Theory of Machine V-belts are usually used for Long drives Long and short drives Short drives None of these Long drives Long and short drives Short drives None of these 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 danger of breakage and vibration is maximum Below the critical speed Above the critical speed Near the critical speed None of these Below the critical speed Above the critical speed Near the critical speed None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which type of gear train is used in clock mechanism to join hour hand and minute hand? Compound gear train Epicyclic gear train Reverted gear train Simple gear train Compound gear train Epicyclic gear train Reverted gear train Simple gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam lap and the angle of advance of the eccentric but keeping constant the travel and lead of the valve, this method will All of the listed here Cause withdrawing or throttling of steam Reduce length of effective stroke of piston Reduce maximum opening of port to steam All of the listed here Cause withdrawing or throttling of steam Reduce length of effective stroke of piston Reduce maximum opening of port to steam ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 180° and 360° Both (A) and (B) None of these 0° and 90° 180° and 360° Both (A) and (B) None of these 0° and 90° ANSWER DOWNLOAD EXAMIANS APP