Related Questions

Galvanic corrosion
A Occurs in a bimetal couple
B Occurs in highly stressed metallic parts only
C Is exemplified by caustic embrittlement of boiler tubes
D Is also called dezincification
Corrosion of metals can not be prevented by its
A Tempering
B Chromising
C Aluminising
D Alloying
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
Corrosion involves exchange of electrons in __________ corrosion.
A Chemical
B Electrochemical
C Both A & B
D Neither A nor B
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
Soll erosion can be prevented by-
A increasing bird population
B afforestation
C removal of vegetation
D over grazing
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
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

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