plumbing

which is the most important rule to observe when ou lift a heavy object?

when lifting, your feeet should be

when lifting, your weight should be..

when you carry large panel products..

if an item is too heavy for two people to lift, you should..

why is proper ventilation of the workplace important?

List three important control systems found in the shop

on a construction site, when should a stairway be equipped with a handrail on both sides?

when misxed together, two comon household cleaning agents produce chlorine gas. they are..

the signal for stop when using hoisting platforms is

a compound is a substance which..

weight is the

the molecule can be described as..

what is density

what is cohesion

adhesion

when an external force tries to stretch a body, the body is said to be under the stress of..

a stress that tries to change the shape but not the volume of an oobject is called

a material that can be drawn into permanent wires  is said to have high..

the maximum force a solid can withstand without becoming permanently deformed is called its

elastiscity is the ability to

laminated wood is often used to make curved rafters because when compared to a single piece of curved wood, the laminated wood is..

the basic principle behind the operation of a hydraulic press is known as

volatility is a mesure of how quickly a material

an SAE number refers to a liquids

bernoullis principle states that

atmospheric pressure is often measured using a

what does resilent mean?

what is charles law?

the conservation of energy law states that energy can be..

kinetic energy is the energy associated with an objects

potential energy is the energy often associated with an objects..

power is defined as

a can is..

the effinciency of a screw thread is relatively

the term heat is defined as

temperature of an object is

a bimetallic strip is a layered strip of metal composed of

diesel engine exhaust temperatures are often measure musing a..

the R value ofa material refers to its

the amount of heat radiated from an object depends upon the objects temperature and its ..

what is an alloy ?

ferrous metals are metals that contain at least 5%

stainless steel is an alloy of iron, nickel and..

white cast iron can be heat treated to convert it to..

tool steel is different from mild steeel because it has a higher content of..

because of its low electrical resistance, lighness and corrosion resistance, transmission lines are often made from

brass is al alloy of zinc and..

what colour will copper have when oxidized?

the thickness of sheet metal is designated by

IF A SHEET OF STEEL IS BLUE OR BLACK IN COLOUR AND HAS SCales on its surface, it was probably formed by

when sheet steel requires protection from corrosion it is often

which softwood species used in construction is construction is considered to be the strongest?

bowing is the result of

what is the minimum width of a wooden scaffold plank?

what is the minimum height of a guardrail?

above what height does a saffold requirre a guardrail?

what is the maximum amount that a scaffold plank may project beyond its support?

what is the maximum force that a guardrail is required to resist?

what is the maximum slpe, vertical to horizontal, that is allowed for a work platform?

what is the maximum gap allowed under a toe-board?

what is the minimum width allowed for a work platform

what is the minimum amount that a scaffold plank may project beyond its supports?

what are the two basic structural components of steel scaffolding?

casters for steel scaffolds must have..

what is the maximum height of a rolling scaffold?

steel scaffolds fitted with casters also require..

what must be used to level a scaffold on uneven terrain..

what is required when placing an end frame on a wooden mud sill?

what is the maximum allowed height for a rolling scaffold which is being moved by workers on the scaffold

what is the maximum allowed height for a rolling scaffold which is being moved by workers other than thoses on the scaffold?

the allround system requires an

in a tube and clamp system, the planks are supported by..

to stabilize tube and clamp scaffolds, use

all scaffolds must be tied atintervals of..

the best location for the 38 mm x 89 mm (2x4) guardrail is on

the minimum size of nlumber used for toe boards is..

the maximum distance betweeen the horizontal building ties is..

the type of finish for a wooden ladder is

which of the following ladders is freeestanding?

a fullbody harness attached to a life linemust be used when working on a ladder jack scaffold higherr than

center to center spacing of the cleats on a single ladder is

the correct slope for single or extension laders is

minimum size for the side rail of a 3 m job built single laddder is..

the maximum allowable distance between supports for a manufactured plank used in a ladder jack scaffold is

the maximum depth allwoed for notches in the side rals of a job built ladder is

manila rope with one or more cloured strands is

the strongest of the ropes listed below is

the type of dry rope with the best electrical insulating properties is

when loaded to the breaking point, nylon rope will stretch up to

what is a thimble used for?

which synthetic rope will float on water?

to remove new rope from its shipping coil you should

ropes are best stored in areas which are

the maximum load imposed on a rope should never exceed

sharp bends and knots can reduce the strength of a rope by up to

the portion of the rope which forms the loop is calledthe

which of the knots listed below forms a non slip loop?

the knot whichy multiplies the tension you apply to a rope is the

if you had to join a large diameter rope to a small diameter rope you would use a

to join two ropes of the same diameter together you should use a

overhead lifting, you should use

what is the minimum clearance required while working around a 75 00 volt power line?

turnbuckles are used to adjust the length of slings so that loads can be lifted

shoulder type eye bolts are able to withstand pulls at an angle no greater than

when several ropes are to be attached to a single hook, make the connection to the hook using a

the u bolt part of a cable clip must be installed so it bears on the

the number of cable clips required for a connection depends on the

CORRECTLY INSTALLED CAble clips will reduce the breaking strenghth of wire rope by..

the size of a jack is designated by its

the mechanical advantage in hydraulic jacks is determined by the

a pulling device that can use either chain or wire is the

A pulling device that can use either chain or cable is the

an apparatus capable of long, continuous lifts is the

if you overload a tirfor jack the shear pin will break and

what type of gloves are not considered safe for handling materials?

the sound or light signal for LOWER IS

the sound or light signal for stop is

the sound or light signal for all clear is

the sound or light signal for Raise is

the combination square contains a spiritt level in its

the drill point guage is preset at an angle of

the smallest graduations on a metric pocket tape are

which of the layout tools listed below is the best one to use as a straightedge?

to compare the diameter of several holes you need

a center punch has tip that is ground to an included angle of

you should use a scriber to

drill point gauges have graduations that are used to measure the

the tool made from pieces of lumber 4 to 5 metreas long and used for leveling is a

the size of an adjustable wrench is designated by its

interlocking slip joint pliers are also known as

the only pliers that are suitable for holding items together are

to reduce friction when cutting the saw should be

the size of a screwdriver is indicated by the

when nailing boards to lumber thicker than the boards how long should the nails be?

what type of chisel should not be struck by a mallet

the size of a portable cirular saw is designated by the..

the rip guide is used to control the

you should set the saw so that the depth of cut is

the teeth at the front of a cirular saw should point

saber saw blades used to cut ferrous metals are easily recognized because of their

to prevent overheating the work piece, some band saws are euipped with

the smooth round portion of the twist drill that fits into the chuck is known as the

to remove the nut on the left spindle of a stationary grinder you must turn the nut..

the centre axis of the twist drill and the face of the grinding wheel should form an angle of

which type of nailer is used for fastening framing and sheathing

thread pitch can be described as..

the major diameter of a screw thread is measured at the ..

the nominal size of bolts includes the following two measurements

a threaded fastener that is used with a nut is called a

a stover nut is a type of...

grade markings as illustrated in figure 2 make reference to the bolts

a slotted hex nut is designed to be used with a

a threaded fastener that has screw threads on both ends and has no head is referred to as a

bolt washers that are used to prevent the nuts from coming loose are

which of the pin types listed below is used to align machinery parts during assembly?

to prevent nuts or bolt heads from damaging machinery parts, you should use

convenience pins are available 2 common types; quick lock pins and

the ring nail that is used to attach drywall is

cabinet components are nailed together with

the bolt with a tamperproof head is called a

the nut end of a bolt is inaccessible during assembly, you can use a bolt with a

when using a lag bolt to fasten an item to concrete, you would use

to fasten items to drywall where no backing exists, you would use

which type of tap should you use to start a thread in a hole?

plug taps are tapered along their length for approximately

when first using a thread die you should adjust it so that it cuts threads

to reform internal threads and bring the threaded hole back to its original size you could use

steel pipes of the same nominal size but of different schedule numbers will be identical when mesured at their

to join two internally threaded fittings that are close to eachother you should use a

rolls of different sizes of the same type of tubing should be stored

black steel pipe fittings should be stored in an area that is free from

the distance tubing should project above the die bar when you are going to form a double flare is..

you should try to keep  a bend away from the end of a flared tube so that the bend and the flare are no closer than

double flares are used on steel tubing to prevents

if you ask for a 1/4" hose, the dimension refers to the

a hose with the numbers -12 stamped on its side will be a hydraulic hose that

in order to prevent the flow of a pressurized fluid when disconnecting a quick coupler, you must install the

medium and high pressure hoses should be cut to length with a

to remove a socketless fitting from the end of a hose you must

when installing the hose into the socket and nipple fitting you have to

both the socketless and the socket and nipple hose fittings are

to cure preoperly, most adheasives require a temperature of about..

the type of adhesive that does not require the use of clamps is

over penetration of glue can result in a joint that is

which adhesive accepts stain more readily?

which of the following is an example of a polymerizing adhesive

to improve the flow of the solder you ust use

if a soft solder is labelled 40/60, this means it is made with

the proper time to apply flux to the surface of a joint is

when heating a fitting on a vertical section of tubing, you should start applying heat at the

if you apply too much heat too suddenly to one spot of a cast copper fitting you risk _____ the fitting

stronger joints can be made in sheet metal if you solder the joints with

an atom that has an electrical charge is

total voltage drop in a circuit must be equal to

what is the main purpose of the flux

when tinning stranded  wire..

describe the threse main indicators of an acceptable soldered connection

one way to change the strength of an electomagnet is to change the

what takes the place of a ground return wire in a single wire system?

what is a fixture

what is trim?

vitrification

____ is used for valve parts because it is highly resistant to corrosion

to properly fuse vitrified porcelain, temperatures of at least ____ are needed

vitrified means

copper is affected by

bronze is an alloy of copper and

brass is an alloy of copper and ..

what plastic pipe is not solvent welded

extrusion is a method of ______ pipe into the proper shape

wrought means

pipe which is heated and forced into shape by hammering is called

plastic pipe is usually made by

mandrels are used during

copper tubing is made by..

malleable iron fittings are made by--- and then heat treated to increase the malleability

SDR means

SDR is the ratio of the average outside diameter to the

different sizes of the same pipe with the same SDR would have the same

the main requirement for tubing used in a drainage system is that it NOT be

some plastics cannot be solvent welded because they are so

copper resists oxidation well, but it can be corroded by

steel tubing is chiefly used for..

_______ connot be used above ground for natural gas

the best and most economical gaskets are

______ should not be used to cut a gasket

the circle size cut by a manufactured gasket cutter is adjusted by moving the

a compass is used to mark

what are the two main properties of matter?

what is the density of fresh water in metric units?

what is the density of fresh water in imperial units?

what is velocity?

what is acceleration?

what is force?

what is work?

what is power

the separation of opposite charges will cause a force called..

List three ways used to prevent corrosion..

Density is the ratio of weight or mass to...

the downward weight force on a kilogram is..

if several solids are dropped into a liquid, the solid with the ___ volume will experiance the gretest buoyancy

absolute pressure is the sum of ..

the amount of heat required to increse the temperature of a unit mass weight of a substance one degree is called

5 types of drawings shown on a plot plan

info shown on a floor plan may include..

whats an elevation drawing

a _____ valve should always be either fully open or fully closed

a____ valve is ideal for throttling

a____valve is used for preventing backflow

A_____valve is used to reduce high water pressure from a main

A valve is usually installed with the stem pointing

sharp turns cause flow turbulence to

valves should be at least ___ pipe diameters downstream of an elbow

valves should be atleast___ pipe diameters upstream of an elbow

A shut off valve is required in the supply to each

Every water service pipe shall be provided with a __valve where the pipe enters the building

state maximum clearance between the tool rest and the grinding wheel

extension ladders shall not exceed ____ in length, and must have a minimum extension overlap of ____

scaffold planks should be supported every 1____ feet  for light work, and every  ___feet for heavy work, such as bricklaying and masonry.

name the two main types of sprinkler head