A randomized 100 question test from a pool of 1236 questions, good luck!
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
Which type of pilot valve has one supply connection and two output connections?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
Faraday's law of induction states:
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
The main function of a valve positioner is which of the below?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
(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?
Using the Pythagorean Theorem solves for which mathematical term?
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?
"The law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
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?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 75 MPag??
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 as having a blind and a spacer together in one assembly?
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
Calculate the gain when a change from 1.55 psig to 2.15 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
Linear motion negative feedback system consists of:
The point when increasing current will not increases magnetism in an electromagnet is call?
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?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
If a tool increases from $43 to $76, what is the percentage increase?
7 coulombs of charge require how many electrons?
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?
The standard unit of resistance is which of the below?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the description of which mathematical term?
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
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
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
What does the term "Cv" represent in calculating pressure drop?
There are electrical properties that are inherent to coils. Which of the answers below correctly identifies the properties that a coil possesses?
What is the density of water?
When an atom gains an electron, it is commonly referred to as which of the below?
In the fraction A/b, is A the denominator?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
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 0-20 meters. What is the transmitter output signal if the fluid level is at 6.65 meters?
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
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?
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.
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?
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?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
What is the name of the tool that is used on round stock to cut external threads?
In what kind of circuit would all of the applied voltage appear across an open circuit?
From the information given in the diagram below, what is the current flowing on branch R3?
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?
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?
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?
Calculate the normal force exerted by an object that has a mass of 6732 grams
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?
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?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
A piece of metal with a length 13 1/4" is cut into 2 pieces. If one piece is 5 3/4' long, determine the length of the other piece.
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 increase in resistive load?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
The equation to calculate density is?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
1 mechanical, or imperial, horsepower is equal to which of the below?
The outermost shell of an atom is called the valence shell.
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
Under the Workers compensation act, are apprentices and learners entitled to compensation?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
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.
Circular chart recorders have several specific accessories. Which of the accessories below would use an ambient compensation capillary?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
convert 56.7 psi to kPa.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
Convert the following quantities to the units asked for: 4572 cm to yards.
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
In industry, electrostatic hazards are very important to understand. Which of the answers below correctly identifies an work station that has an anti-static mat on it?
Convert 4 ⅞ to an improper fraction.
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 transmitter output signal if the fluid level is at 8.65 meters?
The prefix "Milli" can be expressed as?
Convert 0.500 to a fraction.
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?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is Amperes of the circuit?
What are the two types of magnet?
State the number 13487000 using scientific notation and round the answers to three significant digits.
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that prevents the process from passing into the electrical conduit in the event of the initial seal failure?
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?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
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.