Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 1.25 d 0.5 d d 0.75 d 1.25 d 0.5 d d 0.75 d 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 In standard taper roller bearings, the angle of taper of outer raceway is 5° 25° 15° 8° 5° 25° 15° 8° ANSWER DOWNLOAD EXAMIANS APP
Machine Design If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation 168 d 138 d 151 d 124 d 168 d 138 d 151 d 124 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design For circumferential joint in boilers, the type of joint used is Butt joint with double cover plate Any one of the above Lap joint with one ring overlapping the other Butt joint with single cover plate Butt joint with double cover plate Any one of the above Lap joint with one ring overlapping the other Butt joint with single cover plate ANSWER DOWNLOAD EXAMIANS APP
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