Theory of Machine Which type of gear train is used in clock mechanism to join hour hand and minute hand? Simple gear train Epicyclic gear train Reverted gear train Compound gear train Simple gear train Epicyclic gear train Reverted gear train Compound gear train 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 = 45° + φ/2 α = 45° - φ/2 α = 90° + φ α = 90° - φ α = 45° + φ/2 α = 45° - φ/2 α = 90° + φ α = 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience No acceleration Only angular acceleration Both linear and angular acceleration Only linear acceleration No acceleration Only angular acceleration Both linear and angular acceleration Only linear acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration. Different Unpredictable Same None of these Different Unpredictable Same None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For a kinematic chain to be considered as mechanism Two links should be fixed None of the links should be fixed One link should be fixed There is no such criterion Two links should be fixed None of the links should be fixed One link should be fixed There is no such criterion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an ideal machine, the output as compared to input is May be less or more depending on efficiency Less More Equal May be less or more depending on efficiency Less More Equal ANSWER DOWNLOAD EXAMIANS APP
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