Machine Design In a full journal bearing, the angle of contact of the bearing with the journal is 120° 270° 180° 360° 120° 270° 180° 360° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Multiple threads are used to secure High load lifting capacity High mechanical advantage High efficiency Low efficiency High load lifting capacity High mechanical advantage High efficiency Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a machine member is subjected to torsion, the torsional shear stress set up in the member is Maximum at the centroidal axis and zero at the outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member Zero at both the centroidal axis and outer surface of the member Maximum at both the centroidal axis and outer surface of the member Maximum at the centroidal axis and zero at the outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member Zero at both the centroidal axis and outer surface of the member Maximum at both the centroidal axis and outer surface of the member ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 90° - φ 45° - φ/2 45° - φ 45° + φ/2 90° - φ 45° - φ/2 45° - φ 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive) is called Yield stress Alternating stress Fluctuating stress Repeated stress Yield stress Alternating stress Fluctuating stress Repeated stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design A fast and loose pulley drive is used when Shafts are arranged parallel and rotate in the same directions Shafts are arranged at right angles and rotate in one definite direction Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged parallel and rotate in the opposite directions Shafts are arranged parallel and rotate in the same directions Shafts are arranged at right angles and rotate in one definite direction Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged parallel and rotate in the opposite directions ANSWER DOWNLOAD EXAMIANS APP
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