Mechanical Engineering Written Exam Questions (BIWTA)
Company- Bangladesh Inland Water Transport Authority (BIWTA)
Post- Assistant Engineer-Mechanical
➦ What is “ton of refrigeration (TR)”
➦ Define boiler mountings with examples.
➦ Define boiler accessories with examples.
➦ Write down the four laws of thermodynamics.
➦ Draw the typical stress-strain diagram of mild steel showing proportional limit, yield strength, ultimate strength and breaking strength on it.
➦ Define modulus of elasticity and modulus of rigidity. For a material which one is greater?
➦ A solid steel shaft in a rolling mill transmits 20 kW at 2 Hz. Determine the diameter of the shaft if the shearing stress in not to exceed 40MPa.
➦
A uniformly distributed load of magnitude w is applied over the whole span of a simply supported beam of length L. Draw the shear force and bending moment diagrams of the beam.
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