MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Mechanical Engineering
Powder Metallurgy
Quiz 2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Q.1
What is the disadvantage of powder metallurgy ?
no skill labor required
reduction in production time
close dimensional tolerence
die design limit the size of product
Q.2
Which one is not the powder metallurgy product ?
iron & steel
aluminium
tin
zinc
Q.3
Based on answer below, which is not the type of particle shape in Powder Metallurgy?
spherical
diamond
spongey
flakey
Q.4
What is Mesh Count
refers to the number of openings per linear inch of screen
refers to the number of inch of screen
refers to the numbers of particles
all of above
Q.5
Green strength is
Strength of unsintered components
Strength sintered components
Strength of raw metals
Difference in strength of sintered and unsintered components
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
Polymerisation
Pulverisation
Fragmentation
Infiltration
Q.7
Copper is the primary metal produced by ______________
Atomisation
Crushing
Electrolysis
Compaction
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.
Reduction
Atomisation
Pulverisation
Electrolytic Process
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 ____________
Mechanical Pulverisation
Atomization
Chemical reduction
Electrolytic Process
Q.10
Range of particle size in powder to be used for powder metallurgy should vary from ___________________. Powder metallurgy has small wastage of material.
4 microns to 200 microns
0.300 to 0.003 microns
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.
Pulverisation
powder metallurgy
Atomic Reduction
Electrolytic process
Q.12
The production of highly porous parts by ________ using suitable spacer materials is a well-established technique for titanium and stainless steel.
Press forming
Sand casting
Metal casting
powder metallurgy
Q.13
___________ is simply the empty space in the product material.
Viscosity
Malleability
Porosity
Ductility
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 _________________
Powder metallurgy
Sand Casting
Machining
Metal casting
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?
Atomization
Reduction
Crushing
Electrolysis
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.
Mixing
heat treatment
Pressing
All the above
Q.17
Density in sintered product is improved byi.) hot pressing ii.) Cold pressing iii.) Machining iv.) Coining
i, ii & iv
ii & iv
i & iv
i, ii, iii & iv
Q.18
Sintering increases
electrical conductivity, density and ductility
electrical conductivity, density and brittleness
porosity, electrical conductivity and brittleness
porosity, density and ductility
Q.19
Which of the following tool is manufactured by powder metallurgy?
High speed steel
Sintered carbides
High carbon steel
Low carbon steel
Q.20
The parts produced by Powder metallurgy
always require machining
are of higher dimensional accuracy
can not be heat treated
none of the above
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page