Theory of Machine Flexible coupling is used because It prevents shock transmission and eliminates stress reversals It is easy to disassemble It is easy to engage and disengage It transmits shocks gradually It prevents shock transmission and eliminates stress reversals It is easy to disassemble It is easy to engage and disengage It transmits shocks gradually ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's method of construction for reciprocating engine mechanism Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine Is based on acceleration diagram Enables determination of Cariole’s component Is a simplified form of instantaneous center method Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine Is based on acceleration diagram Enables determination of Cariole’s component Is a simplified form of instantaneous center method ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is Less than sum of other two Equal to sum of other two There is no such relationship Greater than sum of other two Less than sum of other two Equal to sum of other two There is no such relationship Greater than sum of other two ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain, is known as Machine Inversion Compound mechanism Structure Machine Inversion Compound mechanism Structure 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 = 45° + φ/2 α = 90° + φ α = 45° - φ/2 α = 90° - φ α = 45° + φ/2 α = 90° + φ α = 45° - φ/2 α = 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle θ, the angular velocity of the connecting rod is given by ω cosθ/(n² - cos²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ω sinθ/(n² - cos²θ)1/2 ω sinθ/(n² - sin²θ)1/2 ω cosθ/(n² - cos²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ω sinθ/(n² - cos²θ)1/2 ω sinθ/(n² - sin²θ)1/2 ANSWER DOWNLOAD EXAMIANS APP
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