IFSTA 7 Essentials Exam
Questions and Complete
Solutions Graded A+
Finger-jointed timber - Answer: is composite building material composed of small pieces of wood
merged to form boards using various types of glue.
Medium density fiberboard - Answer: is composite building material that is a type of laminated wood
closely resembling hardwood and is used for doors and decorative moldings.
Particle board - Answer: is composite building material composed of small flakes of wood merged
together with glue to form boards used for furniture.
Synthetic wood - Answer: s composite building material composed of recycled plastics to form sheets or
boards.
Steel support temperatures begin losing strength at - Answer: 570 degrees or 300 celsius. It elongates
and buckles when heated past temperature resistance.
An A-frame collapse - Answer: occurs when the floor and/or roof assemblies on both sides of a load-
bearing center wall collapse creating a lean-to collapse on opposite sides of the wall and creating void
spaces on both sides of the wall
pattern occurs when the outer walls remain intact and the upper floors and/or roof structure fail in the
middle. - Answer: A V-shaped collapse
, A pancake collapse - Answer: pattern is when the structure's floors collapse on top of each other with
debris between them.
A lean-to collapse - Answer: pattern occurs when one outer wall fails while the opposite wall remains
intact.
Has excellent heat resistance known as drywall or sheetrock. - Answer: Gypsum
Collapse zone distance - Answer: multiply the height by 1 ½ . So if building height is 30 feet the collapse
zone will be 45 feet.
Every gallon of water added to a structure adds - Answer: 8 to 10 pounds of weight.
Full or rigid frame - Answer: the vehicle body attaches to a rigid frame more commonly used for larger
automobiles and trucks , heavy duty vehicles that carry loads
Unibody - Answer: a single molded unit forming both the bodywork and chassis of a vehicle.
Space frame - Answer: Aluminum skeletons that are similar to aircraft frames upon which the aluminum
or plastic of the vehicle body is attached. The internal structure of these frames provides internal
support while the skin provides aerodynamics and protection.
Laminated glass - Answer: is used for windshields and rear windows. Impact creates very long pointed
shards that can be hazardous.
Tempered glass - Answer: is used for side windows and separates into small pieces decreasing the
hazards of long pointed pieces.
Reciprocating saw - Answer: short straight blades that move in and out like hand saw it is ideal for
cutting sheet metal body panels and structural components.
Rotary saw - Answer: has the big circular blades used for cutting wood or metal