Q.1.
What is the disadvantage of powder metallurgy ?
Q.2.
Which one is not the powder metallurgy product ?
Q.3.
Based on answer below, which is not the type of particle shape in Powder Metallurgy?
Q.4.
What is Mesh Count
Q.5.
Green strength is
Q.6.
Porosity of sintered products can be improved by process of ____________ by which the pores are filled with a lower melting point metal by capillary action
Q.7.
Copper is the primary metal produced by ______________
Q.8.
___________ is the process of formation of metal powder to use in powder metallurgy by reducing some compound with CO or other reducing agents.
Q.9.
The disintegration of a molten metal into particles by a rapidly moving gas or liquid stream or by other means is known as ____________
Q.10.
Range of particle size in powder to be used for powder metallurgy should vary from ___________________. Powder metallurgy has small wastage of material.
Q.11.
The _________________ process yields net-shape, or near-net-shape parts, so that little or no machining is required to obtain a finished part in many cases.
Q.12.
The production of highly porous parts by ________ using suitable spacer materials is a well-established technique for titanium and stainless steel.
Q.13.
___________ is simply the empty space in the product material.
Q.14.
The process which allows us to create high-quality components, while near-net-shape dimensional control provides a high degree of control over the manufacturing process, facilitating the production of complex shapes is _________________
Q.15.
Process of forming metal powder by directing molten metal through an orifice after which it is break into small particle using high pressure fluid is known as?
Q.16.
Sintering is a ____________________process commonly used to increase the strength and structural integrity of a material. Powder metallurgy use sintering to convert metal powders to end-use parts.
Q.17.
Density in sintered product is improved byi.) hot pressing ii.) Cold pressing iii.) Machining iv.) Coining
Q.18.
Sintering increases
Q.19.
Which of the following tool is manufactured by powder metallurgy?
Q.20.
The parts produced by Powder metallurgy