Related Questions

Those substances of the cell which take active part in chemical combination and hence produce electricity during charging or discharging are known as______materials.
A passive
B active
C redundant
D inert
In constant voltage charging method, the charging current from discharged to fully charged condition
A decreases
B increases
C remains constant
D none of the above
Under normal charging rate, the charging current should be
A 10% of capacity
B 20% of capacity
C 30% of capacity
D 40% of capacity
During the charging of a lead-acid cell
A Its voltage increases
B It gives out energy
C Its cathode becomes dark chocolate brown in colour
D Specific gravity of H2SO4 decreases
The average charging voltage for alkali cell is about
A 1 V
B 1.2 V
C 1.7 V
D 2.1 V
As compared to constant-current system, the constant-voltage system of charging a lead acid cell has the advantage of
A reducing time of charging
B increasing cell capacity
C both (A) and (B)
D avoiding excessive gassing
Following skin diseases presents with discharging sinus
A Actinomycosis
B Madura foot
C Darier's disease
D Porphyria cutanea tarda
E Scrofuloderma
Discharging sinuses may present in
A Scrofuloderma
B Madura foot
C Actinomycosis
D Darier’s diseses
E Porphyria cutanea tarda
A discharging umbilicus
A May indicate patent vitello-intestinal duct
B May indicate patent urachus
C At the time of menstruation
D it indicates endometriosis
E In neonate
F has no clinical significance
G Excision of umbilicus is the treatment of choice
Before discharging the foul sewage into rivers, it is generally treated by
A Screening
B Sedimentation
C Oxidation
D All the above

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