Machine Design A screw will be self locking, if Friction angle is less than helix angle Friction angle is more than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is more than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% ANSWER DOWNLOAD EXAMIANS APP
Machine Design When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as Crown bevel gears Internal bevel gears Angular bevel gears Miter gears Crown bevel gears Internal bevel gears Angular bevel gears Miter gears ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound belt drive is used when None of these 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 None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Ball bearing type screws are found in following application Steering mechanism Aeroplane engines Crane Screw jack Steering mechanism Aeroplane engines Crane Screw jack ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cast iron pipes are mainly used In pressure lubrication systems on prime movers For conveying steam All of these In water and sewage systems In pressure lubrication systems on prime movers For conveying steam All of these In water and sewage systems ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress in a beam varies from zero at the outer fibers to a maximum at the________. Upper surface Neutral surface None of these Lower surface Upper surface Neutral surface None of these Lower surface ANSWER DOWNLOAD EXAMIANS APP
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