Government Polytechnic 2010 Diploma in Hospital Management Vitreous Enamels - Question Paper

Q.1 (a) define about Muffle Furnaces and Enamel Frit. 07
(b) Write about Borax, Coloring Agent and Quartz. 07
Q.2
(a) Write the functions of fluxing agents in enamel frit. 07
(b) define the method of preparing enamel slip. 07
OR
(b) Write the different methods of enamel application. 07
Q.3
(a) define the different defects of enamel wares. 07
(b) Write the properties of enamel wares. 07
OR
Q.3 (a) Write the mehtod of firing of enamel wares. 07
(b) What is enamel ? discuss. 07
Q.4
(a) Write short notes on Electrolytes and China clay. 07
(b) Write short notes on Frit Furnaces and Spray gun. 07
OR
Q. four (a) Write the difference ranging from ground coat and cover coat enamel. 07
(b) define the industrial use of enamel wares. 07
Q.5
(a) Write the different raw materials used for enamel making. 07
(b) Write the method of cleaning of metal surface before application of
enamel coats.
07
OR
Q.5 (a) Write the method of pickling. 07
(b) define the method of manufacturing of enamel frit. 07

Earning:   Approval pending.