Related Questions

Which of the follwoing mechanical conveyors does not come under the division 'scrapers'?
A Ribbon conveyor
B Flight conveyor
C Bucket elevators
D Drag conveyor
Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'?
A Bucket conveyor
B Flight conveyor
C Screw conveyor
D Both B and C
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
If a D.C. motor is to be selected for conveyors, which rioter would be preferred?
A Series motor
B Shunt motor
C Differentially compound motor
D Cumulative compound motor
If a D.C. motor is to be selected for conveyors, which motor would be preferred ?
A Series motor
B Shunt motor
C Differentially compound motor
D Cumulative compound motor
Apron conveyors are used for
A Heavy loads & short runs
B Small loads & long runs
C Heavy loads & long runs
D None of these
Screw conveyors are
A run at very high rpm
B suitable for sticky materials
C suitable tor highly abrasive materials
D all A, B and C
For material transportation, conveyors are used when the prevailing conditions include
A Loads are uniform
B Routes do not vary
C Materials move relatively continuously
D All of these
Which cell division of phase of cell division maintains the chromosomes number constant from generation to generation?
A Mitosis
B Meiosis
C Prophase I
D Zygotene
In animal cells, cell division starts with the division of
A Centromeres
B Centrioles
C Centrosomes
D Ribosomes

Next steps