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Forensics-Crump
Chapter 15,16,17,18&19
| Question | Answer |
|---|---|
| Primary explosives are? | NOT very stable |
| Debris recovered from the site of an explosion is routinely rinsed with _____ in an attempt to recover explosive residues. | acetone |
| What is a homemade explosive that has been used by terrorist organization in the Middle East? | TATP |
| Which of the following statements is false? | Dynamite is an initiating high explosive. |
| Which is NOT a high explosive? | black powder |
| An explosive readily detonated by heat or shock is: | primary eplosive |
| What is NOT true about taggants? | They are widely used to help trace an explosive to its last legal possessor. |
| Spot testing for the presence of explosives can be confrimed in the laboratory using | IR & x-ray defraction |
| The most widely used low explosive is | black powder & smokeless poweder |
| A procedure commonly used as a test for explosive residues is: | GC/MS,color spot test/thin layer/GC |
| A chemical used to synthesize the explosive TATP is? | hydrogen peroxide |
| High explosives can be classifed as either ___or___explosives. | Primary;secondary |
| The chemical ingredients of black powder are commonly: | potassium nitrate, charcoal, sulfur |
| ____ explosives detonate almost instantaneously to produce a smasing or shattering effect. | High explosives |
| _____ is NOT a military explosive. | nitroglycerin |
| Eplosives taht decompose at relatively slow rates are classifed as: | Low explosives |
| Telltale signs of arson include: | accelerant,"streamer",separate points orgin, trails of burn patterns |
| Combustion occurring at the surface of the solid describes: | glowing combustion |
| Factor that contribute to abnormal observation at a fire scene include: | winds&drafts,secondary fires,structure holes,stirways&elevator shafts |
| When investigator search a fire scen, the first focus must be on: | finding the origin of the fire |
| Which instrmmentation is considered the most sensitive and reliable for detecting and characterizing flammable residues? | GC |
| A common classification system charaterizes ignitable liquids based on their boliing point ranges and number of ___ moeclues as light, medium and heavy petroleum distillates. | carbon |
| Heat ennergy can ignite distant objects through the transmission of: | Electromagnetic energy |
| Complex chromatographic patterns can be simplified by passing the compoinents emerging from the GC column through | mass spectrometer |
| The transfer of heat energy by movement of molecules withi a liquid or gas is: | convection |
| A fuel can only achieve combustion in: | gaseous state |
| The minimum temp at which fuel vapor will ignite is known as: | the ignition temp |
| All combustible fules simultaneously igniting to engulf a structure in flames is known as: | flashover |
| Gasoline residues are best characterized by: | gas chromatography |
| A natural heat-producing process that may give rise to a fire is: | spontaneous combustion |
| The decomposition of organic matter by heat describes: | pyrolysis |
| Hydrocarbon acelerants can be detected by: | portable dector(sniifer)/traied dogs |
| _____ can not be determinded from a lab examination of evidence recovered from an arson. | The brand name of the gasoline used to start the fire. |
| The chemical reaction associated with a fire is | oxidation |
| The transfer of heat energy by he movement of molecules witin a liquid or gas is: | Convection |
| _____is used to analyze the make and model of a printer when it is not physical available. | Class characteristics |
| A data bank of ink dye patterns has been maintained by the U.S. Secret Service using: | TLC |
| Document examiners frequently uncover the original writing or words that have been crossed out with the aid of: | infrared radiation |
| Inks on hadwriteen documents may be copared for their chemical composition by the tech of: | thin-layer chromatogrphy |
| The process by which the image is stored inn memory by scanning and converting by computer into array of digital intensity values called picture elements is known as: | digitizing |
| Some inks, when expsoed to blue-green light, absorb ___ radiation and emit light. | infrared |
| Fax machines print a header known as ___ at the top of each fax page which may become a very importat point of comparison. | TTI |
| Which of the following is NOT considered a hardware device? | The opperating sysytem |
| which of the following is NOT considered a type of software | Random Access Memory |
| What we know as the internet was orginally developed in? | 1969 |
| What keeps track of the location of files and folders on the HDD? | the FAT |
| One gigabyte can be expressed as: | 1,000 megabytes(MB) |
| When is it necessary to make a "fingerprint" of a HDD? | before and after imaging its contents |
| Which of the following is not considered to be classified as software? | Floppy dics |
| Hard drive partitions are typically divided into? | Cluster, Tracks,Cylinders & Sectors |
| The complex of wires located on the motherboard which seres to carry data from one hardware device to another is" | ROM |
| One should not look for "latent" data in: | temporary files |
| Sectors are typically ___ bytes in size. | 512 |
| One should not search for "visible" date in: | unallocated space |
| A ____ is an automated search tool used to locate information on the internet. | Search engine |
| A quick method for sweitching back and forth between related web pages is to use: | Hyepertext |
| A _____ will provide the user with the capabilities for acessing web pages on the world wide web. | brower |
| Files containing chat and instant messaging are most likely stored in: | RAM |
| which service will allow the user to select informative messages of his or her choice fromt he systems bulletin board-like setup? | Newgroups |
| A service offered through the internet that will send messages concerning a specific topic directly to you e-mail acount is? | mailing list |
| If an individual wishes to send a message to another individual located in another part of the world he or she would use which sustem? | Electronic mail |
| The area of the internet where all the documents of informatoin are collected is called the: | World Wide Web |
| When looking at the deceased vitim,investigators should look for | wounds&blood,fingernail scraping&finails |
| Which factor would not effect decomposition? | sex of individual |
| The stiffening of the body musces after death is called? | rigor mortis |
| The term used to describe when blood settles to the bottom side of the body is? | lividity |
| Bodies found in air cecompose ____ as fast as those found submerged in water. | twice |
| What is studied in forensic playnology? | pollen and spores |
| The most reliable bone to determine sex is? | pelvis |
| The second best bone for determining sex is? | skull |
| Baby teeth are also known as? | deciduous |
| Adults that have a full set of teeth contain___teeth in total. | 32 |
| Children usually get their first final permanent teeth by about. | 6-8 yrs |
| Children usually have their first tooth eruption at what age? | 7 mo |
| What part of the bone is responsible for most of the length of the bone | metaphysis |
| What bones are used to determine height? | humerus,radius & ulna |
| The best bone to determine race is? | skull |
| Toward midline | Medial |
| Away from midline | Lateral |
| Closer to any point of reference on the body | Proximal |
| Farther from any point of reference on the body | distal |
| How many bones are usually found in an adult human? | 206 |