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) d 0.75 d 0.5 d 1.25 d d 0.75 d 0.5 d 1.25 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design For applications involving high stresses in one direction only the following type of thread would be best suited Acme thread Buttress thread Square thread ISO metric thread Acme thread Buttress thread Square thread ISO metric thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design A woodruff key is A tapered key with head at one end Fitted in pairs at right angles All of these Capable of tilting in a recess milled out in the shaft A tapered key with head at one end Fitted in pairs at right angles All of these Capable of tilting in a recess milled out in the shaft 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 Screws used for power transmission should have Strong teeth Very fine threads High efficiency Low efficiency Strong teeth Very fine threads High efficiency Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design A fast and loose pulley drive is used when Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the same directions Shafts are arranged parallel and rotate in the opposite directions Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the same directions Shafts are arranged parallel and rotate in the opposite directions Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft ANSWER DOWNLOAD EXAMIANS APP