Machine Design According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm) d = 6√t d = √t d = 2√t d = 1.6√t d = 6√t d = √t d = 2√t d = 1.6√t ANSWER DOWNLOAD EXAMIANS APP
Machine Design The backlash for spur gears depends upon Both module and pitch line velocity Pitch line velocity Module Tooth profile Both module and pitch line velocity Pitch line velocity Module Tooth profile ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending stress in a curved beam is Zero at the point other than centroidal axis Zero at the centroidal axis None of these Maximum at the neutral axis Zero at the point other than centroidal axis Zero at the centroidal axis None of these Maximum at the neutral axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according to Barth) will be equal to (Where, Pc is centrifugal tension) [⅟₂ × (P1 + P2)] + Pc ⅟₂× (P1 + P2) [(√P1 + √P2)/2]² P1 + P2 [⅟₂ × (P1 + P2)] + Pc ⅟₂× (P1 + P2) [(√P1 + √P2)/2]² P1 + P2 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
Machine Design A bolt is designed on the basis of __________ with a large factor of safety. Direct compressive stress Direct bending stress Direct shear stress Direct tensile stress Direct compressive stress Direct bending stress Direct shear stress Direct tensile stress ANSWER DOWNLOAD EXAMIANS APP