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A co-worker asks you to hand a tool, but does not specify which toll she needs. The most appropriate response would be: ________ - "I'm sorry, which tool do you need?" A reader that wants to find any mention of a certain topic in a book can look in the _________. - index A supervisor wants an apprentice to insert a plug into a water supply line for a pressure test. The clearest way to instruct the apprentice would be for the supervisor to say, __________. - "Insert the plug into...

The Celsius scale is based on boiling water having a temperature at sea level of_? - 100° Subcooling occurs_. - After all vapor has changed to liquid When the temperature of a vapor is higher than its boiling point, the vapor is_? - Superheated When heat is carried from one object to another by means of a moving liquid or gas, it is being transferred by_? - Convection A ton of refrigeration is equal to_? - 12,000 BTUs per hour When the pressure on a liquid in a closed space is increased, ...

1. Which type of plan shows the layout of the HVAC system? a. Plumbing b. Structural c. Mechanical d. Foundation - c. Mechanical 2. Electrical plans can include a. exterior elevations b. section drawings c. plumbing isometrics d. lighting plans - d. lighting plans 3. The title block generally contains a. revision blocks b. special marks used in the drawing c. the mechanical plans d. the legend - a. revision blocks 4. The latest revision date on a set of construction drawings can be found__...

1. Pneumatic tools get their power from a. air pressure b. fluid pressure c. hand pumps d. AC power sources - a. air pressure 2. The most common use of the power drill is to a. cut wood, metal, and plastic b. drive nails into wood, metal, and plastic c. make holes in wood, metal, and plastic d. carve letters in wood, metal, and plastic - c. make holes in wood, metal, and plastic 3. A masonry bit is able to drill into concrete and similar material because it has a a. countersink shank b. ce...

the max load weight that a sling is designed to carry is the? - rated capacity most alloy steel chain slings can be used in Temps up to? - 500°F (260°c) when a tattle tail has been pulled into the jacket of a synthetic sling, the sling most likely has been? - overloaded if a wire rope sling appears to be damaged the decision to keep it in service must be made by a? - competent person

ball peen hammers are classified by - weight The cross-cut chisel is made with the cutting edge wider than the body so it does not bind when chiseling ___________ - deep groves Torx and Robertson screws were developed to _________ - Improve grip and the torque that can be applied to a screw What type of wrench CANNOT be used as a screwdriver? - Combination Wrench The direction of a ratchet is reversed by - using the button or lever on the ratchet handle What type of pliers work well for h...

A chisel head should be replaced or repaired if it is shaped like a? - mushroom Because of its stiffness, a folding rule is better than a cloth or steel tape for measuring ________distance. - vertical In order to transfer a chalk line to a surface, stretch the line tightly and ________it. - snap A __________-bladed shovel is used to dig holes or remove large amounts of soil. - round Pliers with serrated teeth that grip flat, square, round, or hexagonal objects are called? - tongue-andgroove...

Because of the shape of its jaws, which clamp can spread clamping pressure over a wider area than others? - Hand screw clamp What is another name for a machinist's hammer? - Ball-peen hammer What type of clamp is this? - Spring clamp What heavy-duty tool is used to drive posts or other large stakes? - Sledgehammer What is the safest type of utility knife? - One with a retractable blade How many sides does a hexagonal shape have? - Six What is the best saw for cutting miter joint? - Bac...

Most construction drawings today are hand-drawn by drafters. - False The border is a clear area of about _____ inch(es) around the edge of the drawing. - 1/2 The legend is the same as a company logo on a construction drawing. - False A civil plan is also called a(n) _____ plan. - plot The natural contours of the land are often shown on a civil plan. - True A roof plan is likely to be found on a(n) _____ plan. - architectural A foundation plan is likely to be found on a(n) _____ plan. - str...

plans used for work that has to do with construction in or on the earth are called? - civil plans the material to be used for walls would be found in the? - structural plans what information in a drawings title block identifies the project? - sheet title the information needed to identify lines and other symbols on a cunstruction drawing can be found in the? - legend

QUALIFIED PERSON - A person who, by possession of a recognized degree, certificate, or professional standing, or by extensive knowledge, training, and experience, has demonstrated the ability to solve or prevent problems relating to a certain subject, work, or project. RESPIRATOR - A device that provides clean, filtered air for breathing, no matter what is in the surrounding air. SAFETY CULTURE - The culture created when the whole company sees the value of a safe work environment.

Accident - Per the US Occupational Safety and Health Administration (OSHA), an unplanned event that results in personal injury or property damage. Arc Welding - The joining of metal parts by fusion, in which the necessary heat is produced by means of an electric arc. Brazing - A process using heat in excess of 800 degrees F to melt a filler metal that is drawn into a connection. Commonly used to join a copper pipe. Combustible - Capable of easily igniting and rapidly burning; used to descr...

Rated current - the continuous current that a breaker can carry without exceeding a standard temperature Breaker nameplate - Circuit Breaker ratings are given on the front/bus/the cable or termination - the 3 sections of switchgear are power system protection - basic purpose of switchgear is withstanding rating - the maximum 60Hz voltage that can be applied to a switch without causing insulation failure phase failure - a downed power line can cause loose connections - heat scanning tests...

A dashed line showing the location of an imaginary cut on a drawing is called a _____. - Match line A section line on a drawing shows _____. - The location of the section on the plan In a drawing with dimension lines, the values shown inside the lines are _____. - The actual dimensions On an architect's triangular scale, the 3/8" = 1'-0" and 3/4" = 1'-0" scales will start _____. - On opposite ends of the same edge

Machinery that is not maintained will - eventually break down The National Center for Construction Education and Research (NCCER) was created to - provide standardized construction education materials. The purpose of NCCER's National Registry is to - provide industry-wide credentials and assure national portability of skills Two or more important traits of the professional maintenance craftworker are - honesty and integrity

What is a neutral flame? - Equal parts oxygen and acetylene What is a carburizing flame? - A cooler flame used for light brazing. At what PSI does Acetylene become unstable? - 15 psi What do you use to light a torch? - Cup Striker Why is it dangerous to use a lighter to light a torch? - The flame may travel back into the lighter and cause it to explode. How far do you open the acetylene valve on the tank when brazing? - 1/2 turn to a full turn What is an alloy? - Any substance made up of ...

A gas fired warm air furnace heats by _______ - Conduction If you burn your finger by touching a hot surface, it is an example of _______ - Conduction Humidifiers are used to _______ - Add moisture to the air A temperature of 80F is equal to _______ - 26.5C Carbon monoxide is produced when ______ - Combustion is incomplete A gas burner flame should be _______ - Blue with an orange tip Of the following gases, the one with the highest heating value per cubic foot is _______ - Butane In a fo...

bond - a funded guarantee that a contractor will perform as agreed carbon monoxide - a common byproduct of combustion processes, a colorless, tasteless, and odorless gas that is lighter than air and quite toxic chiller - a high volume hydronic cooling unit Chlorofluorocarbons - a class of refrigerants that contains chlorine, fluorine, and carbon. compressor - The mechanical device that converts low pressure, low temperature refrigerant gas into high temperature, high pressure refrigerant g...

Appliances - Equipment designed for a particular purpose (for example, using electricity to produce heat, light, or mechanical motion) Appliances are usually self-contained, are generally available for applications other than industrial use, and are normally produced in standard sizes or types. Bonding bushing - A special conduit bushing equipped with a conductor terminal to accept a bonding jumper. It also has a screw or other sharp device to bite into the enclosure wall to bond the conduit...

90 degree bend - A bend that changes the direction of the conduit by 90 degrees Back-to-back bend - Any bend formed by two 90 degree bends with a straight section of conduit between the bends Concentric bends - 90 degree bends made in two or more parallel runs of conduit with the radius of each bend increasing from the inside of the run toward the outside Developed length - The actual length of the conduit that will be bent.