Government Polytechnic 2010 Diploma in Hospital Management Surface Mining - Question Paper

Q.1 (a) Write advantages and disadvantages of Surface Mining. 07
(b) discuss in brief the points to be considered for preliminary
investigation of Surface mine.
07
Q.2
(a) describe Stripping ratio and discuss its importance for surface mining. 07
(b) discuss in brief mineral extraction and transportation method used in
surface mine.
07
OR
(b) discuss in brief steps involved in preparation of haul roads. 07
Q.3
(a) discuss in brief points considered for selection of site for Box cut. 07
(b) Draw a plan showing development of a surface mine. 07
OR
Q.3 (a) discuss preparation of LOX with its advantages. 07
(b) Differentiate ranging from Emulsion and ANFO explosive. 07
Q.4
(a) discuss different kinds of dumpers with its applicability. 07
(b) Sketch and briefly define spiral layout of shovel dumper
combination.
07
OR
Q. four (a) discuss the working method of Stacker and Reclaimer. 07
(b) discuss the working method of Bucket Wheel Excavator. 07
Q.5
(a) Compare belt conveyor system with Arial rope way system. 07
(b) discuss in brief working principal of Drag line. 07
OR
Q.5 (a) discuss different method of Secondary blasting. 07
(b) discuss in brief the factors affecting Pit slope stability. 07

Earning:   Approval pending.