Machine Design In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing. None of these Thin film Either A or B Thick film None of these Thin film Either A or B Thick film 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 2.5 3.5 2.8 3 2.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Deep groove ball bearings are used for Combined thrust and radial loads at high speed Radial load at high speed Small angular displacement of shafts Heavy thrust load only Combined thrust and radial loads at high speed Radial load at high speed Small angular displacement of shafts Heavy thrust load only ANSWER DOWNLOAD EXAMIANS APP
Machine Design If two springs are in parallel then their overall stiffness will be Double None of these Half Same Double None of these Half Same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod) 1.2 d 0.8 d 0.5 d d 1.2 d 0.8 d 0.5 d d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum efficiency of a square threaded screw is (1 - sinφ)/ (1 + cosφ) (1 + cosφ)/ (1 - sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 - sinφ)/ (1 + cosφ) (1 + cosφ)/ (1 - sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) ANSWER DOWNLOAD EXAMIANS APP