Related Questions

Euler number is defined as the ratio of inertia force to __________ force.
A Pressure
B Elastic
C Gravity
D Viscous
The ratio of the moment of inertia of a rectangle about its centroidal axis to the moment of inertia about its base, is
A $$\frac{1}{4}$$
B $$\frac{1}{2}$$
C $$\frac{3}{4}$$
D $$2$$
Ratio of inertia force to elastic force is known as
A Mach number
B Froude number
C Reynolds number
D Weber's number
The ratio of the inertia force to the elastic force is called
A Reynold's number
B Froude's number
C Weber's number
D Mach number
The ratio of the inertia force to the viscous force is called
A Reynold's number
B Froude's number
C Weber's number
D Euler's number
Mass moment of inertia of a thin rod about its one end is ___________ the mass moment of inertia of the same rod about its mid-point
A Same as
B Twice
C Thrice
D Four times
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.
A Equal to
B Twice
C Three times
D Four times
In the low Reynolds number region, the drag force on a sphere is proportional to
A V
B V2
C V4
D V0.5
When the ratio of the Grashoff number and to the square of Reynolds number is one, the dominant mechanism of heat transfer is
A Free convection
B Entry length problem in laminar forced conduction (developing thermal boundary layer)
C Mixed convection (both free and forced)
D Forced convection
Froude's number is the ratio of inertia force to
A Pressure force
B Elastic force
C Gravity force
D Surface tension force

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