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Worksheets311224
Total questions: 10
Worksheet time: 17mins
Steam at 120 ⁰C having a pressure of 2 bar is present in the state of ...
Superheated
Saturated liquid
Saturated vapor
Compressed liquid
Saturated mixture
Steam at 50 bar with a temperature of 100 ⁰C will record a specific volume of ...
7.2359 kJ/kg
417.5 kJ/kg
0.00104 kJ/kg
423 kJ/kg
The specific enthalpy of steam at 220 ⁰C and 0.1 bar is
2977 kJ/kg
2918.8 kJ/kg
22.2 kJ/kg
2880 kJ/kg
What information can be found in the steam tables?
The velocity of steam at different pressures
The volume of the water at different temperatures
The temperature of the steam at different pressures
The sensible heat added to the steam at different pressures
What is the correct definition of saturated steam?
Steam at the same temperature as the water from which it was produced
Steam with all water droplets removed
Steam to which sensible heat has been added
Steam that has been completely heated and no additional heat can be added
What effect does lowering the pressure have on the boiling temperature of water?
Boiling temperature remains constant
Boiling temperature increases
Boiling temperature decreases
What does the temperature column indicates in a typical steam table?
The temperature of the steam only
The boiling temperature only
The temperature of the condensate only
The boiling temperature and the temperature of the steam
What does the sensible heat column indicate on a typical steam table?
The amount of heat energy required to raise the temperature of a mass of water to the boiling temperature
The amount of heat energy required to raise the temperature of 1 lb of water from 32°F to 212°F
The amount of heat energy required to change the state of 1 lb of water to 1lb of steam
The amount of heat energy required to raise the temperature of 1 lb of water from 32°F to the boiling temperature of the water
What is the relationship between pressure and the volume of steam?
pressure increases, volume increases
pressure increases, volume remains constant
pressure decreases, volume increases
pressure decreases, volume remains constant
What is the relationship between temperature and pressure?
pressure increases, temperature increases
pressure increases, temperature remains constant
pressure decreases, temperature increases
pressure decreases, temperature remains constant
