Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) πd.t.τu π/4 × d² × tτu π/4 × d².τu t.τu πd.t.τu π/4 × d² × tτu π/4 × d².τu t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The tension on the slack side of the belt is __________ the tension on the tight side of the belt. Greater than None of these Less than Equal to Greater than None of these Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Machine Design When carbon in the cast iron is principally in the form of graphite, the cast iron will be of White colour Brown colour Yellow colour Grey colour White colour Brown colour Yellow colour Grey colour ANSWER DOWNLOAD EXAMIANS APP
Machine Design The designation M 33 × 2 of a bolt means Metric threads of 33 mm outside diameter and 2 mm pitch Metric threads with cross-section of 33 mm Metric threads of 33 numbers in 2 cm Bolt of 33 mm nominal diameter having 2 threads per cm Metric threads of 33 mm outside diameter and 2 mm pitch Metric threads with cross-section of 33 mm Metric threads of 33 numbers in 2 cm Bolt of 33 mm nominal diameter having 2 threads per cm ANSWER DOWNLOAD EXAMIANS APP
Machine Design Ball bearing type screws are found in following application Screw jack Steering mechanism Aeroplane engines Crane Screw jack Steering mechanism Aeroplane engines Crane ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wire ropes as compared to cotton ropes Are lighter in weight All of these Offer silent operation Can withstand shock loads Are lighter in weight All of these Offer silent operation Can withstand shock loads ANSWER DOWNLOAD EXAMIANS APP