6.Consider the following operations : # Drilling # Blasting # Mucking # Placing steel # Placing concrete The correct sequence of these operations in tunnel construction is

7.For a given activity, the optimistic time, pessimistic time and the most probable estimates are 5, 17 and 8 days respectively, The expected time is

8.The original cost of an equipment is Rs.10,000/-. Its salvage value at the end of its total useful life of five years is Rs. 1,000/-. Its book value at the end of two years of its useful life (as per straight line method of evaluation of depreciation) will be

9.The basic action involved in sheep foot rolling is

10.In the time-cost optimization, using CPM method for network analysis, the crashing of the activities along the critical path is done starting with the activity having