Bissoy.com
Doctors Medicines MCQs Q&A

In the expression of pressure thrust, what does the area (A) represent?

In the expression of pressure thrust, what does the area (A) represent? Correct Answer The cross-sectional area of the nozzle exit

Area (A) represents the nozzle exit cross-sectional area. The expression for pressure thrust is (Pe-Pa)A, where Pe is the exit pressure and Pa is the ambient pressure.

Related Questions

Consider the following statements in connection with thrust bearings: 1) Cylindrical thrust bearings have higher coefficient of friction than ball thrust bearings. 2) Taper rollers cannot be employed for thrust bearings. 3) Double-row thrust ball bearing is not possible 4) Lower race, outer race and retainer are readily separable in thrust bearings. Which of the above statements are correct?
Rocket A has twice the pressure thrust of rocket B while it has half the momentum thrust as that of B. If the momentum thrust of B is 5 times its pressure thrust, find the ratio of total thrust of A to B.
In the following figure, Triangle represent school, Square represent college, Circle represent Students, Rectangle represent Private college, and Trapezium represent Distance learning. Which set of letter represent college student that opted for distance learning.
Study the accompanying Venn diagram that represents groups of persons speaking five different languages as follows. Oblong circle = Marathi ; Rectangle = Kannada, Circle = English, Triangle = Gujarati, Equilateral quadrangle = Hindi Using above information select the false statement/s from following list. (a) Area c represent persons speaking 5 languages but area d represents persons speaking 4 languages only. (b) Areas b and d represent persons speaking same number of languages. (c) Areas f, b and e represent persons speaking same languages. (d) Areas g and h represent persons who speak two languages only. 
In the following figure Rectangle represent Bread, Circle represent Pizza, triangle represent Burger, and Square represent Cheese. Which set of letter represent cheese and bread.
In the following figure Rectangle represent rugby players, Circle represent Chess player, triangle represent Sprinter, and square represent Kabaddi Player. Which set of letters represent Chess player and Kabaddi player but not sprinter.
An A/C is flying with thrust loading at take-off is 0.9. If thrust at take-off and cruse is equal then, determine the thrust loading during cruise.
Find the acceptable value of ram drag if Turbojet is designed to provide net thrust of 88% of gross thrust. Engine gross thrust is 12.5KN.
Determine the chamber pressure for a rocket engine if the thrust coefficient is 1.8, the throat area is 0.2 m2 and the total thrust is 20000 N.
Determine the nozzle throat area for a rocket engine producing a total thrust of 10 kN, chamber pressure of 5.2 MPa and thrust coefficient of 1.9.