Test 1 True/false

Question 1

Dry saturated steam is in a semi-gaseous state

Answer 1

True

Question 2

An open feedwater heater vents gases to the atmosphere

Answer 2

True

Question 3

Pressure on water does not change boiling point of the water

Answer 3

False

Question 4

A dry pipe separator increases the quality of steam leaving a steam boiler

Answer 4

True

Question 5

Try cocks are not effective above a steam pressure of 250 psi

Answer 5

True

Question 6

An economizer isa heat exchanger that absorbs heat from the gases of combustion leaving the boiler

Answer 6

True

Question 7

Superheating steam is imposible at low steam pressure

Answer 7

False

Question 8

The boiling point of water is not effected by boiler pressure

Answer 8

False

Question 9

Waterwalls permits greater heat absorption per cubic foot of furnace volume than refractory walls

Answer 9

True

Question 10

A glove valve offers less resistance to flow than a gate valve does.

Answer 10

False

Question 11

Is a plant has only one boiler an automatic non-return valve is not necessary.

Answer 11

True

Question 12

The stop valve in a boiler feedwater line should have the pump discharge pressure on the top of the valve disk when the valve is closed.

Answer 12

False

Question 13

A calorimeter measures excess air being used for combustion

Answer 13

False

Question 14

Boiler tube dimension are based on the inside diameter of the tube

Answer 14

False

Question 15

Absolute pressure is pressure below the atmospheric pressure

Answer 15

False

Question 16

Scale protects the boiler heating surface

Answer 16

False

Question 17

A hydrostatic test will determine whether a steam boiler has sufficient relieving capacity

Answer 17

False

Question 18

Burning fuel is a chemical reaction that releases heat

Answer 18

True