Related Questions

When an object enters earths atmosphere, it travels ----
A very repidly
B in a rapid manner
C fastly
D rapidly
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
If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by
A sin H = tan φ . cot δ
B cos H = tan φ . cot δ
C tan H = tan φ . cot δ
D None of these
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as
A Steady flow
B Turbulent flow
C Vortex flow
D Uniform flow
When a body of mass moment of inertia '$$I$$' (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is
A $$I\omega $$
B $$I{\omega ^2}$$
C $$0.5I\omega $$
D $$0.5I{\omega ^2}$$
A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where $$\sigma $$ = Stress for a plate with no hole i.e. nominal stress)
A $$\sigma \left( {1 + \frac{{\text{b}}}{{2{\text{a}}}}} \right)$$
B $$\sigma \left( {1 + \frac{{2{\text{a}}}}{{\text{b}}}} \right)$$
C $$\sigma \left( {1 + \frac{{\text{b}}}{{3{\text{a}}}}} \right)$$
D $$\sigma \left( {1 + \frac{{3{\text{a}}}}{{\text{b}}}} \right)$$
The latitude of a place was obtained by subtracting the zenith distance of a star from its declination, the observed star was between
A Horizon and equator
B Equator and zenith
C Zenith and pole
D Pole and horizon
The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between
A Horizon and equator
B Zenith and pole
C Equator and zenith
D Pole and horizon
The direction of rotation of earth on its axis is-
A East to west
B west to east
C North to south
D South to North
A hat contains 12 cards marked with a star and 18 unmarked cards. What is the probability that one card slelected at random will be marked with a star?
A 3/5
B 2/5
C 2/3
D 5/2

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