Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 15 N-m 10 N-m 7 N-m 5 N-m 15 N-m 10 N-m 7 N-m 5 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B. Sixteen times Eight times Four times Twice Sixteen times Eight times Four times Twice ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following coupling is used to connect two shafts which have both lateral and angular misalignment? All of these Oldham coupling Universal coupling Bushed pin type coupling All of these Oldham coupling Universal coupling Bushed pin type coupling ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (2WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wire ropes as compared to cotton ropes Can withstand shock loads Offer silent operation All of these Are lighter in weight Can withstand shock loads Offer silent operation All of these Are lighter in weight ANSWER DOWNLOAD EXAMIANS APP
Machine Design In static loading, stress concentration is more serious in Elastic materials Brittle as well as ductile materials Ductile materials Brittle materials Elastic materials Brittle as well as ductile materials Ductile materials Brittle materials ANSWER DOWNLOAD EXAMIANS APP
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