Machine Design Ball bearing type screws are found in following application Aeroplane engines Screw jack Crane Steering mechanism Aeroplane engines Screw jack Crane Steering mechanism ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to (1/2) × [M + √(M² + T²)] M + √(M² + T²) (1/2) × √(M² + T²) √(M² + T²) (1/2) × [M + √(M² + T²)] M + √(M² + T²) (1/2) × √(M² + T²) √(M² + T²) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be 12 kN/m 6 kN/m 30 kN/m 24 kN/m 12 kN/m 6 kN/m 30 kN/m 24 kN/m ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to W/9 W/2 8W/9 2W/3 W/9 W/2 8W/9 2W/3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A coupling used to connect two perfectly aligned shafts, is Muff coupling All of these Compression coupling Flange coupling Muff coupling All of these Compression coupling Flange coupling ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of loads Combined loads Tension Compression Shear Combined loads Tension Compression Shear ANSWER DOWNLOAD EXAMIANS APP
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