Machine Design In block brakes, the ratio of shoe width to wheel diameter is taken between 0.1 and 0.25 0.25 and 0.50 0.50 and 0.75 0.75 and 1 0.1 and 0.25 0.25 and 0.50 0.50 and 0.75 0.75 and 1 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) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) (Kt - 1)/ (Kf - 1) (Kf + 1)/ (Kt + 1) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The creep in the belt is due to Unequal extensions in the belt due to tight and slack side tensions Stresses beyond elastic limit of belt material Material of belt Effect of temperature on belt Unequal extensions in the belt due to tight and slack side tensions Stresses beyond elastic limit of belt material Material of belt Effect of temperature on belt 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% The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) 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% The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) The efficiency of a self locking screw can not be more than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in belts Increases the belt tension without increasing power transmission Decreases the power transmitted Increase the wrap angle Increases the power transmitted Increases the belt tension without increasing power transmission Decreases the power transmitted Increase the wrap angle Increases the power transmitted ANSWER DOWNLOAD EXAMIANS APP
Machine Design A steel containing _________ 0.8% carbon is known as hypo-eutectoid steel. Equal to None of these Greater than Less than Equal to None of these Greater than Less than ANSWER DOWNLOAD EXAMIANS APP
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