41. Which of the following is not needed for atomization A. Melting of liquid B. Breaking of liquid droplet using gas or liquid C. High pressure in the chamber D. Collection chamber where solidified powder is collected Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
42. The pressure applied on powder particulates in isostatic pressing is in the range of A. 10 - 40 MPa B. 100 - 400 MPa C. 500 - 900 MPa D. 900 - 1000 MPa Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
43. In atomization process surface tension controls A. Malleability of the droplets B. Permeability of the droplets C. Size and shape of the droplets D. None of these Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
44. What is deagglomeration? A. Joining the agglomerates B. Braking of agglomerates C. Both A and B D. None of these Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
45. Ceramic tiles are widely used in kitchen, bathrooms which are classified as . . . . . . . . products. A. Structural B. abrasive C. metallic D. whitewares Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
46. The physical method of powder production includes A. Milling B. Atomization C. Electrolytic process D. Grinding Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
47. Which component is generally absent in glass composition? A. SiC B. SiO2 C. Na2O D. CaO Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
48. Which of the following factors does not promote powder deposits A. low temperature B. High current density C. High metal concentration D. High viscosity Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
49. In case of Finer powder particles need A. longer periods of grinding B. shorter periods of grinding C. Both A and B D. None of these Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
50. To remove frictions from the powder particulates and/or between powder and mould, the amount of lubricants used are A. 0.5 to 2% by weight of charge B. 50 to 90% by weight of charge C. 50 to 60% by weight of charge D. 90 to 95% by weight of charge Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
