Related Questions

Powdery materials can be guarded against caking tendency on storage by
A Providing irregular grain size
B Providing minimum percentage of voids
C Having maximum possible points of contact
D None of these
Handling of ashes and similar materials can be done best by a __________ conveyor.
A Flight
B Drag or slat
C Belt
D Ribbon
__________ 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
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
Width and speed of a conveyor belt depends upon the __________ of the material.
A Lump size
B Bulk density
C Both A & B
D Neither A nor B
The capacity of a belt conveyor depends upon two factors. If one is the cross-section of the load, the other is the __________ of the belt.
A Speed
B Thickness
C Length
D None of these
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
The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.
A 0
B 100
C 50
D None of these
In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres.
A Polythene
B PVC
C Rayon
D Polyvinyl acetate
Load carrying capacity of belt conveyor is about
A 20 to 40 tonnes/hr
B 50 to 100 tonnes/hr
C 100 to 150 tonnes/hr
D 150 to 200 tonnes/hr

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