📊 Heat Transfer
Q. The thermal radiative flux from a surface of emissivity = 0.4 is 22.68 kW/m2. The approximate surface temperature (K) is
(Stefan-Boltzman constant = 5.67 × 10-8 W/m2.K4)
  • (A) 727
  • (B) 800
  • (C) 1000
  • (D) 1200
💬 Discuss
✅ Correct Answer: (C) 1000

You must be Logged in to update hint/solution

💬 Discussion

Related MCQs

Q. ________ mills are termed as impactors.

Q. Nuclides having the same atomic numbers are termed as

Q. ________ is not a heat treatment process.

Q. In a shell and tube heat exchanger, the height of 25 percent cut baffles is equal to (where, D = inside diameter of shell)

Q. The amount of simple interest during 'n' interest period is (where, i = interest rate based on the length of one interest period, p = principal)

Q. Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, val

Q. With increase in temperature, the solubility of gases in liquids, at fixed pressure

Q. For identical operating conditions, the pressure drop over _____________ tray is the highest out of the following.

Q. The ratio of gross annual sales to the fixed capital investment is termed as the __________ ratio.

Q. Main constituent of natural gas is

📊 Question Analytics

👁️
749
Total Visits
📽️
3 y ago
Published
🎖️
Ram Sharma
Publisher
📈
80%
Success Rate