The domestic electric appliances,these day have star rating (up to 5 star) on them.The number of star on them denotes that, more the number of stars :
1) higher the long span of the appliance
2) higher the energy efficiency of the appliances
3) better performance of the appliances
which of the above statements is/are above true ?
a) 1 only
b) 2 only
c) 1 and 2 only
d) 1 and 3 only
The answer is a) 1 only. – Higher the energy efficient of the appliances.