Louisiana State University

atomic number - Answer the number of protons in the nucleus of an element isotopes - Answer two or more atoms of the same element having the same number of protons in the nucleus but a different number of neutrons have the same atomic number but different mass numbers mass number - Answer total number of protons and neutrons in the nucleus atomic weight - Answer the weighted average of the mass of all isotopes of a particular element (amu) heteroatom - Answer...

what does calculating degree of unsaturation (or unsaturated index) from a molecular formula determine? - Answer the number of pi bonds and rings in a molecule what is the unsaturated index formula? - Answer 2C + 2 - H - X + N / 2 what is the IUPAC nomenclature of alkenes and cycloalkenes? - Answer - use longest carbon chain name (containing the double bond) for the parent name followed by "ene" - number the longest carbon chain so that the alkene has the lowest nu...

cranes and derricks installed on floating surfaces must have a ____ placed where it can be easily seen by the proctors. - Answer Boom angel indicator when is it acceptable to use a personnel platform to raise and lower workers - Answer Other means of access would be more dangerous or impossible. Which of the following is an example of conditions that may limit the load rating of a crane? - Answer The crane is not on level ground The ____ oversees and directs all crane ...

In which chapter of the NEC® will you find the installation requirements for conduit? - Answer Chapter 3 The maximum number of degrees allowed between pull points in a conduit run is 360 degrees. - Answer 360 Offsets and saddles ___________. - Answer must be included when calculating total degrees between pull points Would 4" rigid metal conduit be bent using a mechanical bender? - Answer no The maximum size IMC that can be bent using a portable mechanical...

live - Answer Gravity load that can be removed from a structure such as people and furniture. dead - Answer Gravity load that cannot be removed from a structure such as walls and floors. wind - Answer Lateral load caused by _____ that varies in intensity with the building's height, location, and shape. earthquake - Answer Lateral load that impacts buildings at grade level and acts in a "shaking" manner upon the superstructure. thermal - Answer T...

An arch is best suited for what type of stress? - Answer Compression The weight of the materials that a structure is built with are considered to be _____ loads. - Answer Dead Under typical loading, ______ stress is the primary stress. - Answer Bending At the time the book was written, what was the largest hall in the world? - Answer Superdome Did Da Vinci or Galileo have a better understanding of the behavior of a beam under a load? - Answer Da Vinci ...

live - Answer Gravity load that can be removed from a structure such as people and furniture. dead - Answer Gravity load that cannot be removed from a structure such as walls and floors. wind - Answer Lateral loads caused by _____ vary in intensity with the building's height, location, and shape. earthquake - Answer Lateral load that impacts buildings at grade level and acts in a "shaking" manner upon the superstructure. thermal - Answer Type of...

false - Answer arches are always considered to be in tension false - Answer bending stress is the primary type of stress seen in a typical arch false - Answer the units of a moment are a force times a distance squared resultant - Answer the ____ is a single vector that is an equal replacement of a group of vectors that has the same external effect compressive - Answer _____ stress is the main stress typically associated with columns 1 - Answer a...

live loads - Answer loads that include people and most movable objects. an example is snow even though it is usually handled as a separate type of load. dead loads - Answer loads that include the structure itself and most immovable objects. tension - Answer pulling apart this type of stress is usually evenly distributed across the structural element, making the resisting of this type of stress very efficient. compression - Answer crushing or smashing together t...

1. Each construction activity on a project has a relatively short duration. T/F - Answer 1. True 2. Most construction activities occur where the general public does not have access to them. T/F - Answer 2. False 3. Some legal issues exist when employing a drug testing and substance abuse program. T/F - Answer 3. True 4. All states require that safety communications be conveyed to employees in a variety of ways. T/F - Answer 4. True 5. All injuries and illnesse...