Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W tan(φ - α) P = W tan(α - φ) P = W tan(α + φ) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W tan(α + φ) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine ________ is an inversion of Double slider crank chain. Scotch yoke mechanism Reciprocating engine Hand pump Coupling rod of a locomotive Scotch yoke mechanism Reciprocating engine Hand pump Coupling rod of a locomotive ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced primary forces in a reciprocating engine are Balanced partially Balanced by secondary forces Balanced completely Not balanced Balanced partially Balanced by secondary forces Balanced completely Not balanced ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Typewriter constitutes Mechanism Inversion Structure Machine Mechanism Inversion Structure Machine 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
Theory of Machine The example of spherical pair is Bolt and nut Ball and socket joint Ball bearing and roller bearing Lead screw of a lathe Bolt and nut Ball and socket joint Ball bearing and roller bearing Lead screw of a lathe ANSWER DOWNLOAD EXAMIANS APP