Condenser In Class Quiz 1

Question 1

Where are the location of evaporative condenser water eliminators

a) they are between fans and dampers
b) they are between spray nozzles and fills
c) they are between fans and fills
d) they are between fans and spray nozzles

Answer 1

d) they are between fans and spray nozzles

Question 2

What are the minimum hole sizes of protective screen of induced - draft towers

a) 1/4”
b) 3/8”
c) 1/2”
d) 5/8”

Answer 2

c) 1/2”

Question 3

What pattern are the fill material of cooling towers in now days usually made into?

a) round
b) honeycomb
c) wave shape
d) diamond

Answer 3

b) honeycomb

Question 4

What tools should be used to flush a water regulating valve

a) 2 command end screwdrivers
b) a rolling head pry bar
c) a ref service wrench and gauge

Answer 4

a) two command end screwdrivers

Question 5

Which of the following numbers is closest to the weight of water per day a water cooled condenser uses if it is using city water and the systems refrigeration capacity is 5 tons and runtime is 20h/day

a) 36,000
b) 30,000
c) 18,0000
d) 75,000

Answer 5

1.5 x 5ton x 20 x 60 = 9,000 x 8.33 = 75,000

Question 6

How much does two us gallons of water weigh?

a) 10lb
b) 20lb
c) 8.33lb
d) 16.66lb

Answer 6

d)

Question 7

how much is a standard condenser ton?

a) 12,009 BTUH
b) 15,000 BTUH
c) 260 BTUH

Answer 7

b)

Question 8

what is the temp difference of water in and water out of a water cooled condenser for design purposes when a cooling tower is used?

a) 10F
b) 20F
c) 15F

Answer 8

b) 20F

Question 9

Where is the better location to add water treatment chemicals when automatically chemical feeding water treatment system is used?

a) water pump discharge line
b) water pump return line
c) cooling tower makeup water line
d) cooling tower drain line

Answer 9

a) water pump discharge line

Question 10

What condensers are the co-axial condensers refer to?

a) fin and tube
b) bare tube
c) tube within a tube
d) shell and tube

Answer 10

c) tube within a tube

Question 11

what protection gear is recommended when attaching or removing gauges?

a) goggles
b) goggles and gloves
c) safety glasses
d) safety glasses and gloves

Answer 11

b) goggles and gloves

Question 12

How much condenser water is required for a five ton air conditioning system using cooling tower water (US Gallons)

Answer 12

5ton x 3gpm = 15GPM

Question 13

For most standard-efficiency air-cooled condensers have condensers, the refrigerant inside the coils will normally condense at a 30F higher temp than the air passing over it

a) true
b) false

Answer 13

true

Question 14

Cooling towers can be located inside buildings

True or False

Answer 14

True

Question 15

Ref will normally
condenser at the temp about 10F higher than the entering water temp

True or False

Answer 15

False

Question 16

While water going into a water cooled condenser is warmer in summer time than in winter time, the water leaving the condenser in the summer would most likely be colder in the winter time

true or false

Answer 16

true

Question 17

Tube within a tube condensers are not cleanable

true or false

Answer 17

false