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!

What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
The outermost shell of an atom is called the valence shell.
convert 56.7 psi to kPa.
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
If a closed tank is pressurized to 18 psig and the pressure gauge at the bottom of the tank reads 39 psig, what head (in meters) of a liquid with a R.D. of 0.76 is contained in the tank
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given area?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
There are several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
State this fraction as a mixed fraction: ⁵⁵⁄₈.
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
The volume of a rectangle is calculated with which correct equation?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
There are two very common types of metric vernier calipers. If the caliper that you are using has 1mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would generally not be used to protect current electronic instrumentation?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
A piece of metal with a length 13 1/4" is cut into 2 pieces. If one piece is 5 3/4' long, determine the length of the other piece.
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
Oxygen is a vital component of the combustion process. Which of the answers below best describes the effects of combustion if an amount of gas and oxygen are equal in volume?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
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
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
The area of a circle is calculated with which correct equation?
The trigonometric ratio of cosine is calculated with which mathematical equation?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
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.
When a pressure of 15 psi is applied to a diaphragm actuator with a diameter of 18 cm, what is the force in Newtons (N) that is created?
Convert ¹⁸⁄₅ to a decimal.
When an atom loses an electron, it is commonly referred to as which of the below?
The volume of a cube is calculated with which correct equation?
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?
"The quantifiable change in position of an object, including how far the object travels and in what direction, before achieving it's final position." is the description of which mathematical term?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
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?
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?
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
(310102n) The Canadian Electrical code (CEC) encompasses all standards for electrical/instrumentation work. Which of the sections of that code below would relate best to Class 1 power circuits that are extremely low voltage?
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the final velocity of the car?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as a refinement in a measurement?
The result of a _______ actuator is installed with a ________ valve will be air-to-close
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would a "hose test" pass be required?
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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
In the SI system, the unit for length is?
What is the term used to describe the total opposition to current flow in an AC circuit?
Chart recorders have some specialized applications in industry. Which of those applications would best make use of the multiple temperature inputs available?
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?
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
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?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
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?
(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?
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
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?
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."
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?
(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 suppliers?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
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?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
The circumference of a circle is calculated with which correct equation?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
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?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
The MSDS for each controlled product must be:
(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?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
A 2000 kg train is traveling east with a speed of 25 km/h. Determine the mass of a truck travelling at 15 km/h would have to have to be travelling at the same momentum.
The trigonometric ratio of tangent is calculated with which mathematical equation?
"An angle of 90°" is a description of which mathematical term?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
State 7 ⁹⁄₁₇ as an improper fraction.
Convert the following quantities to the units asked for: 4572 cm to yards.
What pressure in Kpa is required to produce a force of 17650 lbs. when applied to a diaphragm actuator with a radius of 5 inches?
There are several different types of carbon steel in any piping system. Which of the types below would have a 0.3-0.6% carbon content?
(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 government agencies?