Related Questions

Froude's number is the ratio of inertia force to
A Pressure force
B Elastic force
C Gravity force
D Surface tension force
Froude number is significant in
A Supersonics, as with projectile and jet propulsion
B Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
C Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls
D All of the above
Froude number is not a factor
A For Reynolds number greater than 300
B When there is no vortex formation
C For unbaffled tank
D None of these
Rahim has invited his three buddies over to watch the basketball game on his wide-screen television. They are all hungry, but no one wants to leave to get food. Just as they are arguing about who should make the food run, a commercial comes on for a local pizzeria that delivers. The phone number flashes on the screen briefly and they all try to remember it. By the time Zachary grabs a pen and paper, each of them recollects a different number.i. All of the men agree that the first three numbers are 995.ii. Three of them agree that the fourth number is 9.iii. Three agree that the fifth number is 2.iv. Three agree that the sixth number is 6; three others agree that the seventh number is also 6.Which of the numbers is most likely the telephone number of the pizzeria?
A 995-9266
B 995-9336
C 995-9268
D 995-8266
If 25% of a number is subtracted from a second number, the second number reduces to its five-sixth .What is the ratio of the first number to the second number ?
A 1:3
B 2:3
C 3:2
D None of these
The ratio of boys to girls in class A is 3 to 4 . The ratio of boys to girls in class B is 4 to 5 . If the two classes were combined, the ratio of boys to girls in class B is two less than the number of girls in class A. How many girls are in class A?
A 87
B 11
C 12
D 15
Two different companies, X and Y, have the same number of workers. The ratio of the male workers in company X and the male workers in company Y is 2:1 and the ratio of female workers in both company is 4:5.What is the ratio of female workers to the male workers in Company X?
A 1:2
B 2:3
C 3:4
D 1:5
Two different schools, A and B, have the same number of students. The ratio of the boys in school A and the boys in school B is 2:1 and the ratio of the girls in school A and the girls in school B is 4:5. What is the ratio of the boys in school A to the girls in school A?
A 1:2
B 2:3
C 3:4
D 4:5
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and difference of the digits of the number if the ratio between the digits the number is 1 : 2?
A 4
B 8
C 16
D 24
In a certain English class, 1/4 of the number of girls is equal to 1/6 of the total number of students. What is the ratio of the number of boys to the number of girls in the class?
A 1:4
B 1:3
C 1:2
D 2:3

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