GATE 2017-2018 :: GATE Mining Engineering
- Events A and B are independent but NOT mutually exclusive. If the probabilities P(A) and P(B) are 0.5 and 0.4 respectively, then P(A ∪ B) is
- Among the following options, the specific energy for rock-drilling is lowest in
- Identify the correct statement for a 'normal distribution'.
- An emulsion explosive of specific gravity 1.25 is used for blasting in an iron ore formation having P-wave velocity of 3000 m/s and specific gravity of 3.20. For an explosive impedance to rock impedance ratio of 0.5, the desired velocity of detonation of the explosive in m/s is
- The number of ways in which the letters in the word MINING can be arranged is
- Under standard temperature and pressure conditions the theoretical maximum height in m to which water can be lifted using an air-lift pump is
- In a belt conveyor system, function of the snub pulley is to
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In the following figure, the coefficient of kinetic friction between the trolley and the surface is 0.04. When the block is released from rest, the acceleration of the trolley in m/s2 becomes
- Two meshing spur gear wheels of Module 6 have 24 and 42 teeth. The distance in mm between the centres of the gear wheels is
- In an experiment to study coal dust explosibility, it is found that at least 3.0 g of limestone dust should be added to a sample of 2.0 g of coal dust to ensure that propagation of flame does not take place. The explosibility factor of coal dust is
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