Theory of Machine A mechanism _________ for transmitting or transforming motion. None of these Can not be used Can be used Unpredictable None of these Can not be used Can be used Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum _________ in one revolution of the crank. Sixteen times Eight times Four times Twice Sixteen times Eight times Four times Twice ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Peaucellier’s mechanism Grasshopper mechanism Watt’s mechanism Robert’s mechanism Peaucellier’s mechanism Grasshopper mechanism Watt’s mechanism Robert’s mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum or minimum value of the swaying couple is ± c.m.ω².r ± (a/√2) (1 - c) m.ω².r ± a (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ± c.m.ω².r ± (a/√2) (1 - c) m.ω².r ± a (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an example of a higher pair? Ball and roller bearing All of the listed here Belt and rope drive Toothed gearing Ball and roller bearing All of the listed here Belt and rope drive Toothed gearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 90° - φ α = 90° + φ α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ α = 45° + φ/2 α = 45° - φ/2 ANSWER DOWNLOAD EXAMIANS APP
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