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 5 N-m 7 N-m 10 N-m 15 N-m 5 N-m 7 N-m 10 N-m 15 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design Plastic flow in ductile materials Has no effect on it Increases the seriousness of static loading stress concentration Depends on other considerations Lessens the seriousness of static loading stress concentration Has no effect on it Increases the seriousness of static loading stress concentration Depends on other considerations Lessens the seriousness of static loading stress concentration ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resistance to fatigue of a material is measured by Young's modulus Ultimate tensile strength Endurance limit Elastic limit Young's modulus Ultimate tensile strength Endurance limit Elastic limit ANSWER DOWNLOAD EXAMIANS APP
Machine Design The face angle of a bevel gear is equal to Pitch angle + addendum angle Pitch angle - addendum angle Pitch angle + dedendum angle Pitch angle - dedendum angle Pitch angle + addendum angle Pitch angle - addendum angle Pitch angle + dedendum angle Pitch angle - dedendum angle 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 2100 N-m 2136 N-m 2000 N-m 2050 N-m 2100 N-m 2136 N-m 2000 N-m 2050 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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