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 sinθ/(n² - sin²θ)1/2 ω cosθ/(n² - cos²θ)1/2 ω sinθ/(n² - cos²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ω sinθ/(n² - sin²θ)1/2 ω cosθ/(n² - cos²θ)1/2 ω sinθ/(n² - cos²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A higher pair has__________. Point contact None of these Surface contact No contact Point contact None of these Surface contact No contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called Fixed instantaneous centers None of these Permanent instantaneous centers Neither fixed nor permanent instantaneous centers Fixed instantaneous centers None of these Permanent instantaneous centers Neither fixed nor permanent instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of maximum fluctuation of energy to the work-done per cycle is called Coefficient of fluctuation of energy Fluctuation of energy None of these Maximum fluctuation of energy Coefficient of fluctuation of energy Fluctuation of energy None of these Maximum fluctuation of energy ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Crowning on pulleys helps In increasing velocity ratio For automatic adjustment of belt position so that belt runs centrally In decreasing the slip of the belt Increase belt and pulley life In increasing velocity ratio For automatic adjustment of belt position so that belt runs centrally In decreasing the slip of the belt Increase belt and pulley life ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Ackermann steering mechanism is preferred to the Davis type in automobiles because The former is most rigid The former is most economical The former is having turning pair The former is mathematically accurate The former is most rigid The former is most economical The former is having turning pair The former is mathematically accurate ANSWER DOWNLOAD EXAMIANS APP