A.Interference is inherently absent
B.A convex flank is always in contact with concave flank
C.Variation in centre distance of shafts increases radial force
D.Pressure angle is constant throughout the teeth engagement
E.None of the above
A.rapid population growth
B.deficiency in investment
C.high capital output ratio
D.All of the above
A.20 years
B.30 years
C.40 years
D.125 years
A.The width of depression
B.The depth of depression
C.Diameter of depression
D.None of the above
A.high molecular weight
B.low specific volume
C.higher adiabatic index
D.lower specific speed
A.first power
B.second power
C.third power
D.fourth power.
A.10-2 cm
B.10-3 cm
C.10-4 cm
D.10-6 cm
E.None of the above
A.Solenoid valve
B.Expansion valve
C.Spring safety valve
D.Wheel valve
E.None of the above
A.screw type
B.rack-and-lever type
C.hydraulic type
D.Any of the above
A.to provide an opening through which molten metal is poured
B.to give an indication that mould is filled
C.to allow the heat of molten metal to dissipate to atmosphere
D.to supply molten metal to casting as it tends to contract during solidification
