21. Ounce is equal to:
(a) 437.5 grains
(b) 16 drams
(c) Both (a) and (b)
(d) None of these
22. How many ounces are equal to one pound?
(a) 16
(b) 20
(c) 22
(d) 28
23. How many pounds are equal to one stone?
(a) 10 pounds
(b) 14 pounds
(c) 18 pounds
(d) 20 pounds
24. 20 hundredweights are equal to:
(a) 11 tons
(b) 1 ton
(c) 5 tons
(d) 12 tons
25. How many cubic inches are there in one cubic foot?
(a) 1628 cubic inches
(b) 1728 cubic inches
(c) 1428 cubic inches
(d) 1320 cubic inches
26. How many cubic feet make one cubic yard?
(a) 5.5
(b) 15
(c) 27
(d) 33
27. How many cubic feet make one bulk barrel?
(a) 5.8 cubic feet
(b) 6.7 cubic feet
(c) 8.8 cubic feet
(d) 10 cubic feet
28. One register ton is equal to:
(a) 300 cubic feet
(b) 100 cubic feet
(c) 200 cubic feet
(d) 400 cubic feet
29. How many meters are there in one cubic decameter?
(a) 1000
(b) 1500
(c) 1500
(d) 1800
30. How many cubic millimeters constitute one cubic centimeter?
(a) 1000
(b) 1200
(c) 1300
(d) 1500