Question

FOTOS
HELENE EXAMINATION
10
Underground water tank is popular in India it is usually used for large water tank
storage and can be built cheaply using cement-like materials. Underground water
tariks are typically chosen by people who want to save space. The water in the
underground lank is not affected by extreme weather conditions The underground
tanks maintain cool temperatures in both winter and summer Electric pump is
used to move water from the underground tank to overhead tank
Ramesh has build recently his house ans Installed a underground tank and
overhead tank
Dimensions of tanks are as follows:
Underground Tank Base 2m x 2m and Height 11m
Overhead tank Radius 50 cm and Helght 175 cm
On the basis of the above information, answer the following questions.
What is the capacity of the sump?
(1) 2200 litres
(ll) 44000 litres
(III) 4400 tres
(lv) 22000 litres
What is the ratio of the capacity of the sump to the capacity of the overhead tank?
(l) 175
(11) 1.25
(III) 25
(lv) 3.2
(a)
16)
(d)
If curved part of overhead lank need to be painted to save it from corrosion, how
much area need to be painted?
0 5 5 m
(11) 3 3 m
(HU) 2.5 m
(iv) 4.5 m
If water is filled in the overhead tank at the rate of 11 litre per minute, the tank
will be completely filled in how many time?
(0) 65 min
(11) 62 5 min
(11) 130 min (iv) 125 min
If the amount of water in the sump, at an instant, is 2400 litres, then the water
level in the sump at that instant is
6​

Answer 1

Answer:

next time u better send a pic it's soo clumsy