Machine Design A screw is said to be over hauling screw, if the Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of third type levers is found in Lever of a loaded safety valve Hand wheel of a punching press Handle of a hand pump A pair of tongs Lever of a loaded safety valve Hand wheel of a punching press Handle of a hand pump A pair of tongs ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hollow saddle key is Provided in pairs at right angles and each key is to withstand torsion in one direction only A taper key which fits in a key way of the hub and is flat on the shaft A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft A taper key which fits half in the key way of hub and half in the key way of shaft Provided in pairs at right angles and each key is to withstand torsion in one direction only A taper key which fits in a key way of the hub and is flat on the shaft A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft A taper key which fits half in the key way of hub and half in the key way of shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending stress in a curved beam is 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 Zero at the point other than centroidal axis Zero at the centroidal axis None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is 2000 N-m 2100 N-m 2136 N-m 2050 N-m 2000 N-m 2100 N-m 2136 N-m 2050 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design Applications in which stresses are encountered in one direction only uses following type of threads Metric Acme Buttress Square Metric Acme Buttress Square ANSWER DOWNLOAD EXAMIANS APP
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