Related Questions

When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be
A Choked
B Under-damping
C Over-damping
D None of these
The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the
A Length is shorter
B Throat diameter is more
C Sudden expansion of flow in the downstream occurs
D Distance between the throat and the inlet is more
A nozzle is said to be a divergent nozzle
A When the cross-section of the nozzle increases continuously from entrance to exit
B When the cross-section of the nozzle decreases continuously from entrance to exit
C When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit
D None of the above
A nozzle is said to be a convergent nozzle
A When the cross-section of the nozzle increases continuously from entrance to exit
B When the cross-section of the nozzle decreases continuously from entrance to exit
C When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit
D None of the above
The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle)
A Remains constant
B Decreases
C Increases
D None of these
When the cross-section of a nozzle __________ continuously from entrance to exit, it is called a convergent nozzle.
A Increases
B Decreases
C Remain same
D None of these
When the nozzle operates with the maximum mass flow, the nozzle is said to be
A Choked
B Under-damping
C Over-damping
D None of these
A person makes a profit of 10% on 25% of the quantity and loss of 20% on the rest of the quantity. What is the gain or loss is percentage on the whole?
A 10%
B 12.5%
C -12%
D 20%
A person makes a profit of 10% on 25% of the quantity and a loss of 20% on the rest. What is the percentage gain or loss on the whole?
A 10%
B 12.5%
C -12%
D 25%
A manufacturer sells an article to a wholesale dealer at a profit of 20% and the whole sale dealer sells it to a retail merchant at a loss of 5%. Find the resultant profit or loss.
A 14% loss
B 14% gain
C 12% gain
D None of these

Next steps