Related Questions

Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is
A Neutralised by alkali treatment
B Left as such without any treatment
C Diluted with fresh water to reduce its acidity
D None of these
A goal of data mining includes which of the following?
A To explain some observed event or condition
B To analyze data for expected relationships
C To confirm that data exists
D To create a new data warehouse
Data mining applications are used accomplish which of the following tasks?
A Process transactions only
B Do RFM analysis only
C Do what-if analysis only
D Do both RFM and what-if analysis
Data Mining uses simple arithmetic techniques such as sums, averages, and groupings to perform what-if analyses, to make predictions, and to facilitate decision making.
A True
B False
During logical database design, the conceptual data model is transformed into a logical data model which describes the data in terms of a specific data management technology.
A True
B False
Which one of the following pairs is not correctly matched? Important Location (Industry / Mining) : State
A Himgir : Uttar Pradesh
B Koraput : Orissa
C Palana : Rajasthan
D Nellore : Andhra Pradesh
. Choose the appropriate word that at home. idiomatically completes the following: 'The railway is a vital______ linking industrial and mining regions.
A nerve
B artery
C aorta
D vein
Mining industry usually employs following motive power
A A.C. electric motor
B Compressed air
C Petrol engine
D Diesel engine
Which country ranks top in the mining of gold?
A Canada
B U.S.A.
C China
D South Africa
At first glance, space mining seems to sidestep most environmental concerns there is no life on asteroids and thus no habitats trash .
A of
B with
C to
D and

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