Theory of Machine Efficiency of a screw jack is given by tanα/tan (α +φ) tanα/tan (α - φ) tan (α + φ)/tanα tan (α - φ)/tanα tanα/tan (α +φ) tanα/tan (α - φ) tan (α + φ)/tanα tan (α - φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct as regard to the difference between a machine and a structure? The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only All of these The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Elements of pairs held together mechanically is known as Closed pair Rolling pair Open pair Mechanical pair Closed pair Rolling pair Open pair Mechanical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n/2 n(n - 1)/2 n - 1 n n/2 n(n - 1)/2 n - 1 n ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a hydrodynamic journal bearing, there is A forced lubricant between the journal and the bearing No lubricant between the journal and the bearing A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing A thick film of lubricant between the journal and the bearing A forced lubricant between the journal and the bearing No lubricant between the journal and the bearing A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing A thick film of lubricant between the journal and the bearing 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 sinθ/(n² - cos²θ)1/2 ω cosθ/(n² - cos²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ω sinθ/(n² - sin²θ)1/2 ω sinθ/(n² - cos²θ)1/2 ω cosθ/(n² - cos²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ω sinθ/(n² - sin²θ)1/2 ANSWER DOWNLOAD EXAMIANS APP
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