Related Questions

Which of the following factors adversely affects the capacity of the leadacid battery ?
A Temperature of surroundings
B Specific gravity of electrolyte
C Rate of discharge
D All of the above
The ampere-hour efficiency of a leadacid cell is normally between
A 20 to 30%
B 40 to 50%
C 60 to 70%
D 90 to 95%
The following indicate that battery on charge has attained full charge
A colour of electrode
B gassing
C specific gravity
D all above
In a battery cover is placed over the element and sealed to the top of the battery container. This is done
A to reduce evaporation of water from electrolyte
B to exclude dirt and foreign matter from the electrolyte
C to discharge both of the above functions
D to discharge none of the above functions
The battery is an electrochemical device, which means battery
A Makes chemicals by mechanical means
B Uses chemical action to provide electricity
C Has curved plates instead of flat plates
D Does not use an electrolyte
_______ of electrolyte indicates the state of charge of the battery
A colour
B mass
C viscosity
D specific gravity
If a battery is wrongly connected on charge following will happen
A current delivered by the battery will be high
B current drawing will be nil
C current drawing will be very small
D current drawing will be very high
Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of
A Higher effectiveness of boiler
B High calorific value coal being burnt
C Fouling of heat transfer surfaces
D Raising of steam temperature
When semaphore and warner are installed on the same post, then the stop indication is given when
A both arms are horizontal
B semaphore arm lowered but warner arm horizontal
C both semaphore and warner arms lowered
D none of the above
The charge of a room at Sheraton is 25% less than that of a room at Westin and 10% less than that of a room at Sonargaon . By what percent is the charge of a room at Westin is greater than that of Sonargaon ?
A 15%
B 17%
C 19%
D 20%

Next steps