A.Personnel values are different
B.Middle-men can profit by making trade
C.The exchange leads to more preferred situation for the traders
D.There is enough disparity between the consumption-substitution ratios to cover the costs of trades
E.All of the above
A.FeC
B.Fe3C
C.FeC3
D.Fe2C3
E.Fe3C2
A.Thermal conductivity of medium
B.Electrical resistivity
C.Conductance
D.Capacitance
E.Relative humidity
A.Screw with long threads
B.Screw with circular heads
C.Screw with cylindrical head
D.Headless scew
E.Oval heads screw
A.Dragging
B.Rattling
C.Slipping
D.Grabbing
E.All of the above
A.Cast iron
B.Nickel alloy
C.Stainless steel
D.Alloy steel
E.High speed steel
A.increases
B.decreases
C.first increases and then decreases
D.none of the above
A.85 – 90
B.90 – 100
C.100 – 105
D.110 – 125
E.125 – 140
