Andhra Pradesh ECET Ceramic Technology Paper 2019 on Professional Knowledge
| Sr. No. | Question |
| 1 | Which of the following is a primary clay ?
(a) Ball Clay (b) China Clay (c) Fire Clay (d) Than Ball Clay Ans – (b) |
| 2 | Study of minerals is called
(a) Geology (b) Petrology (c) Mineralogy (d) Oligology Ans – (c) |
| 3 | Hardness of Diamon is Moh’s scale is
(a) 7 (b) 8 (c) 9 (d) 10 Ans – (d) |
| 4 | The word ‘Ceramic’ is meant for _______
(a) Soft material (b) Hard material (c) Burnt material (d) Dry material Ans – (c) |
| 5 | During sintering densification is NOT due to
(a) Atomic diffusion (b) Surface diffusion (c) Bulk diffusion (d) Grain growth Ans – (b) |
| 6 | The Muscovite is known as
(a) White mica (b) Black mica (c) Red mica (d) Brown mica Ans – (a) |
| 7 | Talc is used in ceramic processes as a
(a) Floculent (b) Defloculent (c) Lubricant (d) Anti sticking agent Ans – (c) |
| 8 | Which of the following is a Renewable Energy Source ?
(a) Producer gas (b) Water gas (c) Hydrogen gas (d) Coal gas Ans – (c) |
| 9 | The structure of Alumina is
(a) Cubic (b) Hexagonal (c) Tetragonal (d) Orthorhombic Ans – (b) |
| 10 | The fuller’s earth is
(a) Kaolinite (b) Montmorilonite (c) Mica (d) Diatomite Ans – (a) |
| 11 | The fumed silica is widely used to make
(a) Glass (b) Castable refractories (c) Ceramic tiles (d) Cement Ans – (b) |
| 12 | Which of the following raw material is toxic ?
(a) Pyrophilite (b) Asbestos (c) Vermicellite (d) Mica Ans – (b) |
| 13 | The Andresen pipette is used to measure
(a) Moisture content (b) Plasticity (c) Particle size (d) Surface area Ans – (c) |
| 14 | Which law is used in sedimentation method ?
(a) Stoke’s Law (b) Rault’s Law (c) Henrey’s Law (d) Gibb’s Law Ans –(a) |
| 15 | Which of the following material is used in Fireclay refractories ?
(a) Grog (b) Magnesite (c) Chromite (d) Dolomite Ans –(a) |
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