Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 45° 90° 67.5° 22.5° 45° 90° 67.5° 22.5° ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hot short metal is Brittle under all conditions Brittle when cold Ductile at high temperature Brittle when hot Brittle under all conditions Brittle when cold Ductile at high temperature Brittle when hot ANSWER DOWNLOAD EXAMIANS APP
Machine Design In cross or regular lay ropes Wires in two adjacent strands are twisted in opposite direction Direction of twist of wires in strands is opposite to the direction of twist of strands Direction of twist of wires and strands are same Wires are not twisted Wires in two adjacent strands are twisted in opposite direction Direction of twist of wires in strands is opposite to the direction of twist of strands Direction of twist of wires and strands are same Wires are not twisted ANSWER DOWNLOAD EXAMIANS APP
Machine Design The flank of the tooth is the Width of the tooth measured along the pitch circle Surface of the tooth below the pitch surface Surface of the top of the tooth Surface of the tooth above the pitch surface Width of the tooth measured along the pitch circle Surface of the tooth below the pitch surface Surface of the top of the tooth Surface of the tooth above the pitch surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be 4 τ 2 τ τ τ/2 4 τ 2 τ τ τ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The valve rod in a steam engine is connected to an eccentric rod by Universal coupling Cotter joint Knuckle joint Bolted joint Universal coupling Cotter joint Knuckle joint Bolted joint ANSWER DOWNLOAD EXAMIANS APP