fitted into the drill spindle?
The CEC generates a air grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Propane belong to?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most able to discharge loads at high rates for an extended period of time?
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 electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
State the number 789342.61 using decimal notation and round the answers to three significant digits.
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given area?
Which are the two major categories of pressure regulators?
In the SI system, what is the fundamental hydrostatic pressure equation
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?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
Express ³²⁄₄₄ as a percent.
From the information given in the diagram below, what is the current flowing on branch R2?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
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 "ib" equipment can withstand?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Acetylene belong to?
Determine the voltage V(bd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
"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?
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?
Express 60% as a reduced fraction.
Magnets have been classified into two distinct groups. Which of the answers below is best described as an electromagnet which only retains magnetism when an electrical current is running through it?
convert 56.7 psi to kPa.
There are two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
In the SI system, the unit of force is?
Gauge pressure is?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of refining the grain of the steel to allow for greater resistance to corrosion and temperature extremes?
Gauge pressure is calculated by?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
What is the name of the tool that is used on round stock to cut external threads?
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?
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 a Class I, Zone 2?
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 0-15.5 meters. What is the fluid level if the transmitter signal is 78 kPa
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
Calculate the relative density for a fluid that has a density of 748 kg/m³
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure increase?
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."
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
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?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
In a baffle-nozzle-restrictor motion detector the:
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?