Bolt of Uniform Strength Locking Device MCQs

By: Prof. Dr. Fazal Rehman | Last updated: March 3, 2022

Bolt of Uniform Strength Locking Device MCQs. If flattened or rounded to a circular arc, then Crests and roots of the threads may lead to Leakage in fluid-tight threads. (A). False (B). True The Answer is: (A). False The static load take capacity of fine threads is more than that of coarse threads. (A). False (B). True The Answer is: (A). False Coarse threads have helix angle _____ fine threads. (A). Equal to (B). Lesser than (C). Greater than (D). There is no relation The Answer is: (B). Lesser than Select the threads that have greater resistance to unscrewing? (A). Coarse (B). They have equal resistance (C). Fine (D). Cannot be determined The Answer is: (C). Fine Select the threads that are recommended for fluctuating loads? (A). Either of fine or coarse (B). Coarse Threads (C). Fine threads (D). None of the listed The Answer is: (C). Fine threads Resilience is specified as the property of a material to soak up energy when deformed _________ and to release this energy when unloaded. (A). Plastically (B). Elastically (C). Up to fracture point (D). None of the listed The Answer is: (B). Elastically The shock soaks up the capacity of the bolt can be increased by producing the shank diameter ________ the root diameter. (A). Lesser than (B). Greater than (C). Equal to (D). No effect The Answer is: (C). Equal to How the shock-absorbing capacity of bolts can be increased? (A). Increasing the shank diameter (B). Decreasing the length of the shank portion of the bolt (C). Increase the shank diameter and decreasing the length of the shank (D). None of the above The Answer is: (D). None of the above When the length of the shank is doubled, then strain energy soak up through shank (A). Increases 4 time (B). Remains the same (C). Doubles (D). Become half The Answer is: (C). Doubles Select that provides help in accomplishing the locking. (A). Creating supplementary friction (B). Using special locking devices like split pins (C). By plastic deformation (D). All of the above The Answer is: (D). All of the above  

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