Category: Heating and Welding MCQs

Heat Transfer Multiple Choice Questions and Answers PDF

Heat Transfer Multiple Choice Questions and Answers PDF   1. Which of the following property of air does not increase with rising in temperature (a) thermal conductivity (b) thermal diffusivity (c) density (d) dynamic viscosity (e) kinematic viscosity. Ans: c 2. The unit of Stefan Boltzmann constant is (a) watt/cm2 °K (b) watt/cm4 °K (c) […]

Heat and Welding Multiple Choice Question and Answer(PDF)

Heat and Welding Multiple Choice Question and Answer(PDF)   1.In heating the ferromagnetic material by induction heating, heat is produced due to (a) induced current flow through the charge (b) hysteresis loss taking place below curie temperature (c) due to hysteresis loss as well as eddy current loss taking place in the charge (d) none […]

ITI Welding Multiple Choice Question-MCQ with Answer(PDF)

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ITI Manufacturing Management Welding MCQ(Multiple Choice Questions) with Answer(PDF) for Mechanical Engineers (Part-1)    1.Which flame is suitable for welding of ferrous metals, Cu and Al alloys? a. Oxidising flame b. Carburising flame c. Neutral flame d. None of the above (Ans:c) 2.Which flame is suitable for cutting operations? a. Oxidising flame b. Carburising flame […]

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