Voids or pore spaces within a material expressed as a percentage of the total volume of the material is called

calculated head refers to

in ore dressing sulfide minerals respond most likely to

if f c and t are corresponding metal assays as feed concentrate and tails then the ratio of concentration may be expressed as

what particular sulfide deposits are found in zone three of pod form chromate mineralization

The conditioner used to regulate alkalinity of the pulp is

Step in assaying wherein dore is formed is called

ore is composed of

the law that states that the energy consumed in grinding is proportional to the new surface area created is

the gangue mineral in a lead zinc complex ore id

A middlinh is concentration refers to

lime is addrd in flotation as

one pound mole of gas at standard condition occupies

The universal fuel used in metallurgical furnaces is

These are good examples of bio chemical precipitation of iron minerals in which bacterial actions causes the precipitation of ferric oxide and hydroxides

the ratio of concentration of 50 to 1 means that

avogadros number is the number of atoms in one gram atom which is

pod form from my deposits have three zones of mineralization in what particular zone do most metallurgical and refractory type of chromite associates

a most widely used collectors are

the primary grinding the ideal circulating load rato is

in carbon in pulp process of gold recovery granular carbon is called

commercial sink and float processes used as medium

in ball milling the ball charge centrifuge when the

niter is a

The process of separating the ore minerals from the gangue minerals is

acid mine drainage refers to

The ratio of the weight of the head to the weight of the concentrate is called

pulp density is

leaching gold is considered

coal suited for the production of coke is

the sp. gr. / density of ore in which the voids and moisture are included

Depressors are substances that

The method of separating a mixture of minerals into two or more products on the basis of velocities at which the grains will fall thru a fluid with medium is called

Hindered settling refers to which of the following

a tonnage factor that is equal to 2000/62.5 has a unit of

The percentage of the metal in the concentrate against the total metal contained in the ore is called

The flotation process of recovering two or more minerals a separate concentrate is called

The width of the opening at the discharge of a crusher is

sluice boxes are used kn

the CaO in CN solution to maintain protective alkalinity is

the term “plasticity” is applied to material which

elasticity is the Property a body processes that allows

malleability property of material is that property which allows

hardness property of material is a bodys ability

an example of a material with the mechanical property of brittleness is

the malleability of most materials will ____ when the mterial is heated

the mechanical property that determines whether a material will break or stand up under a sudden impact or hard blow is

materials which break rather than bend even though great force is required to break them are said to be

a material is said to possess ______ if it is very soft and easily deformed

the property of a material which enables it to be deformed under tension or stretched without rupture

property of a material which enables it to resist wear abrasion and penetration

the material prpperty of toughness can be tested by 1. drop test 2. Charpy test 3. izod test 4. brinell test

the materials ability to withstand great deformation under hugh loads before rupturing is a measure of its

bodys ability to resist change in shape and size under an applied load is known as

a material that will break suddenly without very much deformation occurrinh before fracture is called

examples if materials that have the mechanical property of hardness are 1. stellite 2. babbit 3. carbon tool steel 4. diamond

two common tests used to determine the toughness of a material are the charpy and ____ tests

the ultimate strength of a material determined by a test known as the tensile test

a tensile test is performed by subjecting the specimen to a

cast iron is produced by melting pig iron together with

iron is produced in a blast furnace from

cast iron has certain percentage of carbon present

the most important property a metal must posses to be used in construction of a spring is

white metal used for slow speed and heavy load applications is composed of

of all the material listed below the one which the property of brittleness is the highest is

a special type of alloy steel used for tool making is