NOCTI Prep- Building Trades Exam Questions and Answers

4:1 (25 degrees) - Answer- The proper angle for setting up an extension ladder Thickness - Answer- Metal gauge refers to eye protection - Answer- What should always be worn when working with chemicals Spray painting in a paint booth - Answer- Effective fire control techniques associated with paint Handsaw - Answer- handsaw used primarily when mitered cuts are made Decibels - Answer- how noise level is measured Class B fires - Answer- Fires that involve fuels such as oil and gas are classified as On a level surface - Answer- How should a stepladder be set up leg - Answer- Proper method for lifting Class A - Answer- Fires that involve ordinary materials such as paper, cardboard, and wood Locations of fire alarms - Answer- For safety preparedness, all new employees should learn what The person who installed the lock - Answer- Who holds the key to the lock when a machine is being serviced when a lock-out tag-out is done 1/16 - Answer- which distance is represented by the shortest line on a standard tape measure Circuit Breaker - Answer- A device used to protect the circuit from damage safety data sheets - Answer- The acronym SDS stands for personal protective equipment - Answer- The term PPE stands for eye protection - Answer- What PPE must be worn along with a face shield binder in the shop - Answer- Where are SDS located when the proper size of a fixed wrench is not available - Answer- An adjustable wrench is used primarily when Occupational Safety and Health Act - Answer- What does OSHA stand for Class C - Answer- Fire extinguishers that use a dry powder to smother an electrical fire gasoline vapor are highly flammable - Answer- Keep gasoline in an underwriter's laboratory (UL) approved by safety container because... Fiberglass - Answer- Which ladder should be used to avoid electrical shock Class D - Answer- Fires that involve burning metals lock-out tag-out the power on the circuit - Answer- When replacing a defective switch in a facility where no one else is around, the mechanic should follow safe-work guidelines and..... 3' - Answer- Minimum distance an extension ladder should extend above the roof Lock-out tag-out - Answer- Safety procedure that prevents the unexpected start-up of machinery and equipment during maintenance or repair is called.... 6' - Answer- Employers must provide fall protection to workers working on surfaces with unprotected sides and edges that are how many feet above the lower level make the impeller out of balance - Answer- Dirt built-up on rotors and stators on a machine parts can... lock-out tag-out - Answer- Proper procedure to use before fixing a broken machine or when a broken tool is.... teeth are not properly set on the saw - Answer- When a handsaw is sharp but still will not cut wood, the- wearing of parts by friction - Answer- Applying lubrication to moving machine parts reduces.... perfectly flat - Answer- a common or straight screwdriver in good condition has a tip that it- clean the unit and change the filter - Answer- The most important and routine heating and air conditioning maintenance item is to- ground plug - Answer- all extension cord plugs must have a _____ plug blade is dull and needs replacing - Answer- A circular saw that has difficulty cutting through wood or requires excess force to make the cut means the... strain relief - Answer- all power tools cords should have a _____ where the cord attaches to the tool friction - Answer- The action of one surface or object rubbing against another is defined as.... dull and unusable - Answer- a drill bit tip that is blue and black in color is.... thrown out - Answer- An extension cord with a deep slice must be.... according to the manufacturer's instructions - Answer- lubricating machines in a shop is done.... pitch and resin remover - Answer- use _____ to clean sap and grime from drill bits, saw blades, and router bits 3/4" x 9 1/4" - Answer- The actual size of a 1' x 10' blunt the nail - Answer- to prevent splitting wood when nailing bear the end of the board baseboard - Answer- a board placed along the floor against the walls and partitions to hide gaps between drywall and floor hinge - Answer- the hardware installed on a door to make it swing open and closed stove bolts - Answer- flat or round head bolts with a common screwdriver slot are called.... fiberglass insulation - Answer- which material is a good insulator and air sealer perfectly horizontal - Answer- the term 'level' means- carriage bolt - Answer- both with round smooth head with a square section just under the head to prevent the bolt from spinning while tightening accurate inside and outside measurements - Answer- the hook on the end of a tape measure moves slightly for- anchor bolt - Answer- bolt used to fasten sill plates to foundation walls wood backerboard - Answer- to prevent blowout when drilling through wood use a..... dimension line - Answer- a solid line on a blueprint with arrowheads at either end denotes a- above finish floor - Answer- AFF on a set of plans CDX (X- exterior grade) - Answer- grade of plywood typically used for sheathing walls and roofs symbols - Answer- used to make blueprints easier to read an identify building components 1 1/2" x 3 1/2" - Answer- actual size of a 2 x 4 2 1/2" - Answer- length of an 8d (8 penny) nail claw hammer - Answer- tool used to remove nails from wood that have not been driven home combination square - Answer- tool that has the ability to be used as a marking gauge to scribe lines on wood butt joint - Answer- easiest wood joint to make drill a pilot hole - Answer- the best practice to prevent screws from splitting wood real answer: sliding t-bevel nocti answer: compass - Answer- tool used to transfer an angle from one piece of material to another #2 - Answer- standard Phillips screwdriver tip sixteenth - Answer- auger bits are sized in _____ increments protractor - Answer- the speed square is similar to a _____ in that the correct angle can be found when using a sliding t-bevel as a marking gauge to scribe and transfer a cut line 4' x 8' - Answer- size of a sheet of plywood (W' x L') height of the structure - Answer- what does an elevation plan show nut - Answer- hardware placed on a bolt, when tightened, secures the bolt in place nail set - Answer- tool used to countersink nails below the surface of wood machine bolts - Answer- bolts that have a square or hex head that is held with a wrench to keep the bolt from turning as the nut is tightened chalk line - Answer- tool used to make straight lines on sub-flooring to set framed walls straight plumb bob - Answer- what is used to vertically transfer a specific point above to locate another point directly below it duplex - Answer- a two headed nail carpenters hammer - Answer- hammer used to drive in nails perfectly vertical - Answer- the term plumb means- 1 1/2" - Answer- length of a 4D (4 penny) nails flip and spin on a flat surface - Answer- how to test a level for accuracy National Electrical Code - Answer- What does NEC stand for wire nut - Answer- the correct connector to secure twisted wires 80" - Answer- the center line height to install an adjustable bar hanger above the floor for a vanity light EMT - Answer- Conduit must be connected to a metal box using a(n) _____ connector two 110V wires - Answer- what is a 220V receptacle is made of 4 1/2' - Answer- The NEC states that NM-B cable shall be secured within 12" of each box and every ______ feet vertically thereafter, and within 8" of a single gang non-metallic box without clamps electrical metal tubing - Answer- what does EMT (conduit) stand for 35 pounds - Answer- How many pounds can a ceiling paddle fan outlet box support 1 1/4" - Answer- The edge of a hole bored in a 2" x 4" for electrical wire must at least ______ from (measured) to the edge of the 2" x 4" 4 #12 - Answer- a yellow wire nut can connect a maximum of _____ AWG together circuit overload damage - Answer- A fuse installed with a rating higher than the required current rating will result in ______ ungrounded (hot) - Answer- The NEC states all single pole switching must be connected to the ______ conductor two 3 way and one 4 way - Answer- a light circuit switched from three different locations is controlled by _______ switches white - Answer- wire color for neutral wires that carry current between 3 and 4 way switches - Answer- what does the term traveler refer to grounding - Answer- all extension cord plugs must have a ______ plug two - Answer- How many locations can a 3 way switch control power from the wire will not come off while being tightened - Answer- when tightening the terminal screw, why should the hook on the end of the wire wind around the screw in the same direction