35(5 
Senior Examination Papers, 1892 . 
fallow, oil light gravels, or wet heavj' lands, and give the approximate cost of 
labour per acre in each case and class of soil. 
5. State shortly the best kind of grasses for making ensilage, the system 
to be followed for filling silo or stack, cost of same, and the difference in 
temperature and pressure, necessary to be observed, in making sweet or 
sour silage. 
6. Given the live weight of cattle and sheep. Show how best to arrive at 
the dead weight, taking into account the difference in quality and breeding 
of the animal. 
7. Describe the difference in a Shorthorn and a Jersey cow from a tenant 
farmers point of view, the kind of feeding most profitable, and the cost weekly 
of each breed. Give yearly results, taking into account respective merits as 
milk, butter, and beef producers. 
8. Describe shortly the general management of a breeding ilock of 300 
ewes before and after lambing, and give a brief idea of the number of lambs 
on an average of years to be expected, and the difference in management if 
the lambs are intended for sale as fat lambs, or kept round on the farm for 
store sheep. 
It. Give a brief account of the process of haymaking, clovers and meadow 
grasses respectively, cost of each and quantity per acre, having regard to a 
fine or shower^' season. 
10. Given 20 gallons of new milk. What quantity of cream on an average 
would the separator give, and how much butter would be produced after churn- 
ing, from Shorthorn and Jersey cows respectively ? Give a short statement of 
the improved method of churning, as to the various appliances • best to use, 
and temperature at which to churn according to time of year. 
VIVA VOCE EXAMINATION IN AGRICULTURE. 
Maximuai Nuaiker of Marks, 100. Pass Nuaiber, 50. 
Wednesday Afternoon, May IDA. 
EXAMINATION IN CHEMISTRY. 
Maxi-muai Nuaiber op Marks, 200. Pass Number, 100 
A. General Cheaiistry. 
Thursday, May \‘ith,from 10 a.m. till 1 yJ.M. 
1. State the general composition of atmospheric .air. Under what circum- 
stances will nitrogen combine with oxygen ? How can nitric oxide be converted 
into nitric acid ? 
2. Give the composition of the substance which causes the smell of burn- 
ing sulphur, and some account of its properties. Explain its action with a 
solution in water of (1) chlorine, (2) permanganate. 
3. Describe the chief properties of charcoal and of graphite. 
4. Calculate the weight of nitrate of soda which is required to produce 
100 lb. of nitric acid, and the least weight of sulphuric acid which will effect 
the change. (Na = 23, S = 32.) 
5. State the composition of the oxides of carbon. What circumstances 
increase the solubility of carbonic acid gas in water ? How are the properties 
of water affected by holding that gas in solution ? 
(!. Silicic acid, hj'drate of alumina, and many other hydrates are said to be 
colloid substances ; state what that means, and what are the special properties 
of that class of bodies. 
7. How do cast iron, wrought iron, and steel differ in composition and in 
properties ? How is iron galvanized, and what is gained by the treatment f 
