Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 7 N-m 15 N-m 5 N-m 10 N-m 7 N-m 15 N-m 5 N-m 10 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting centrifugal tension) will be equal to (Where, Pc is centrifugal tension) ⅟₂ × (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 - P2 P1 + P2 ⅟₂ × (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 - P2 P1 + P2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In second type of levers, Fulcrum is in between the load and effort Load is in between the fulcrum and effort None of these Effort is in between the fulcrum and load Fulcrum is in between the load and effort Load is in between the fulcrum and effort None of these Effort is in between the fulcrum and load ANSWER DOWNLOAD EXAMIANS APP
Machine Design Coaxing is the procedure of increasing Metal strength by cycling Metal hardness by surface treatment Fatigue limit by over-stressing the metal by successively increasing loadings Metal resistance to corrosion by coating Metal strength by cycling Metal hardness by surface treatment Fatigue limit by over-stressing the metal by successively increasing loadings Metal resistance to corrosion by coating ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft coupling should All of these Transmit full power of the shaft Be easy to connect or disconnect Hold the shafts in perfect alignment All of these Transmit full power of the shaft Be easy to connect or disconnect Hold the shafts in perfect alignment ANSWER DOWNLOAD EXAMIANS APP
Machine Design Idler pulley is used for For applying tension Changing the direction of motion of belt All of these Increasing velocity ratio For applying tension Changing the direction of motion of belt All of these Increasing velocity ratio ANSWER DOWNLOAD EXAMIANS APP
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