Related Questions

An alternative optimal solution to a minimization transportation problem exists whenever opportunity cost corresponding to unused route of transportation is:
A Positive & greater than zero
B Positive with at least one equal to zero
C Negative with at least one equal to zero
D None of the above
A belt conveyor used for the transportation of materials can
A Run upto 1 km
B Travel at a speed upto 300 metres/minute
C Handle materials upto 5000 tons/hr
D All of the above
__________ conveyor is the most suitable for long distance transportation of cold, non-abrasive granular/irregular shape/fine materials.
A Bucket
B Belt
C Screw
D Apron
Which of the following conveyors cannot be recommended for transportation of abrasive materials?
A Belt conveyor
B Apron conveyor
C Flight conveyor
D Chain conveyor
Refrigerative cooling employed during long distance transportation of food stuffs is normally done by
A Ice
B Liquid nitrogen
C Liquid oxygen
D Vacuum evaporation
Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor.
A Flight
B Slat or drag
C Ribbon
D Screw
Bucket elevators are not suitable for the vertical lifting of __________ materials.
A Fine (e.g. - 200 mesh size coal)
B Sticky (e.g. clay paste)
C Small lumpy (e.g. grains and sand)
D Free flowing
5% merchandise of a trader was stolen and another 5% was damaged during transportation. At what profit (in %) should he sell the rest of the merchandise so that he can make an overall profit of 20%?
A 22.25%
B 27.50%
C 30%
D 33.33%
The initial solution of a transportation problem can be obtained by applying any known method. However, the only condition is that.
A The solution be optimal
B The rim conditions are satisfied
C The solution not be degenerate
D All of the above
Stability of a control system containing a transportation lag can be best analysed by
A Routh test
B Root locus methods
C Frequency response methods
D None of these

Next steps