The shape factor for a casting in the form of an annular cylinder of outside diameter 30 cm, inside diameter 20 cm and height 30 cm (correction factor k = 1.0) will be

9.42

No worries! We‘ve got your back. Try BYJU‘S free classes today!

6.28

No worries! We‘ve got your back. Try BYJU‘S free classes today!

12.28

No worries! We‘ve got your back. Try BYJU‘S free classes today!

21.77

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D 21.77
$Shape factor = \frac{Length+width}{Thickness}$

$In case of annular cylinder, L = 30 cm$
$w = π D_{m e a n} ≃ π (\frac{30 + 20}{2}) = 78.53 c m$

$t = \frac{30 - 20}{2} = 5 c m$

$S F = \frac{30 + 78.53}{5} = 21.70$

Suggest Corrections

Similar questions

The dimensions of a cylindrical side riser (height = diameter) for a 25 cm × 15 cm × 5 cm steel casting are to be determined. For the tabulated shape factor values givenbelow, diameter of the riser (in cm) is

Shape Factor	2	4	6	8	10	12
Riser volume /Casting volume	1.0	1.70	0.55	0.50	0.40	0.35

Q. A side riser is to be designed for a hollow cylindrical casting of 50 mm inside diameter and 100 mm outside diameter. If the length of cylinder is 50 mm, the diameter of riser in mm is _____ .

Join BYJU'S Learning Program

The shape factor for a casting in the form of an annular cylinder of outside diameter 30 cm, inside diameter 20 cm and height 30 cm (correction factor k = 1.0) will be

The correct option is D 21.77Shape factor = Length+widthThickness In case of annular cylinder, L = 30 cm w=πDmean≃π(30+202)=78.53cm t=30−202=5cm SF=30+78.535=21.70

The correct option is D 21.77
$Shape factor = \frac{Length+width}{Thickness}$

$In case of annular cylinder, L = 30 cm$
$w = π D_{m e a n} ≃ π (\frac{30 + 20}{2}) = 78.53 c m$

$t = \frac{30 - 20}{2} = 5 c m$

$S F = \frac{30 + 78.53}{5} = 21.70$