Which of the following is not one of the three basic sources of water pollution?
A) point
B) diffuse
C) background
D) significant
D
Trades & Technology
You might also like to view...
Blocker ring clearance can be checked using a ________.
A) Dial indicator B) Dial bore gauge C) Plastigage D) Feeler gauge
Trades & Technology
Use the accompanying figure to compute angle R to the nearest minute. Angle A = 31o and angle B = 34o.
A. 40o18' B. 41o42' C. 46o12' D. 48o18'
Trades & Technology
A plunger in a port-helix metering pump with a lower helix would produce which of the following timing characteristics?
A. variable beginning, variable ending B. variable beginning, constant ending C. constant beginning, variable ending D. constant beginning, constant ending
Trades & Technology
What four advantages came about because of the invention of the refrigerated boxcar?
What will be an ideal response?
Trades & Technology