Machine Design Shaft coupling is used in machinery to Introduce protection against over loads Introduce mechanical flexibility Reduce the transmission of shock loads All of these Introduce protection against over loads Introduce mechanical flexibility Reduce the transmission of shock loads All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The difference between the tooth space and the tooth thickness as measured on the pitch circle, is called Working depth Backlash Face width Clearance Working depth Backlash Face width Clearance ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is an anti-friction bearing? Collar bearing Needle bearing Pedestal bearing Journal bearing Collar bearing Needle bearing Pedestal bearing Journal bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive) is called Alternating stress Yield stress Fluctuating stress Repeated stress Alternating stress Yield stress Fluctuating stress Repeated stress 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 3.5 3.0 2.5 2.8 3.5 3.0 2.5 2.8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gear box is used To produce torque For speed reduction To increase efficiency of system To obtain variable speeds To produce torque For speed reduction To increase efficiency of system To obtain variable speeds ANSWER DOWNLOAD EXAMIANS APP