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Instrumentation: FIRST PERIOD

A randomized 100 question test from a pool of 1236 questions, good luck!

(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 offset and one pipe connector?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
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"
One coulomb is equal to how many electrons?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
"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?
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?
A "wheel and axle" is an example of which type of machine?
In the SI system, what is the fundamental hydrostatic pressure equation
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
For every gas law there is a corresponding equation. Which of the gas laws below is missing from the Combined Gas Law?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
(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?
(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??
Which pilot valve has two common supply connections, and two connections for output?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
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?
What is the main purpose of valve positioners?
A true force balance negative feedback system is a force balance system?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of traps dissolved oxygen and enhancing casting characteristics?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
(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?
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
What type of cell is a lithium constructed battery?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
"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?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
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?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
From the information given in the diagram below, what is the current flowing on branch R3?
"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?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
Linear motion negative feedback system consists of:
(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?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area with easily ignitable fibers or flyings, but the concentration of these fibers or flyings are not in quantities that would produce ignitable mixtures?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
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?
The prefix "Kilo" can be expressed as?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
An I/P transducer is a positioner.
When selecting a valve for a piping system, several factors must be considered. Which of the terms below can be correctly described by the statement, "Constitutes the pressure differential generated between two defined points through various ares of loss."
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
34.450 in engineering notion is what?
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
Which type of valve is pictured below?
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?
There is a safe ratio for the use of extension ladders. If there is a ladder extending 18 ft vertically, how far from the wall should the base of the ladder be?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
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?
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?
(310104b) There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would require constant replacement?
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?
Isolate the following equation for "v": d=vt
(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?
What is the basic unit of matter?
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Faraday's law of induction states:
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
What is the term used to describe the total opposition to current flow in an AC circuit?
Convert 18.5 psi into inches W.C.
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
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
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
What is the smallest charged particle?
Proper choices need to be made with the mounting of instruments. Which of the answers below would be a disadvantage of a instrument stand that has a cable mount?
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?
Worker education is the responsibility of the:
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
What are the three areas of WHMIS?
(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??
What is the density of water?
(310104b) Valve disassembling is a fundamental part of the Instrumentation trade. Which of the hazards below would be of primary importance to eliminate when disassembling a sliding stem actuator?
Choose the correct order of mathmatical operations.
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a moment balance negative feedback system in the creation of an output signal?
Materials with four electrons in their valence shell are considered what?
Ohm's law states that:
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
Convert 0.125 to a fraction.
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
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 0-12 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
Covert 6 ¹¹⁄₁₃ 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 0-9 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
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?