Q. Invar contains the highest percentage of

  • (A) Cobalt
  • (B) Vanadium
  • (C) Tungsten
  • (D) Iron
💬 Discuss
✅ Correct Answer: (D) Iron

Published by Ram Sharma ⭐ 193.88K Points at 17-May-2023 10:32 pm in Materials And Construction

You must be Logged in to update hint/solution

💬 Discussion

Related MCQs

Q. The inner wall of a furnace is at a temperature of 700°C. The composite wall is made of two substances, 10 and 20 cm thick with thermal conductivitie

Q. Nickel as a material of construction

Q. Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because

Q. A boiling water reactor is the one, in which the

Q. Cast iron is

Q. Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by

Q. Compound coke ovens are those which can be heated by

Q. At what value of Prandtl number, the hydrodynamic and thermal boundary layers of a fluid flowing over a heated plate will be identical?

Q. Gobar gas is produced by the __________ of 'gobar' (cow dung).

Q. For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle.

📊 Question Analytics

👁️
108
Total Visits
📽️
3 y ago
Published
🎖️
Ram Sharma
Publisher
📈
90%
Success Rate