Related Questions

In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around
A 0.5
B 1.5
C 2.5
D 3.5
A swimming pool is initially filled to a depth of 96 inches. After 2 weeks, the depth has decreased to9212 inches. Assuming that the depth decreased at a constant rate, after how many days would the water depth have reached 9334 inches?
A 3
B 9
C 7
D 6
The length of a rectangular field F is 3 km greater than the side of a square field M , and the width of field F is 3 km less then the side of field M. If the area of field M is m2 square km, what is the area of field F?
A m2 +6
B 6
C m2 - 6
D m2 +9
In an incompressible flow of fluid, the fluid
A Temperature remains constant
B Compressibility is greater than zero
C Density does not change with pressure & temperature
D Is frictionless
For an incompressible fluid, the __________ is a function of both pressure as well as temperature.
A Internal energy
B Enthalpy
C Entropy
D All of the above
For turbulent flow of an incompressible fluid through a pipe, the flow rate Q is proportional to (Δ P)n, where ΔP is the pressure drop. The value of exponent 'n' is
A 1
B 0
C > 1
When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a
A D-slide valve
B governor
C Meyer’s expansion valve
D flywheel
A farmer has two rectangular fields. The larger field has twice the length and four times the width of the smaller field. If the smaller field has area K, then the area of the largest field is greater than the area of the smaller field by what amount?
A 4K
B 6K
C 7K
D 8K
A farmer has two rectangular fields. The larger field has twice the length and four times the width of the smaller field. If the smaller field has area K, then the area of the larger field is greater than the area of the smaller field by what amount ?
A 2K
B 5 K
C 6K
D 7K
The pressure of a fluid varies with depth h as P = PQ+pgh, where p is the fluid density. This expression is associated with
A Pascal\u2019s law
B Newton\u2019s law
C Bernoulli\u2019s principle
D Archimedes\u2019 principle

Next steps