Related Questions

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 the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be
A true R.L.
B more than true R.L.
C less than true R.L.
D none of the above
The imaginary axis at which the earth rotates remains inclined at an angle of ____ to the plane of earth's orbit.
A 441/2
B 551/2
C 661/2
D 0
পৃথিবী পৃষ্ঠে একটি ইটের ওজন 81 N. পৃথিবীর অর্ধেক বাসার্ধের সমান উচ্চতায় এবং অর্ধেক বাসার্ধের সমান গভীরতায় ইউটির উপরে পৃথিবীর অভিকর্ষ বলের মান কত হবে?(A brick weighs 81 N on the surface of the earth. What are the earth's gravitational forces act on it at a height of half of the radius of the earth and at a depth of half of the radius of earth, respectively?)
A 36 N and 81 N
B 36 N and 40.5 N
C 36 N and 20.25 N
D 98 and 40.5 N
E 81 N and 81 N
Vertical difference, which measures distance between estimated and actual cost for every single observation is classified as
A residual term
B positive term
C negative term
D squared term
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
The angle between the direction of star and the direction of earth's axis of rotation is called
A Co-declination
B Co-latitude
C Declination
D Latitude
The oldest rocks in the earth's crust were once molten, and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earth's early life and solidified into hard rock's called
A granite
B basalt
C igneous rocks
D sedimentary rocks
If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to
A $${\text{d}}$$
B $$\frac{1}{{\text{d}}}$$
C $${{\text{d}}^2}$$
D $$\frac{1}{{{{\text{d}}^2}}}$$
The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called
A Visible horizon
B Sensible horizon
C Celestial horizon
D True horizon

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