Theory of Machine In a four stroke I.C. engine, the turning moment during the compression stroke is Negative during major portion of the stroke Positive during major portion of the stroke Negative throughout Positive throughout Negative during major portion of the stroke Positive during major portion of the stroke Negative throughout Positive throughout ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For simple harmonic motion of the of follower, a cosine curve represents Acceleration diagram Velocity diagram Displacement diagram All of these Acceleration diagram Velocity diagram Displacement diagram All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A reed type tachometer use the principle of Transverse vibration Torsional vibration Longitudinal vibration Damped free vibration Transverse vibration Torsional vibration Longitudinal vibration Damped free vibration 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 = 90° + φ α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism in which two are turning pairs and two are sliding pairs, is called a All of these Double slider crank chain Scotch yoke mechanism Elliptical trammel All of these Double slider crank chain Scotch yoke mechanism Elliptical trammel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Leads by 90° Lags by 90° Are in phase Leads by 180° Leads by 90° Lags by 90° Are in phase Leads by 180° ANSWER DOWNLOAD EXAMIANS APP
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