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Instrumentation: FIRST PERIOD

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

There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
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?
There are several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
Express ³²⁄₄₄ as a percent.
(310102g) Energy is lost due to undesirable resistance in any circuit. Which of the terms below refers to the power that is lost in a conductor during the transmission phase?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for receiving an output signal and converting that into a PV value?
Which of the valves below would be used for isolation on each side of a control valve?
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer 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?
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?
"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?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
This pressure to force converter device is used in situations where space is limited?
(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, prior to any work, the administrative procedures to be in place?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the enclosures inlet airflow rate be measured for purging times?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
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 increase?
65% of 765 is equal to?
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
Lenz Law states:
State the number 0.003402 using decimal notation and round the answers to three significant digits.
The equation to compute mechanical advantage is which one of the below?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
From the information given in the diagram below, what is the voltage across each resistor?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
Which term can be defined as the pressure measured from absolute zero?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill ABSA requirements?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
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?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
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?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
1 pound force is equal to
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 elevators used by the public?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
(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??
(310103d) There are several different designs of regulator. Which of the loading element designs below would have to slowest response to changes in downstream pressures?
"Is an area where no movement occurs with the actuators change in direction." describes which term?
The desiccant head adsorbes water vapour due to which?
The volume of a sphere is calculated with which correct equation?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
Gauge pressure is calculated by?
In relation to hacksaws, "pitch" is referred to as?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "a localized electric current induced in a conductor by a varying magnetic field."?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
Ohm's law states that:
A pneumatic level transmitter, with an output range of 20-80 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-17 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁=P₂V₂"?
(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 the grounding of less that 50V circuits?
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?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
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 Zone 2?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
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.
Of the answers below, which one is a disadvantage of a Pinch valve?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
Solve for x: 45-200÷10=x
Convert ⁸⁄₁₉ to a decimal.
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
From the information given in the diagram below, what is the current flowing on branch R3?
Linear motion negative feedback system consists 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 several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
(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?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
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.
A capacitor discharges it's voltage at a specific rate. How many tau are required for a capacitor to expend 99% of it's original voltage?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
(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 2 circuits that are controlled remotely?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most able to discharge loads at high rates for an extended period of time?
What is the SI unit of force?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
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?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?