Steam System

Question 1

Formula for Flash Steam % Available

Answer 1

Flash steam available % =. (S1 – S2 )/ L2

Here : S1 is the sensible heat of higher pressure condensate
S2 is the sensible heat of the steam at lower pressure
L2 is the latest heat of flash steam ( at lower pressure)

Question 2

Specific heat of water

Answer 2

….1 kJ/ kg ‘c

Question 3

Unit of Latent heat

Answer 3

kJ / kg

Question 4

Unit of Heat transfer co-efficient

Answer 4

Watt/ sq meter - deg centigrade

Question 5

Unit of Enthalpy

Answer 5

….kJ/ deg centigrade

Question 6

Sensible heat

Answer 6

For which temp rises with heat input

Question 7

Enthalpy of evaporation

Answer 7

….

Question 8

Steam table

Answer 8

….

Question 9

Dryness factor

Answer 9

Hg = Hf + q x Hfg

Here, q is dryness factor

Question 10

Unit of Specific Entropy

Answer 10

….

Question 11

Steam phase diagram

Answer 11

….

Question 12

Critical point temperature

Answer 12

….

Question 13

Specific volume unit

Answer 13

M3 / kg

Question 14

Friction factor chart

Answer 14

….

Question 15

Unit of specific entropy

Answer 15

….

Question 16

Degree of super heat

Answer 16

….

Question 17

Specific volume can be multiply with much-flow value to get volume flow value

Answer 17

….

Question 18

Desuperheating

Answer 18

….

Question 19

Conduction / convection / radiation

Answer 19

….

Question 20

Thermocoupler/ dryer

Answer 20

….

Question 21

Steam trap-

• mechanical,
• thermodynamic
• thermostatic

Answer 21

….