Theory of Machine When a ship travels in a sea, which of the effect is more dangerous Steering All of these Pitching Rolling Steering All of these Pitching Rolling 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 = 90° + φ α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ α = 45° + φ/2 α = 45° - φ/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω² (R - r₁) sinθ ω² (R - r₁) cosθ ω² r₁ sinθ ω² R cosθ ω² (R - r₁) sinθ ω² (R - r₁) cosθ ω² r₁ sinθ ω² R cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Governor is used in automobile to Decrease the variation of speed Maximize the fuel economy Maintain constant engine speed Limit the vehicle speed Decrease the variation of speed Maximize the fuel economy Maintain constant engine speed Limit the vehicle speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Flexible coupling is used because It is easy to disassemble It prevents shock transmission and eliminates stress reversals It transmits shocks gradually It is easy to engage and disengage It is easy to disassemble It prevents shock transmission and eliminates stress reversals It transmits shocks gradually It is easy to engage and disengage ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two elements of a pair are said to form a _________ when they permit relative motion between them. Kinematic pair Sliding pair None of these Open pair Kinematic pair Sliding pair None of these Open pair ANSWER DOWNLOAD EXAMIANS APP