Related Questions

Soil erosion can be prevented by
A Removal of vegetation
B Overgrazing
C Afforestation
D Increasing bird population
Soil erosion can be prevented by ________
A Allowing herbivorous animals to graze freely
B Growing plants on a large scale to form soil cover
C Making the land sloppy
D Adding chemicals to increase cohesion
Soil erosion in desert area can be prevented
A By strip ploughing
B By using manure
C By forestation
D By shifting cultivation
Hepatitis B can be prevented by
A Isolation of cases
B Restriction of movement in overcrowded place
C Improvement of sanitation and safe water supply
D Vaccination
Cytotoxic drug- induced vomiting can be prevented by
A Domperidone
B Ondansetrone
C Meclizine
D Metoclopramide
E Promethazine
Corrosion of metals can not be prevented by its
A Tempering
B Chromising
C Aluminising
D Alloying
Under which one of the following writs anofficial can be prevented from taking an action which he is offlcially not entitled?
A Mandamus
B Quo Warranto
C Certiorari
D Habeas Corpus
Galvanic corrosion can not be prevented by
A Cathodic protection
B Anodic protection
C Usage of largest possible anodic area
D Any one of these
Corrosion in boilers can be prevented by
A Deaeration of feed water
B Enhancing pH of feed water by adding alkali
C Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion
D All of the above
Cavitation can be prevented by
A Suitably designing the pump
B Maintaining the suction head sufficiently greater than the vapour pressure
C Maintaining suction head = developed head
D Maintaining suction head lower than the vapour pressure

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