Question

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Q1. What is the ratio of curved surface area of the larger filter to that of the smaller filter? *
1 point
A) 1:2
(B) 2:1
(C) 1:4
(D) 4:1
2.What is the outer curved surface area of the small filter? *
1 point
A) 212sq.cm
(B)704sq.cm
(C) 256sq.cm
D) 240 sq.cm
3.If the perforations of the copper plate (circular holes) cover 72% of the curved surface area of the filter, then what will be the area of actual copper used in the outer protective layer of the Larger filter? *
1 point
(A) 1609.14 sq.cm
(B) 1158.58 sq.cm
(C) 394.24 sq.cm
(D) 1013 . 76 sq.cm
4.The inner volume (free space) of the smaller filter approximately equal to *
1 point
420 Cubic cm
1600 Cubic cm
1000 Cubic cm
800 Cubic cm

Answer 1

Answer:

1- 2

2-3

3-1

4-4

Step-by-step explanation:

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