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parts of a polygraph machine
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What are the parts of a polygraph machine?
A lie detector picks up changes in your pulse and heart rate. Generally when you tell a lie, your pulse will increase because you don't want to tell the person what you are hiding and consequently become nervous. It has been confirmed that a lie detector can not be trusted fully to determine whether you are lying or not.
Who are those persons who beat the polygraph machine?
Bam Bam and Justice Story
Proper attachment of polygraph machine in human body?
A polygraph instrument measures three basic bodily functions but may also measure additional (optional) features. At a minimum, the polygraph must measure (1) relative blood pressure by placing a blood pressure cuff on the upper arm, (2) electrodermal response by placing metal plates on the fingers or self-stick pads on the palm of the hands, and (3) breathing patterns by placing two soft rubber tubes across the upper and lower abdomen. Additional features may also be measured, but these are the basics. - Michael Martin (President, Global Polygraph Network)
What occupation uses a polygraph?
Polygraph examiner
How did the polygraph affect society?
The machine itself has done little -how it has been used is to cause self-doubt in those who would deceive.
What is the word polygraph in a sentence?
The polygraph test is not "proof-positive". The polygraph test is not completely unreliable.
What are the parts of a polygraph machine and functions?
There are three parts of a polygraph machine. They are:the cardio-sphygmograph consisting of a blood pressure cuff placed on the arm that remains inflated during the test - measures blood pressure and heart ratethe pneumograph consisting of two tubes filled with air, one placed around the chest and the other placed around the abdomen - measures respiratory ratethe galvanograph which consists of electrical sensors attached to the fingertips - records the amount of perspiration produced
Can memory loss make you fail a polygraph?
Not if it's genuine. The polygraph is based on physiological reactions in the subjects body. If you genuinely have no recollection of events surrounding a particular incident, the polygraph wouldn't detect any changes - However, if you try to fake memory loss in order to avoid answering a question, the machine will detect minor changes and flag the answer as false.
Why did Thomas Edison find his polygraph machine so very handy?
Thomas Edison found his polygraph machine handy because it allowed him to make simultaneous recordings of multiple variables, such as mechanical and electrical phenomena, which helped him in his experiments and inventions. This device helped him gather precise data, analyze results, and improve his understanding of various scientific principles.
What are the functions done by various parts of the carding machine?
parts of carding machine
Is a simple machine a vending machine?
No,because it has moving parts in it and a simple machine dose not have any moving parts
Why did Thomas Jefferson find polygraph machine handy?
First, Thomas Jefferson's polygraph was an item he got from the maker -- he didn't invent it. And, it was not a lie detector. It was a sort of copy machine. It made a duplicate of a hand written letter as the letter was being written. It was useful because it allowed him to keep a copy of letters he sent without having to make a second copy by hand.
