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GATE ME Quiz — Set 1
📚 Subject: Mechanical📝 Test Type: Practice❓ 10 Questions⏱ 12 Minutes
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📚 Quiz Instructions
10 Questions
12 Minutes Time Limit
+4 Correct / -1 Wrong Marking
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Results with explanations at the end
12:00
Question 1 / 10
1. Which surface will have the least emissivity?
2. The ratio of the thickness of the thermal boundary layer to the thickness of the hydrodynamic boundary layer is equal to (Prandtl number)n, where n is ______.
3. For ductile materials, the most appropriate failure theory is ______.
4. A sprue hole is ______.
5. The process of heat transfer from a hot body to a cold body in a straight line, without affecting the intervening medium, is known as ______.
6. The assumptions made in Fourier’s law are that the heat flow: A. Is in steady-state B. Through a solid medium in one dimension
7. Which of the following processes would produce the best components?
8. Whirling speed of a shaft coincides with the natural frequency of the ______.
9. Heat is transferred from an electric bulb by ______.
10. Two insulating materials of thermal conductivity K and 2K are available for lagging a pipe carrying a hot fluid. If the radial thickness of each material is the same, ______.