A.at least one man on side B should be removed
B.the force applied on A must be equal to that on B
C.the force required on A must not be equal to that on B
D.infinite force will be required to be applied at both ends
A.1.8 to 9.5 %
B.4.1 to74.2 %
C.3.2 to 12.5 %
D.1.6 to 8.5 %
A.Tempered
B.Hardened
C.Annealed
D.Tempered and annealed
E.Hardened and tempered
A.incentive scheme
B.bonus plan
C.fringe benefit
D.Perk
A.can use low-grade brine
B.requires less electric power than the modified Solvay process
C.does not require NH3 plant investment
D.all of the above
A.Cement
B.Paper
C.Wood
D.Rubber
E.Glass
A.Worm gears
B.Herringbone gears
C.Spiral gears
D.Helical gears
E.Bevel grars
A.25-50 cpm
B.50-100 cpm
C.100-175 cpm
D.175-290 cpm
E.300-350 cpm
A.Very low pressures
B.Pressure differential
C.Atmospheric pressures
D.High pressures
E.Pressures above and below atmospheric pressure
A.Pressure of a gas kept at constant-volume
B.Volume of a gas kept at constant-pressure
C.Thermal emf of a thermocouple
D.All of the above
