Machine Design In Vickers hardness testing, the pyramid indentor apex is 122° 136° 40° 152° 122° 136° 40° 152° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Plastic flow in ductile materials Lessens the seriousness of static loading stress concentration Increases the seriousness of static loading stress concentration Has no effect on it Depends on other considerations Lessens the seriousness of static loading stress concentration Increases the seriousness of static loading stress concentration Has no effect on it Depends on other considerations ANSWER DOWNLOAD EXAMIANS APP
Machine Design The spring mostly used in gramophones is Helical spring Flat spiral spring Volute spring Conical spring Helical spring Flat spiral spring Volute spring Conical spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (WD/ πd3) × K (4WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K 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) P1 - P2 P1 + P2 ⅟₂ × (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 - P2 P1 + P2 ⅟₂ × (P1 + P2) [⅟₂ × (P1 + P2)] + Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design 18/8 steel contains 18% chromium and 8% nickel 18% nickel and 8% vanadium 18% vanadium and 8% nickel 18% nickel and 8% chromium 18% chromium and 8% nickel 18% nickel and 8% vanadium 18% vanadium and 8% nickel 18% nickel and 8% chromium ANSWER DOWNLOAD EXAMIANS APP