Machine Design In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged belt because Belts are available in sets The new belt will carry more than its share and result in short life New and old belts will cause vibrations Only one belt cannot be fitted with other used belts Belts are available in sets The new belt will carry more than its share and result in short life New and old belts will cause vibrations Only one belt cannot be fitted with other used belts ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length) 2 × (π/4) d² × τ × n (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 3 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 3 × (π/4) d² × τ × n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The expansion joint is mostly used for pipes which carry steam at __________ pressures. Low Medium None of these High Low Medium None of these High ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in static loading is more serious in Equally serious in both cases Depends on other factors Ductile materials Brittle materials Equally serious in both cases Depends on other factors Ductile materials Brittle materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be 4 8 2 16 4 8 2 16 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a hydrodynamic lubricated bearing There is no lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is a thin film of lubricant between the journal and the bearing There is a thick film of lubricant between the journal and the bearing There is no lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is a thin film of lubricant between the journal and the bearing There is a thick film of lubricant between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
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