Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is P F.P F F + P P F.P F F + P ANSWER DOWNLOAD EXAMIANS APP
Machine Design The dynamic tooth load is due to Deflections of teeth under load Inaccuracies of tooth spacing All of these Irregularities in tooth profiles Deflections of teeth under load Inaccuracies of tooth spacing All of these Irregularities in tooth profiles ANSWER DOWNLOAD EXAMIANS APP
Machine Design Fibrous fracture occurs in Ductile material Brittle material Hard material Elastic material Ductile material Brittle material Hard material Elastic material ANSWER DOWNLOAD EXAMIANS APP
Machine Design The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as (Kt - 1)/ (Kf - 1) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) (Kf + 1)/ (Kt + 1) (Kt - 1)/ (Kf - 1) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) (Kf + 1)/ (Kt + 1) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Plastic flow in ductile materials Increases the seriousness of static loading stress concentration Lessens the seriousness of static loading stress concentration Has no effect on it Depends on other considerations Increases the seriousness of static loading stress concentration Lessens the seriousness of static loading stress concentration Has no effect on it Depends on other considerations ANSWER DOWNLOAD EXAMIANS APP
Machine Design The load cup of a screw jack is made separate from the head of the spindle to Reduce the value of frictional torque Prevent the rotation of load being lifted Enhance the load carrying capacity of the jack Reduce the effort needed for lifting the working load Reduce the value of frictional torque Prevent the rotation of load being lifted Enhance the load carrying capacity of the jack Reduce the effort needed for lifting the working load ANSWER DOWNLOAD EXAMIANS APP
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