Machine Design In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be 25 15 21 17 25 15 21 17 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 2840 d 2080 d 1680 d 1420 d 2840 d 2080 d 1680 d 1420 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design For crank shaft bearings, the ratio of the length of the journal to its diameter is_________. Equal to 1 Greater than unity Less than unity None of these Equal to 1 Greater than unity Less than unity None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should Be normal to threaded portion of shank Be across threaded portion of shank Never be across the threaded portion Be parallel to axis of bolt Be normal to threaded portion of shank Be across threaded portion of shank Never be across the threaded portion Be parallel to axis of bolt ANSWER DOWNLOAD EXAMIANS APP
Machine Design Deep groove ball bearings are used for 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 Combined thrust and radial loads at high speed Radial load at high speed Small angular displacement of shafts ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wahl's stress factor __________ very rapidly as the spring index decreases. Increases Decreases None of these Remain same Increases Decreases None of these Remain same ANSWER DOWNLOAD EXAMIANS APP