Machine Design For applications involving high stresses in one direction only the following type of thread would be best suited ISO metric thread Buttress thread Acme thread Square thread ISO metric thread Buttress thread Acme thread Square thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum efficiency of a square threaded screw is (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a metal or alloy is cold worked, Its hardness and strength increases It is worked below recrystallization temperature None of these Both (A) and (B) Its hardness and strength increases It is worked below recrystallization temperature None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The coefficient of friction in belt drive depends upon Belt velocity Materials of belt and pulley Material of pulley Material of belt Belt velocity Materials of belt and pulley Material of pulley Material of belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.8 3 3.5 2.5 2.8 3 3.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The expansion joint is mostly used for pipes which carry steam at __________ pressures. Low None of these High Medium Low None of these High Medium ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS