A ship sails 60 miles south, 90 miles east and 60 miles south again. How many miles is it from its starting point ?
120 b) 135 c) 150 d) 160 41. The formula h= 16t2 represents the distance h; infeet, that an object falls from rest after 1 seconds. In how many seconds will an object fall 400 ft. a) 2 b) 3 c) 4 d) 5 Technical 1.machine tool drives are generally given in: a) arithmetic progression b)geometric progression c) harmonic progression d)none of the above 2.finite element analysis is used in a) accurate measurement b)stress analysis c)metallurgy d)none of the above 3.coolant is generally not used while machining a) low carbon steel b)high carbon steel c) cast iron d)alloy steel 4.Machinability of steel is improved by the presence of a)nickel b)tungsten c)sulphur d)chromium 5.negative rake angle a)increases cutting force b)decreases cutting force c)no effect on cutting force d)none of the above 6.the hardest tool material used is a)coated carbide b)high speed steel c)boron nitride d)diamond 7.stick slip phenomenon is associated with a)spindle rotation b)belt drives c)slide movement d)none of th
