A randomized 100 question test from a pool of 1236 questions, good luck!
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?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
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.
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
(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 3 tubes together?
"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?
The area of a circle is calculated with which correct equation?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
True force balance negative feedback system consists of:
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
Convert 0.500 to a fraction.
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
From the information given in the diagram below, what is the voltage drop over R1, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
What percentage of 35 is 21?
If heat is added to a metal, does it expand?
Solve for the hypotenuse.
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 10, but less than 1000 hours a year?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
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?
"Is an area where no movement occurs with the actuators change in direction." describes which term?
In a baffle-nozzle-restrictor motion detector the:
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
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.
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
Lenz Law states:
"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?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
convert 56.7 psi to kPa.
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
The area of a circle is calculated with which correct equation?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
What is the formula that the pneumatic relays amplification or gain is expressed by?
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."
What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet
In any intrinsically safe loop there are several main items that are vital to the loop. Which of the answers below contains those items?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
There are several different notations on a length of pipe. Which of the notations below would have the thinnest pipe wall?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run cable to location?
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?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
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?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "ia" equipment can withstand?
Which of the terms below is measure in "watts"
State 7 ⁹⁄₁₇ as an improper fraction.
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
There are some troubleshooting issues that can arise while soldering. Which of the issues below would be best described as a heat transfer loss from the soldering tip?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
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?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
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 transporting workers?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
1 pound mass is equal to?
(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 power circuits that are considered low energy?
(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?
The ratio 3.4:2.5 equal to?
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?
(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 circuits that are isolated?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
(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 does the term "Cv" represent in calculating pressure drop?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
If a closed tank is pressurized to 30 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 0.45 is contained in the tank?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
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?
(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?
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
(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??
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 many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
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.
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?