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In case of a revolving mill, wet grinding compared to dry grinding
In case of revolving mill, wet grinding compared to dry grinding ___________
Consider the following statements regarding clutches 1. Dry clutch has higher coefficient of friction compared to wet clutch 2. The torque capacity of wet clutch is high compared to dry clutch. 3. The engagement in a dry clutch is smoother than in case of wet clutch. Which of the above statements is/are correct ?
A. __________ mill is a revolving mill divided into two or more sections by perforated partitions in which preliminary grinding takes place at one end and the finishing grinding at the discharge end.
A set of jobs A, B, C, D, E, F, G, H arrive at time t = 0 for processing on turning and grinding machines. Each job needs to be processed in sequence - first on the turning machine and second on the grinding machine, and the grinding must occur immediately after turning. The processing times of the jobs are given below. Job A B C D E F G H Turning (minutes) 2 4 8 9 7 6 5 10  Grinding (minutes)  6 1 3 7 9 5 2 4 If the makespan is to be minimized, then the optimal sequence in which these jobs must be processed on the turning and grinding machines is
The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.
In a laboratory test run, the rate of drying was found to be 0.5 × 10-3 kg/m2.s, when the moisture content reduced from 0.4 to 0.1 on dry basis. The critical moisture content of the material is 0.08 on a dry basis. A tray dryer is used to dry 100 kg (dry basis) of the same material under identical conditions. The surface area of the material is 0.04 m2/kg of dry solid. The time required (in seconds) to reduce the moisture content of the solids from 0.3 to 0.2 (dry basis) is
Which of the following statements represent Mill's position?
1. Mill does not accept the qualitative distinction of happiness
2. Mill regards health, honour and wealth as intrinsic values
3. Mill's theory is altruistic hedonism and qualitative utilitarianism
In which case the following observation was made by Justice Hankford: "Damnum may be abseque injuria, as if I have a mill and my neighbour builds another mill whereby the profit of my mill is diminished. I shall have no action against him, although I am damaged . . . . . . . . but if a miller disturbs the water from going to my mill, or does any nuisance of the like sort, I shall have such action as the law gives".
Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding.