Select the correct option to test your answer:
Mining Engineering
Mine System Engineering
Difficulty: Medium
A queue of trucks at a crusher plant hopper is known to be M/M/1 queue. The probability that there is no truck to unload is 0.3. Due to rains the mean service time at the hopper is increased by 30%. As a consequence, the expected number of trucks in the queuing system (including the one possibly unloading) becomes
More Mining Engineering Questions
Every automatic contrivance and every brake shall be tested once atleast in every . . . . . . . . days, by raising each cage or other means of conveyance, inturn, to pass the last control point above the top most landing.
As per Circular which of the following flaw detectors is required to have been owned by the manufacturer in connection with CSG?
Samples of coal dust in the mine with stone dust should be taken at regular intervals of . . . . . . . . days.
Exhaust fan located at the mouth of . . . . . . . . shaft.
The weight of AFD . . . . . . . . with battery.