The internal mechanisms of locks are generally made of brass or die-cast zinc. The cam, which is the tongue that protrudes from the lock to secure it, is usually made of steel or stainless steel. The outer casing of a lock may be made of brass, chrome, steel, nickel or any other durable metal or alloy.
From Wikipedia, the free encyclopedia. Cognitive tests are assessments of the cognitive capabilities of humans and other animals. Tests administered to humans include various forms of IQ tests; those administered to animals include the mirror test (a test of visual self-awareness) and the T maze test (which tests learning ability).
IQ Test Description. This free test is a premium psychometric exam and will measure your cognitive performance in several key areas including word analysis and spatial reasoning. This IQ test is primarily a verbal or I.Q. test containing elements of spatial reasoning.Your raw IQ score will be scaled and applied to the standard deviation to provide your IQ relative to the normal distribution of intelligence scores for this IQ testing assessment.Q Test Description. This free test is a premium psychometric exam and will measure your cognitive performance in several key areas including word analysis and spatial reasoning. This IQ test is primarily a verbal or I.Q. test containing elements of spatial reasoning.