Design Questions Set 6:
In the principal plane, the shear stress is
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Calculate the bore diameter of a rolling contact bearing which is specified as '309'.
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In a ball bearing, if the load is doubled, then the life is
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Find the thickness of the water jacket for a 4-stroke single-cylinder water-cooled vertical diesel engine if the bore diameter is 150 mm.
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A shaft rotates at 1000 RPM. What is the approximate power loss if a cylindrical roller bearing is subjected to a frictional torque of 500 N-mm?
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Among gas and electric arc welding, which has the higher rate of heating?
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What is the primary function of a bearing?
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Match the List-I (Type of Keys) with List-II (Characteristics) and select the correct answer using the code given below the lists:
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Which of the following statements about notch sensitivity (q) is true?
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You are designing a component for a specific application. The analysis is linear static structural analysis in the elastic region with the given parameters. The material has a yield strength of 230 MPa and an ultimate tensile strength of 350 MPa. The factor of safety is decided to be 2. What is the correct value of the maximum allowable normal stress for the analysis?
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