智慧职教: Tank unit capacitance varies as a function of the _____ in the tank.

In the tank there is a sending unit which tells the fuel gauge how much fuel is left in the tank．

Which of the following operation is correct?______. A: After being treated in the bio-filter tank, the sewage is discharged overboard B: After going through the biological film, the sewage is discharged overboard C: The sewage treated in the bio-filter tank flows into the sterilization compartment D: The sewage is first collected in sterilization tank then discharged into the bio-filter tank.

What did the researchers do after they gave the fish shots? A: They gave all the fish in the fish tank some painkilling shots. B: They put painkilling medicine in the water of both sides of the fish tank. C: They put painkilling medicine in the water of the natural side of the fish tank. D: They put painkilling medicine in the water of the empty side of the fish tank.

Particle's settling efficiency is related to _____ in ideal settling tank. A: water depth B: tank length C: surface load D: horizontal flow velocity E: settling time

A level gauge for a tank is to （）.

Because the circulating water is in a closed loop,_______is installed to cater for expansion and contraction of the water at different conditions of operation. A.an expansion joint B.a drain tank C.a head tank D.a contraction tank

class Tank { int level; } public class TestTank { public static void main(String[] args) { Tank t1 = new Tank(); Tank t2 = new Tank(); t1.level = 9; t2.level = 47; System.out.println("1: t1.level: " + t1.level + ", t2.level: " + t2.level); t1 = t2; System.out.println("2: t1.level: " + t1.level + ", t2.level: " + t2.level); t1.level = 27; System.out.println("3: t1.level: " + t1.level + ", t2.level: " + t2.level); } }‍‎

class Tank { int level; } public class TestTank { public static void main(String[] args) { Tank t1 = new Tank(); Tank t2 = new Tank(); t1.level = 9; t2.level = 47; System.out.println("1: t1.level: " + t1.level + ", t2.level: " + t2.level); t1 = t2; System.out.println("2: t1.level: " + t1.level + ", t2.level: " + t2.level); t1.level = 27; System.out.println("3: t1.level: " + t1.level + ", t2.level: " + t2.level); } }

For large two-stroke diesel engine, the lubricating oil required for cross head bearing lubrication comes from the_____. A: settling tank B: lubricating oil circulation tank C: Wet sump D: Daily service tank