Top 50+ Solved Steam Prime-Movers MCQ Questions Answer

From 16 to 24 of 24

Q. From inlet to exit of moving blades in case of impulse turbine, the pressure

a. increases

b. decreases

c. remains constant

d. none of the above

  • c. remains constant

Q. From inlet to exit of moving blades in case of a reaction turbine, the pressure

a. increases

b. decreases

c. remains constant

d. none of the above

  • b. decreases

Q. In an impulse turbine, steam expands

a. in the nozzle only

b. in the moving blades only

c. in the fixed and moving blades

d. none of the above

  • a. in the nozzle only

Q. In a reaction turbine, steam expands

a. in the nozzle only

b. in the moving blades only

c. in the fixed and moving blades

d. none of the above

  • c. in the fixed and moving blades

Q. A simple impulse turbine consists of

a. one set of nozzles and one set of moving blades

b. two sets of nozzle and one set of moving blades

c. one set each of fixed and moving blades

d. none of the above

  • a. one set of nozzles and one set of moving blades

Q. In a velocity-compounded impulse steam turbine, steam expands in

a. one set of nozzles only

b. more than one set of nozzles

c. fixed and moving blades

d. none of the above

  • a. one set of nozzles only

Q. In a pressure-compounded impulse steam turbine, steam expands in

a. nozzles and fixed blades only

b. moving blades only

c. fixed and moving blades both

d. none of the above

  • a. nozzles and fixed blades only

Q. In a pressure-compounded impulse steam turbine, pressure drop over each ring of moving blades

a. remains constant

b. is increasing

c. is decreasing

d. none of the above

  • a. remains constant
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