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% The efficiency of Acme (trapezoidal) thread is less than that of a square thread 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 a self locking screw can not be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread 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) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration is caused due to Variation in properties of material from point to point in a member All of these Abrupt change of section Pitting at points or areas at which loads on a member are applied Variation in properties of material from point to point in a member All of these Abrupt change of section Pitting at points or areas at which loads on a member are applied ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called Axial pitch Module Normal pitch Diametral pitch Axial pitch Module Normal pitch Diametral pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct for gears? The addendum is less than dedendum The pitch circle diameter is equal to the product of module and number of teeth The pitch circle is always greater than the base circle All of these The addendum is less than dedendum The pitch circle diameter is equal to the product of module and number of teeth The pitch circle is always greater than the base circle All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts will have equal strength, if Angle of twist of both the shafts is same Twisting moment of both the shafts is same Diameter of both the shafts is same Material of both the shafts is same Angle of twist of both the shafts is same Twisting moment of both the shafts is same Diameter of both the shafts is same Material of both the shafts is same ANSWER DOWNLOAD EXAMIANS APP
Machine Design A saddle key __________ power through frictional resistance only. Either A or B Transmits Does not transmit None of these Either A or B Transmits Does not transmit None of these ANSWER DOWNLOAD EXAMIANS APP
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