Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 45° 90° 22.5° 67.5° 45° 90° 22.5° 67.5° ANSWER DOWNLOAD EXAMIANS APP
Machine Design In levers, leverage is the ratio of Load arm to the effort arm Load lifted to the effort applied Effort arm to the load arm Mechanical advantage to the velocity ratio Load arm to the effort arm Load lifted to the effort applied Effort arm to the load arm Mechanical advantage to the velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring index is Ratio of coil diameter to wire diameter Load required to produce unit deflection Its capability of storing energy Indication of quality of spring Ratio of coil diameter to wire diameter Load required to produce unit deflection Its capability of storing energy Indication of quality of spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design Belt slip may occur due to Heavy load Loose belt Driving pulley too small All of these Heavy load Loose belt Driving pulley too small All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Idler pulley is used for Increasing velocity ratio Changing the direction of motion of belt For applying tension All of these Increasing velocity ratio Changing the direction of motion of belt For applying tension All of these ANSWER DOWNLOAD EXAMIANS APP