Gujarat Technological University 2010 Diploma in Hospital Management Mining Machinery - I - Question Paper

Q.1 discuss different mineral transportation methods used in underground
mines.
14
Q.2
(a) discuss in brief constructional features of hydraulic excavator. 07
(b) define in brief main units of drag line. 07
OR
(b) discuss with sketch working principal of back hoe. 07
Q.3
(a) Compare Gravity rope haulage with Direct rope haulage. 07
(b) Compare belt conveyor with scraper chain conveyor. 07
OR
Q.3 (a) List out different locomotives haulage used in underground mines
with their applicability conditions.
07
(b) discuss rope tensioning arrangement of end less rope haulage. 07
Q.4
(a) Write advantage and disadvantage of main and tail rope haulage. 07
(b) discuss working principal of flame trape and exhaust conditioning
box.
07
OR
Q. four (a) discuss in brief safety devices used on underground haulage system. 07
(b) Compare Roto pump with Ram pump. 07
Q.5
(a) Sketch and define working principal of siphon. 07
(b) discuss water hammer with its causes and remedies. 07
OR
Q.5 (a) Sketch and define balancer disk used in mine pumps. 07
(b) Compare turbine pump with bore hole pump. 07

Earning:   Approval pending.