Question:
A cube of the dimension (20*20*20) is mold to sphere having diameter 20mm and the pouring temperature both are same. What is the ratio of the solidification time of the cubical casting: spherical casting
A cube of the dimension (20*20*20) is mold to sphere having diameter 20mm and the pouring temperature both are same. What is the ratio of the solidification time of the cubical casting: spherical casting
Updated On: Feb 7, 2024
Hide Solution
Verified By Collegedunia
Correct Answer: 10
Solution and Explanation
The correct answer is 32/3.=10
Was this answer helpful?
0
0
Top Questions on Solidification and cooling
- Aluminium is casted in a cube-shaped mold having dimensions as 20mm × 20mm × 20mm. Another mold of the same mold material is used to cast a sphere of aluminium having a diameter of 20mm. The pouring temperature for both cases is the same. The ratio of the solidification times of the cube-shaped mold to the spherical mold is ____ (answer in integer).
- GATE ME - 2024
- Materials, Manufacturing & Industrial Engineering
- Solidification and cooling
- The solidification time of a cube and a cylinder of the same material, produced through the same sand casting process, is found to be equal. Each side of the cube is \(a\), and the radius and the length of the cylinder are \(r\) and \(4r\), respectively. If the solidification time is governed by Chvorinov's equation, then the ratio \(\frac ra\) is
- GATE PI - 2024
- Industrial Engineering
- Solidification and cooling
- Production and Industrial Engineering (PI) Match each of the listed defects in deep drawing cup with the corresponding reason in the table.
Defect in deep drawing cup Reason P Orange peel on the surface of cup 1 No blank holding force Q Wrinkling at the flange of cup 2 Very small corner radius of the punch R Tearing at the bottom corner of cup 3 Large grain size in the blank material S Earring at the top edge of the cup 4 Anisotropy of the blank material - GATE PI - 2024
- Industrial Engineering
- Solidification and cooling
- Consider sand casting of a cube of edge length $a$. A cylindrical riser is placed at the top of the casting. Assume solidification time, $t_s \propto V/A$, where $V$ is the volume and $A$ is the total surface area dissipating heat. If the top of the riser is insulated, which of the following radius/radii of riser is/are acceptable?
- GATE ME - 2022
- Materials, Manufacturing & Industrial Engineering
- Solidification and cooling
- A cast product of a particular material has dimensions 75 mm \(\times\) 125 mm \(\times\) 20 mm. The total solidification time for the cast product is found to be 2.0 minutes as calculated using Chvorinov's rule having the index, \(n = 2\). If under the identical casting conditions, the cast product shape is changed to a cylinder having diameter = 50 mm and height = 50 mm, the total solidification time will be \(\underline{\hspace{1cm}}\) minutes (round off to two decimal places).
- GATE ME - 2021
- Materials, Manufacturing & Industrial Engineering
- Solidification and cooling
Questions Asked in GATE Metallurgy exam
- Which one of the following failure theories in the most conservative design approach against fatigue failure
- GATE Metallurgy - 2024
- Failure theories
- A band brake shown in the figure has a coefficient of friction of 0.3. The band can take a maximum force of 1.5 kN. The maximum braking force (F) that can be safety applied is ______ N. (Answer in integers)
- GATE Metallurgy
- Friction and its applications including rolling friction, belt-pulley, brakes, screw jack,etc
- A linear spring mass-dashpot system with a mass of 2 kg is set in motion with viscous damping. If the natural frequency is 15 Hz, and the amplitude of two successive cycles measured are 7.75 mm and 7.20 mm, the coefficient of viscous damping in (N.s/m) is
- GATE Metallurgy
- Viscous flow of incompressible fluids
A horizontal beam of length 1200 mm is pinned at the left end and is resting on the roller at the other end as shown in the figure. A linearly varying distributed load is applied on the beam. The magnitude of maximum bending moment acting on the beam is _____ Nm (Round off to one decimal place)
- GATE Metallurgy
- Shear force and bending moment diagrams
- A solid massless cylindrical member of 50 mm diameter is rigidly attached at one end, and is subjected to an axial force, P = 100 kN and torque T = 600 Nm at the other end as shown. Assume that the axis of the cylinder is normal to the support. considering distortion energy theory with allowable yield stress as 300 MPa. The factor of safety in the design is _____ (Round of one decimal place)
- GATE Metallurgy
- Failure theories
View More Questions