Q2.In simple exponential smoothing forecasting, to give higher weightage to recent demand information, the smoothing constant must be close to
Answer : Option DExplaination / Solution:
Value of α close to one have less of a smoothing effect and give greater weight to recent changes in the data.
Q4.A minimal spanning tree in network flow models involves
Answer : Option BExplaination / Solution:
A path forms a loop or cycle if it connects a node itself. A spanning tree links all the nodes of
network with no loops allowed.
Q8.Consider the given project network, where numbers along various activities represent the
normal time. The free float on activity 4-6 and the project duration, respectively, are
Answer : Option AExplaination / Solution: No Explaination.
Q9.A cylindrical blind riser with diameter d and height h, is placed on the top of the mold cavity
of a closed type sand mold as shown in the figure. If the riser is of constant volume, then the
rate of solidification in the riser is the least when the ratio h/d is