Machine Design The helix angle for double helical gears may be made up to 45° 60° 90° 75° 45° 60° 90° 75° ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Increase shank diameter Increase its length Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly Increase shank diameter Increase its length Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up so that tightening stress Is about yield point divided by safety factor Approaches yield point Is 50% of yield point Is just sufficient to hold parts together Is about yield point divided by safety factor Approaches yield point Is 50% of yield point Is just sufficient to hold parts together ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following formula is used in designing a connecting rod? Euler's formula Rankine's formula Johnson's straight line formula Johnson's parabolic formula Euler's formula Rankine's formula Johnson's straight line formula Johnson's parabolic formula ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing Move towards left of the bearing making metal to metal contact Move towards right of the bearing making the metal to metal contact Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing Move towards left of the bearing making metal to metal contact Move towards right of the bearing making the metal to metal contact ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, the belt speed should be(Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(3m /Pmax) √(Pmax / 2m) √(Pmax / 3m) √(Pmax / m) √(3m /Pmax) √(Pmax / 2m) √(Pmax / 3m) √(Pmax / m) ANSWER DOWNLOAD EXAMIANS APP