A cylindrical blind riser with diameter d and height h, is placed on the top of the mold cavity of a closed type sand mold as shown in the figure. If the riser is of constant volume, then the rate of solidification in the riser is the least when the ratio h : d is

Keep practicing — related questions

• What type of error will occur while running the following program? void main() { extern int t; t =100; prin...
• Which of the following statements is/are false about leucoplasts? a. They are cylindrical or round in shape...
• Consider the following statements: (a) In isogamy, the fusion of two different types of gametes takes place...
• Which of these organisms has a closed type of circulatory system?
• Directions: Make sentence from the words given in each item in a jumbled order. a coffee (A)/ to light up (...
• Which type of movement is not shown by a cockroach?
• Which of the following types of movement is shown by tendrils in response to touch?
• Find the correct statements. (a) Dhritarashtra was blind. (b) Dharmasutras were Prakrit texts. (c) Fa Xian ...