Theory of Machine In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) P = W tan(α - φ) P = W tan(α + φ) P = W tan(φ - α) P = W cos(α + φ) P = W tan(α - φ) P = W tan(α + φ) P = W tan(φ - α) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which type of gearing is used in steering system of an automobile? Spiral gears Worm and wheel None of the listed here Rack and pinion Spiral gears Worm and wheel None of the listed here Rack and pinion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power of a Porter governor is equal to [3c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [c²/(1 + 2c)] (m + M) g.h [3c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [c²/(1 + 2c)] (m + M) g.h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four stroke I.C. engine, the turning moment during the compression stroke is Positive throughout Positive during major portion of the stroke Negative throughout Negative during major portion of the stroke Positive throughout Positive during major portion of the stroke Negative throughout Negative during major portion of the stroke ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cam size depends upon Prime circle Outer circle Pitch circle Base circle Prime circle Outer circle Pitch circle Base circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A chain comprises of 5 links having 5 joints. Is it kinematic chain? It is a marginal case No Data are insufficient to determine it Yes It is a marginal case No Data are insufficient to determine it Yes ANSWER DOWNLOAD EXAMIANS APP
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