A randomized 100 question test from a pool of 1236 questions, good luck!
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
(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?
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on it??
Solve for the hypotenuse.
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a 2.5 mm minimum water gauge flow to be maintained?
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?
The symbol for a voltage drop is which of the below?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
If it were necessary to operate an 50-300 kPa valve actuator, but you had a 20-80 kPa control signal, the relay used would be?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
Covert 6 ¹¹⁄₁₃ to an improper fraction.
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
To alter the pressure setting of a regulator, you would adjust what?
Solve the equation:(4)(5)+4
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.
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
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 "0.036" refer to?
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?
When used to cut mild steel. what is the recommended angle for a cold chisel?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
With a reverse acting actuator, as the pressure increases:
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
What power of soldering station is used for electronic soldering?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
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?
“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?
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
What provides the seal on the valve stem to prevent leakage of the process?
What are all the variables that can be measured when dealing with gases?
What is the smallest charged particle?
The ability of a material to concentrate magnetic lines of force within a material is called?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common 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?
Hysteresis can only be calculated.
Convert ¹⁰⁄₁₅ to a decimal.
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
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"?
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??
"Any point on a circuit where two or more current flows meet or are split." is the best description of which of the terms below?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen arc adjustment/verification be?
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?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
To alter the pressure setting on a regulator what element would you adjust?
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?
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line current to an open circuit?
What is the formula to calculate Hydrostatic peressure
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
1 kPa is equal to _____ psi
Convert 4 ⅞ to an improper fraction.
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
Synthetic slings can be selected for a task specific application. Which of the sling property below would allow a nylon sling to be used in an explosive atmosphere?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the enclosures inlet airflow rate be measured for purging times?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
What is the basic unit of matter?
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?
A pneumatic level transmitter, with an output range of 20-80 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-17 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
(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?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
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?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R2?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
Convert ⁸⁄₁₉ to a decimal.
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of removing oxides and sulfides as well as refining the grain of the steel?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "The amount of opportunities for the atoms of the conductor to affect current flow per linear unit"
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?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
The standard unit of conductance is which of the below?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
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
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?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?