Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 67.5° 45° 90° 22.5° 67.5° 45° 90° 22.5° ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the assembly of pulley, key and shaft Pulley is made the weakest Key is made the weakest Key is made the strongest All the three are designed for equal strength Pulley is made the weakest Key is made the weakest Key is made the strongest All the three are designed for equal strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ends of the leaves of a semi-elliptical leaf spring are made triangular in order to Obtain variable moment of inertia (I) in each leaf Permit each leaf to act as an overhanging beam Have variable bending moment (M) in each leaf Make M/I constant throughout the length of the leaf Obtain variable moment of inertia (I) in each leaf Permit each leaf to act as an overhanging beam Have variable bending moment (M) in each leaf Make M/I constant throughout the length of the leaf 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)) √(Pmax / 2m) √(Pmax / m) √(3m /Pmax) √(Pmax / 3m) √(Pmax / 2m) √(Pmax / m) √(3m /Pmax) √(Pmax / 3m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a steam engine, the piston rod is usually connected to the cross-head by means of a Cotter joint Oldham coupling Knuckle joint Universal joint Cotter joint Oldham coupling Knuckle joint Universal joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design For crank shaft bearings, the ratio of the length of the journal to its diameter is_________. Less than unity Equal to 1 Greater than unity None of these Less than unity Equal to 1 Greater than unity None of these ANSWER DOWNLOAD EXAMIANS APP