higher

lower

remain unaffected

unpredictable

supercharging reduces knocking in diesel engines

there can be limited supercharging in petrol engines because of detonation

supercharging at high altitudes is essential

supercharging results in fuel economy

equal to stroke volume

equal to stroke volume and clearance volume

less than stroke volume

more than stroke volume

transformer

d.c. generator

capacitor

magnetic circuit

increase efficiency

increase power

reduce weight and bulk for a given out-put

effect fuel economy