Advance your career with help from our practice exams

Instrumentation: FIRST PERIOD

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

The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
"A triangle where one of its interior angles is 90 degrees." is a description of which mathematical term?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
65% of 765 is equal to?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
What is the basic unit of matter?
What percentage of 35 is 21?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for determining the equivalency of training done outside Alberta?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
What pressure is exerted at the base of a tank that is 6.7 meters high, with a liquid that has a density of 1200 kg/m³?
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?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
Gauge pressure is calculated by?
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?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
Lenz Law states:
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
Which are the two major categories of pressure regulators?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
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.
If a closed tank is pressurized to 10 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.78 is contained in the tank
The main function of a valve positioner is which of the below?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would a thread-o-let welded to the process line be considered?
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?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
There are several terms that are used to describe the features of a particular thread type. Which of the answers below would best describe the "³⁄₁₆" in the bolt designation ³⁄₁₆-12 UNF x 6?
Which of the terms below is measure in "watts"
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
To alter the pressure setting on a regulator what element would you adjust?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
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?
Hysteresis can only be calculated.
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 method that attempts to physically separate or isolate the electrical parts or hot surfaces from the explosive mixture."?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." is the best description of which of the terms below?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
What type of cell is a lithium constructed battery?
Find the volume in meters cubed of a cylindrical tank that has a radius of 2.4 m and a length of 1.2 m.
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?
Electromagnetism is a property of electrical charges moving through materials. Use one of the answers below to correctly fill in the blanks of the following sentence, "A magnetic fields strength in close proximity to conductor is _________ to the amount of current flowing through it."
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
The trigonometric ratio of cosine is calculated with which mathematical equation?
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 a physical barrier between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
State the number 789342.61 using decimal notation and round the answers to three significant digits.
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be adjusted for any slight angularity issues?
What is the term used to describe the total opposition to current flow in an AC circuit?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
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??
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "C"?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
The volume of a sphere is calculated with which correct equation?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(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?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
There are many studies on how pressure and force affect fluids. "Horizontal runs do not increase pressure." is one of the principles of which answer below?
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
In the SI system, the unit of force is?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as general purpose?
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "the point at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied."?
Newton's second law is also known as?
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?
If field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
There are numerous steps to drilling with a power drill. Which answer below correctly identifies the size of the center punch mark in a piece to be drilled?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
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 vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
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 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?
(310102m) There are numerous electrical devices in a circuit. Which of the devices below can be best described as a passive two-terminal component used to store and release electrical energy?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
1 pound force is equal to
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
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?