Machine Design When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is Bending stress only A combination of bending stress and direct shear stress A combination of torsional shear stress and bending Direct shear stress only Bending stress only A combination of bending stress and direct shear stress A combination of torsional shear stress and bending Direct shear stress only ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is more than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is more than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design Ball bearing type screws are found in following application Aeroplane engines Screw jack Steering mechanism Crane Aeroplane engines Screw jack Steering mechanism Crane ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is wrong for a connecting rod? If Ixx < 4 Iyy, the buckling will occur about X-axis The connecting rod will be equally strong in buckling about X-axis and Y-axis, if Ixx = 4 Iyy If Ixx > 4 Iyy, the buckling will occur about Y-axis The most suitable section for the connecting rod is T-section If Ixx < 4 Iyy, the buckling will occur about X-axis The connecting rod will be equally strong in buckling about X-axis and Y-axis, if Ixx = 4 Iyy If Ixx > 4 Iyy, the buckling will occur about Y-axis The most suitable section for the connecting rod is T-section ANSWER DOWNLOAD EXAMIANS APP
Machine Design Slenderness ratio is the ratio of Maximum size of column to minimum size of column Effective length of column to least radius of gyration of the column Effective length of column to width of column Width of column to depth of column Maximum size of column to minimum size of column Effective length of column to least radius of gyration of the column Effective length of column to width of column Width of column to depth of column ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pitch point of a cam is Any point on the pitch curve Any point on the pitch circle A point on the pitch curve having maximum pressure angle A point on the pitch curve having minimum pressure angle Any point on the pitch curve Any point on the pitch circle A point on the pitch curve having maximum pressure angle A point on the pitch curve having minimum pressure angle ANSWER DOWNLOAD EXAMIANS APP
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