For any shaft the number of critical speed is – McqOptions

MCQOPTIONS

1.	For any shaft the number of critical speed is
A.	infinite
B.	depends on size and load
C.	2
D.	1
E.	depends on external load and moment of inertia
Answer» B.

Discussion

No Comment Found

Related MCQs

A cantilever beam rectangular in cross-section is subbjected to a load W at its free end. If the depth of the beam is doubled and the load is halved, the deflection of the free end as compared to original deflection will be
A short, hollow cast iron cylinder with a wall thickness of 1 cm is to carry a compressive load of 10 tonnes. If the working stress in compression is 800 kg/cm2, the outside diameter of the cylinder should not be less than
A beam fixed at both ends with a central load W in the middle will have zero bending moment as
In case of thin cylindrical shell with hemispherical ends
A thin cylinder contains fluid at a pressure of 30 kg/cm2, the inside diameter of the shell is 60 cm and the tensile stress in the material is to be limited to 900 kg/cm2. The shell must have minimum wall thickness of
Web crippling occurs due to
A pressure vessel is said to be thin walled when the ratio of internal diameter of the vessel and wall thickness is
Static loading of a specimen
Force required to punch a 15 mm hole in a mild steel pipe 5 mm thick, when ultimate shear stress of the plate is 500 N/mm2, will be nearly
For a beam of uniform strength if its depth is maintained constant, then its width will vary in proportion to