Top 50+ Solved Steam Condenser and Cooling Towers MCQ Questions Answer
Q. The condensation of steam in a condenser takes place at
a. constant pressure
b. constant temperature
c. constant pressure and constant temperature
d. none of the above
Q. During condensation process, the temperature of the condensing fluid
a. remains constant
b. decreases
c. increases
d. none of the above
Q. The function of a condenser in a steam power plant is
a. to reduce back pressure
b. to condense the exhaust steam
c. to reduce specific volume of fluid
d. all of the above
Q. In a high-level jet condenser, the condenser shell is installed at a height of
a. more than 5.5 m
b. more than 10.33 m
c. less than 10.33 m
d. none of the above
Q. The surface condensers are preferred in steam power plant, because
a. they require less coolant
b. condensate can be reused
c. they are more efficient
d. none of the above
Q. In evaporative condensers, the condensing of steam is achieved
a. by rejecting heat to surrounding air
b. by rejecting heat to coolant
c. by evaporation of some coolant
d. none of the above
Q. Dalton's law of partial pressure, applicable to condensers, states that
a. Pa = Pabs + Psat
b. Psat = Pabs + Pa
c. Pabs = Pa+ Psat
d. none of the above
Q. The absolute pressure in a condenser is given by
a. Pabs = Patm + Pvacuum
b. Pabs = Patm -Pvacuum
c. Pabs = Pvacuum
d. none of the above
Q. Air leakage into the condenser reduces
a. turbine output
b. cooling capacity
c. life of condenser
d. all of the above
Q. The vacuum maintained in a condenser depends on
a. pressure of cooling water
b. temperature of cooling water
c. back pressure maintained in the condenser
d. all of the above
Q. The function of a condenser in a thermal power plant is.......
a. To act as reservior to receive steam for turbine
b. To condense steam into condensate to be reused again
c. To create vaccum
d. All of the above
Q. A condenser where circulating water flows through tubes which are surrounded by steam,is known as.........
a. Surface condenser
b. Jet condenser
c. Barometric condenser
d. Evaporative condenser
Q. The vaccum obtainable in a condenser is dependent upon......
a. Capacity of ejector
b. Quantity of steam to be handeled
c. Types of condenser used
d. Temperature of cooling water
Q. The ratio of actual vaccum to the ideal vaccum in a condenser is called.......
a. Condenser efficiency
b. Vaccum efficiency
c. Boiler efficiency
d. Nozzle efficiency
Q. A condenser in a steam power plant is .......
a. Increases expansion ratio of steam
b. Reduces back pressure of steam
c. Reduces temperature of exhaust steam
d. All of the above