A. Electrochemical deposition
B. Gaseous reduction
C. Atomisation
D. Mechanical attrition
Related Mcqs:
- Powder metallurgy process does not make metal powder by_________________________?
A. Atomisation
B. Grinding/milling
C. Hammering
D. Electrolytic deposition - Which of the following can be manufactured using powder metallurgy techniques ?
A. Brake linings
B. Bearings
C. Carbide tool tips
D. All A, B and C - Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of_____________________?
A. 90% tungsten carbide and 10% cobalt
B. 70% aluminium oxide & 30% silica
C. 30% nickel, 15% chromium & 55% tungsten
D. 65% tungsten & 35% zirconium - Powder metallurgy technique is used in the production of ____________________ tools ?
A. Tungsten carbide
B. High carbon steel
C. High speed steel
D. Drilling - Property responsible for the talcum powder to cling to the skin is the__________________?
A. Capillary action
B. Adhesion
C. Cohesion
D. Surface tension - For preparation of porous bearings by powder metallurgy, preferred particle shape is___________________?
A. Spherical
B. Nodular
C. Irregular
D. No preferred shape - Powder metallurgy is used to produce__________________?
A. High precision components with complex cavities and sharp features
B. Components of large size
C. Porosity free components
D. Components of such alloys whose constituents do not form alloys readily - Spherical shape of mercury droplets is due to its____________________?
A. High viscosity
B. Low surface tension
C. High density
D. High surface tension - Gage pressure within a spherical droplet of a fluid is ‘p’. What will be gage pressure within a bubble of the same size & of the same fluid ?
A. p
B. 2 p
C. 0.5 p
D. 0.25 p - Which of the following low melting alloy containing bismuth and lead is used for electric fuse ?
A. Wood’s metal
B. Babbitt metal
C. Monel metal
D. Duralumin
