Polymer Technology Catalyst used in the production of high density polythene by low pressure Ziegler process is Molybdenum Platinum Aluminium triethyl activated with TiCl₄ Nickel Molybdenum Platinum Aluminium triethyl activated with TiCl₄ Nickel ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polythene is most prone to stress-cracking High density Linear low density Cross-linked Low density High density Linear low density Cross-linked Low density ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of polymers are in the range of 10⁷-10⁹ 10⁹-10¹¹ 10²-10⁷ 10 to 10³ 10⁷-10⁹ 10⁹-10¹¹ 10²-10⁷ 10 to 10³ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most commonly used rubber vulcanisation agent is Alumina Bromine Platinum Sulphur Alumina Bromine Platinum Sulphur ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.56 0.91 0.81 0.38 0.56 0.91 0.81 0.38 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are - 20°C and 1 kgf/cm² 0°C and 1 kgf/cm² 5°C and 1 kgf/cm² 0°C and 3 kgf/cm² - 20°C and 1 kgf/cm² 0°C and 1 kgf/cm² 5°C and 1 kgf/cm² 0°C and 3 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
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