Related Questions

Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases.
A NPSH required
B BHP required by the pump
C Head of the liquid pumped
D All of the above
The water in a fish tank measuring 114 feet by 8 inches is 7 inches high. The water is poured into another tank measuring 14 inches by 20 inches. What will be the height of water, in inches, in the second tank?
A 1/4
B 2
C 3
D 1/12
A rectangular box is 10 inches wide, 10 inches long and 5 inches high. what is the greatest possible distance, in inches ,between any two points on the box?
A 15
B 20
C 25
D 10
A bar of soap has a volume of 18 cubic inches. Jasim used it until it measured 2.75 inches by 2 inches by 1 inch. How many cubic inches of soap did jasim use?
A 14.25
B 5.75
C 8.5
D 12.5
A rectangular box ix 10 inches wide, 10 inches long and 5 inches high . What is the greatest possible (straight line) distance , in inches, between any two points on the box ?
A 15
B 20
C 25
D 10
A rectangular box is 10 inches wide, 10 inches long, and 5 inches high. What is the greatest possible (straight line) distance, in inches, between any two points on the box?
A 15
B 20
C 25
D 10
A border of uniform width is placed around a rectangular photograph that measures 8 inches by 10 inches. If the area of the border is 144 square inches, what is the width of the border, in inches?
A 10
B 3
C 7
D 8
Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter)
A 0.5 D
B D
C 1.5 D
D 2 D
A circular wheel 28 inches in diameter rotates the same number of inches per second as a circular wheel 35 inches in diameter. If the smaller wheel makes x revolutions per second, how many revolutions per minutes does the larger wheel make in terms of x?
A 12x
B 24x
C 36x
D 48x
A circular wheel 28 inches in diameter rotates (moves) the same number of inches per second as a circular wheel 35 inches in diameter. If the smaller wheel makes x revolutions per second, how many revolutions per minute does the larger wheel make in terms of x?
A 12x
B 48x
C 24x
D 36x

Next steps