A randomized 100 question test from a pool of 1236 questions, good luck!
Which term can be defined as the pressure measured from absolute zero?
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
"The ______ is divided between two series resistors in direct proportion to their resistance." The term that best fits to complete the sentence is which of the terms below?
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the floor of the container. Of the following answers, which gas would he be testing for?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
Which organization sets standards for boots and safety glasses in Canada?
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
When used to cut mild steel. what is the recommended angle for a cold chisel?
(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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
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??
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?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
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?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
Magnets have been classified into two distinct groups. Which of the answers below is best described as an electromagnet which only retains magnetism when an electrical current is running through it?
Using the Pythagorean Theorem solves for which mathematical term?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is referred to as "hard or rigid"?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
What type of fire extinguisher can have a large tapered nozzle?
(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?
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 and fuse only?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
What are the two main systems of negative feedback?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
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?
(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??
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
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.
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
A multi-wheel cutter is used when
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
With a direct acting actuator, as air pressure increases:
This valve is primarily used in slurry service and is not over 8 inch in general
"A characteristic where flow capacity increases linearly with valve travel. Flow is directly proportional to valve travel." is the best description of which of the terms below?
Ohm's law states that:
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
There are several different notations on a length of pipe. Which of the notations below would have the thinnest pipe wall?
In the fraction A/b, is A the denominator?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
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.
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?
60% of 54 is what?
Materials with one to three electrons in their valence shell are considered what?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the largest diameter of the thread?
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?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the degree to which the result of a measurement that conforms to the required standard.
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
(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?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
What are the three areas of WHMIS?
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?
(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 several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
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 several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
The outermost shell of an atom is called the valence shell.
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is Amperes of the circuit?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
The basic unit of matter is called?
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
The symbol for resistance is which of the below?
Matter that is composed of more than one type of atom is called?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
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 3-15 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill AER requirements at royalty trigger points for natural gas?
convert 56.7 psi to kPa.
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. what is the voltage drop over R2
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 "SS" refer to?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
If heat is removed from a metal, does it contract?
"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?