Machine Design In Vickers hardness testing, the pyramid indentor apex is 122° 40° 152° 136° 122° 40° 152° 136° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is an anti-friction bearing? Needle bearing Journal bearing Collar bearing Pedestal bearing Needle bearing Journal bearing Collar bearing Pedestal bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following property is essential for spring materials? Ductility Stiffness Resilience Plasticity Ductility Stiffness Resilience Plasticity ANSWER DOWNLOAD EXAMIANS APP
Machine Design Plastic flow in ductile materials Lessens the seriousness of static loading stress concentration Depends on other considerations Has no effect on it Increases the seriousness of static loading stress concentration Lessens the seriousness of static loading stress concentration Depends on other considerations Has no effect on it Increases the seriousness of static loading stress concentration 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 A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.8 2.5 3.5 3.0 2.8 2.5 3.5 3.0 ANSWER DOWNLOAD EXAMIANS APP
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