North Carolina Practice Locksmith Exam Questions And Answers Latest Top Score.

North Carolina Practice Locksmith Exam Questions And Answers Latest Top Score. n. 1. the number(s) which represent(s) the dimensions of the key 2. the actual cut(s) or combination of a key - correct answer. Bitting n. a designation, unrelated to the bitting, assigned to a particular key combination for future reference when additional keys or cylinders may be needed - correct answer. Blind Code n. a hand held key bitting punch, often incorporating a trigger-like handle - correct answer. Clipper n. 1. a designation assigned to a particular key combination for reference when additional keys or cylinders may be needed. See also, "blind code", "direct code", and "key symbol", 2. a standard for Life Safety, structural integrity, fire safety, etc., either incorporated into the statutes of a given jurisdiction, or a model standard - correct answer. Code n. a key cut to a specific code rather than duplicated from a pattern key. it may or may not conform to the lock manufacturer's specifications - correct answer. Code Key n. a code key which conforms to the lock manufacturer's specifications - correct answer. Code Original Key n. the group of numbers which represent the bitting of a key and/or the tumblers of a lock or cylinder - correct answer. Combination n. the bottom of a key cut - correct answer. Cut Root n. the shape of the bottom of a key cut. It may have a flat or radius of a specific dimension, or be a perfect "V - correct answer. Cut Root Shape n. a set of keys used to make a code original key on a key duplicating machine to a lock manufacturer's given set of key bitting specifications. Each key is cut with the correct spacing to one depth only in all bitting positions, with one key for each depth. - correct answer. Depth Key Set n. a series of blind codes and bittings which are directly related to those of another bitting list - correct answer. Derived Series n. a designation assigned to a particular key which includes the actual combination of the key - correct answer. Direct Code n. the dimension obtained by adding the root depth of a key cut to the length of its corresponding bottom pin which establishes a perfect shear line. This will not necessarily be the same as the actual plug diameter. - correct answer. Effective Plug Diameter n. the maximum allowable difference between adjacent cut depths - correct answer. Maximum Adjacent Cut Specification abb. maximum adjacent cut specification - correct answer. "MACS" n. the dimension from the bottom of a cut on a key to the bottom of the blade - correct answer. Root Depth n. a location in a cylinder at which specific tumbler surfaces must be aligned, removing obstruction(s) which prevented the plug from moving - correct answer. Shear Line n. the dimensions from the stop to the center of the first cut and/or to the centers of successive cuts - correct answer. Spacing n. the part of a key from which all cuts are indexed and which determines how far the key enters the keyway - correct answer. Stop (of a key) n. that portion of the cylinder shell which normally houses the pin chambers, especially those of a key-inknob cylinder or certain rim cylinders - correct answer. Bible n. 1. a tool used to cut the keyway into the cylinder plug 2. v. to cut the keyway into a cylinder plug with a broach - correct answer. Broach n. 1. a lock or cylinder component which transfers the rotational motion of a key or cylinder plug to the bolt works of a lock 2. the bolt of a cam lock - correct answer. CAM n. any cavity in a cylinder plug and/or shell which houses the tumblers - correct answer. Chamber n. a keyway which has been enlarged to accept more than one key section, often key sections of more than one manufacturer - correct answer. Composite Keyway n. 1. a flat tumbler which must be drawn into the cylinder plug by the proper key so that none of its extremities extends into the shell 2. a flat, usually rectangular tumbler with a gate which must be aligned with a sidebar by the proper key - correct answer. Disc Tumbler n. a set of top pins of different lengths. Usage is based on the height of the rest of the pin stack, in order to achieve a uniform pin stack height. See also "compensate drivers" - correct answer. Graduated Drivers n. a usually uniform increase or decrease in the successive depths of a key cut which must be matched by a corresponding change in the tumblers - correct answer. Increment n. a pin tumbler cylinder with a diameter of 2.0", whose pins, springs, key, etc. may also be proportionally increased in size. It is frequently used in prison locks - correct answer. Mogul Cylinder n. a threaded cylinder typically used in mortise locks of American manufacture - correct answer. Mortise Cylinder n. a pin tumbler, usually a top pin, which resembles a mushroom. It is typically used to increase pick resistance - correct answer. Mushroom Pin adj. 1. of or pertaining to a keyway with one or more wards on each side projecting beyond the vertical center line of the keyway to hinder picking 2. of or pertaining to a key blank made to enter such a keyway - correct answer. Paracentric n. a mortise cylinder of 3/4" diameter - correct answer. Peanut Cylinder n. the corresponding hole drilled into the cylinder shell and/or plug to accept the pin(s) and spring - correct answer. Pin Chamber