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Civil Engineering - Building Construction - Discussion

Discussion Forum : Building Construction - Section 1 (Q.No. 24)
Building Construction
24.
While designing a stair, the product of rise and going is approximately kept equal to
350
420
450
500
600.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
32 comments Page 3 of 4.
Emmanuel said:   8 years ago
Rise 15cm and tread is 30cm,
then 15*30=450cm.
Virender pal said:   7 years ago
The standard size of the tread is 30cm and rise is 14 cm.
30*14 =420.
Ranjit yadav said:   7 years ago
450, 420 also right.

Here it is 14*30=420 because of min Riser 14 cm.
(1)
Pratikkumar said:   7 years ago
In residential building, going is 250 and riser is 160 mean G * R = 250 * 160 = 400.
Pratikkumar said:   7 years ago
In residential building, going is 25cm and riser is 16cm mean R * G = 25 * 16 = 400cm.
(1)
Hayat said:   6 years ago
Approximately 410 to 450.

Ref: Ranwala.
(2)
Manav sumra said:   6 years ago
Normally,

Riser h=17 cm.
Tread (going) l=25 cm.
So. h*l = 17 * 25 = 425.

But standard sizes are,
7 to 9 inch for risers and.
9 to 11 inch for treads.

So B and C both right but the nearest value of 425 is 420 so B is correct answer for this question
Hardik said:   5 years ago
Tread = rise -1.
So,30* 9 = 270 &
15* 10 =150.
Total =270+150 =420.
(1)
Sajid Aziz said:   5 years ago
@Hardik.

I didn't get your point,

Why you are multiplying 30 by 9?
Can you explain please?
Yogeshwaran said:   3 years ago
Minimum going ( tread ) = 28 cm.
Minimum rise = 15 cm.
Product = 28 * 15.
= 420.
(8)
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