Machine Design When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be 1.8 d 1.2 d 1.57 d 0.8 d 1.8 d 1.2 d 1.57 d 0.8 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The permissible stress for carbon steel under static loading is generally taken as 4000-4500 kg/cm² 3000-4000 kg/cm² 2000-3000 kg/m² 7500-10,000 kg/cm² 4000-4500 kg/cm² 3000-4000 kg/cm² 2000-3000 kg/m² 7500-10,000 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 1300 to 1500°C 1100 to 1300°C 500 to 600°C 700 to 900°C 1300 to 1500°C 1100 to 1300°C 500 to 600°C 700 to 900°C ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be 2 τ τ 4 τ τ/2 2 τ τ 4 τ τ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Multiple threads are used to secure Low efficiency High mechanical advantage High load lifting capacity High efficiency Low efficiency High mechanical advantage High load lifting capacity High efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a full journal bearing, the angle of contact of the bearing with the journal is 270° 120° 360° 180° 270° 120° 360° 180° ANSWER DOWNLOAD EXAMIANS APP
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