Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° + φ/2 45° - φ 45° - φ/2 90° - φ 45° + φ/2 45° - φ 45° - φ/2 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The gears are termed as medium velocity gears, if their peripheral velocity is 3-15 m/s 15-30 m/s 1-3 m/s 30-50 m/s 3-15 m/s 15-30 m/s 1-3 m/s 30-50 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design The dedendum is the radial distance from the Pitch circle to the top of a tooth Top of a tooth to the bottom of a tooth Addendum circle to the clearance circle Pitch circle to the bottom of a tooth Pitch circle to the top of a tooth Top of a tooth to the bottom of a tooth Addendum circle to the clearance circle Pitch circle to the bottom of a tooth ANSWER DOWNLOAD EXAMIANS APP
Machine Design Creep in belt is due to Material of the pulley Uneven extensions and contractions due to varying tension All of these Material of the belt Material of the pulley Uneven extensions and contractions due to varying tension All of these Material of the belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The form factor of a helical gear __________ with the increase in the helix angle. Remains constant None of these Increases Decreases Remains constant None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Machine Design Basic shaft is one Whose lower deviation is zero Whose lower as well as upper deviations are zero Does not exist Whose upper deviation is zero Whose lower deviation is zero Whose lower as well as upper deviations are zero Does not exist Whose upper deviation is zero ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS