A randomized 100 question test from a pool of 1236 questions, good luck!
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
To perform a "Zero" adjustment the order of step(s) is/are?
A true force balance negative feedback system is a motion balance system?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
Isolate for "v" in the following equation: d=vt
(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 tubing to piping?
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 decrease?
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 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 non-hazardous?
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?
State 7 ⁹⁄₁₇ as an improper fraction.
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure audible alarm, fuse and an interlock?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with immediate and serious toxic effects?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
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?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
A moment balance negative feedback system is a force balance system?
In the SI system, the unit of force is?
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
What is the name of the tool that is used on round stock to cut external threads?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the degree to which the result of a measurement that conforms to the required standard.
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
"The ______ is divided between two series resistors in direct proportion to their resistance." The term that best fits to complete the sentence is which of the terms below?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
If angle "Y" is equal to 28 degrees, solve for angle "X"
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?
Calculate the normal force exerted by an object that has a mass of 6732 grams
The prefix "Centi" can be expressed as?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
From the information given in the diagram below, what is the current flowing on branch R2?
(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?
Of the adjustments below, which is the most common adjustment made?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
"Is not designed for continuous occupancy, and has limited or restricted means for entry or exit." This statement best describes which of the following terms?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
What percentage of 35 is 21?
What type of cell is a lithium constructed battery?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
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?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
There are many studies on how pressure and force affect fluids. "Container shape does not affect fluid pressure." is one of the principles of which answer below?
(310104a) There are numerous components to a valve. Which of the components below would best be referred to as a gland that seals the dynamic portion of the valve against leakage?
Which are the two major categories of pressure regulators?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
(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?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
(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?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
Although there are numerous type of batteries, they all share a common construction. Which of the answers below contains all the required parts of a battery?
Lifting a load with rigging is an involved and potentially dangerous task. When working with slings, which of the angles below is the commonly used safe lifting angle?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
Pick the answer that will fill the blank. "_______ of the voltage would appear across the open circuit in a ______ circuit."
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 many terms for specific electrical components. Which of the components below is best described as a passive electronic component that stores energy in the form of an electrostatic field?
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
If a closed tank is pressurized to 114.345 kPa and the pressure gauge at the bottom of the tank reads 165.456 kPa, what head (in feet) of a liquid with a R.D. of 0.83 is contained in the tan
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
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?
(310104a)There are numerous components to a valve. Which of the components below would best be referred to as a seal for the static portion of the valve against leakage?
Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
"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?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
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.
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?
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
The volume of a cylinder is calculated with which correct equation?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
Calculate the relative density for a fluid that has a density of 748 kg/m³
746 Watts is equal to which of the terms below?
There are several different notations on a length of pipe. Which of the notations below would have the thinnest pipe wall?
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 fluid level if the transmitter signal is 35 kPa
For every gas law there is a corresponding equation. Which of the gas laws below is missing from the Combined Gas Law?
"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?