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!

In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?
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?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
What does the term "Cv" represent in calculating pressure drop?
How is the term "Cv" calculated?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.02 m².
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?
Convert the following quantities to the units asked for: 4572 cm to yards.
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 65 lbm?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for resolving any disputes between employer and apprentice?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill ABSA requirements?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
Isolate for "v" in the following equation: d=vt
Alternating current is bi-directional.
Matter that is compose of only one atom is called what?
1 pound force is equal to
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
(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?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
Lenz Law states:
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?
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?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
What provides the seal on the valve stem to prevent leakage of the process?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for workers?
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
"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?
(310105d) The output of an applied force uses is a measurable quantity. Which of the terms below would be use "W" as it's unit of measurement?
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?
(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?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"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?
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
The volume of a sphere is calculated with which correct equation?
A pressure gauge at the bottom of a tank indicates a pressure of 7.9 psi. The relative density of the liquid is 0.87. What is the depth of the liquid in feet?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where no internal pressures need to be tolerated?
From the information given in the diagram below, what is the total current if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
With a direct acting actuator, as air pressure increases:
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
Convert 18.5 psi into inches W.C.
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
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?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
"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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
"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?
The trigonometric ratio of cosine is calculated with which mathematical equation?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
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?
If a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
Solve for the missing side.
The volume of a cylinder is calculated with which correct equation?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
Convert ¹⁰⁄₁₅ to a decimal.
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
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?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?