Related Questions

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 tank containing liquid moves with an acceleration in the horizontal direction, then the free surface of the liquid
A Remains horizontal
B Becomes curved
C Falls on the front end
D Falls on the back end
An open tank containing liquid is moving with an acceleration on an inclined plane. The inclination of the free surface of the liquid will be __________ to the acceleration of the tank.
A Equal to
B Directly proportional
C Inversely proportional
D None of these
গরম বাতাসে পরিপূর্ণ M ভরের একটি বেলুন (থ্রডি সহ) পৃথিবীর দিকে খুব ত্বরণ a তে নেমে আসছে। ঝুড়ি থেকে কি পরিমান m ভর ফেলে দিলে বেলুনটি উপরের দিকে একই খুব ত্বরন a- তে উঠে যাবে ? সকল ক্ষেত্রে বেলুনটির আয়তন একই ছিল বলে ধরে নেওয়া হলো। (g = অভিকর্ষীয় ত্বরন)(A hot air balloon with a bucket is descending towards the earth with a constant acceleration a. The combined mass of the balloon and bucket is M. What mass m from the bucket should be released so that the balloon starts ascending up with the same acceleration a? Consider the volume of the balloon remains constant at all the time. (g=acceleration due to gravity))
A m=2ag+aM
B m=g+a2M
C m=2ag M
D m=M2a(g+a)
E m=ag+M
When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of
A A triangle
B A paraboloid
C An ellipse
D None of these
When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure
A Varies as the square of the radial distance
B Increases linearly as its radial distance
C Increases as the square of the radial distance
D Decreases as the square of the radial distance
Two glasses of equal volume respectively are half and three - fourths filled with milk. They are then filled to brim by adding water. Their contents are then poured into another vessel. What will be the ratio of milk to water in this vessel ?
A 1 : 3
B 2 : 3
C 3 : 2
D 5 : 3
A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.
A Isolated
B Closed
C Open
D None of these
When a point at the end of a link moves with constant angular velocity, its acceleration will have
A radial component only
B tangential component only
C coriolis component only
D radial and tangential components both
A point B on a rigid link AB moves with respect to A with angular velocity $$\omega $$ rad/s. The total acceleration of B with respect to A will be equal to
A Vector sum of radial component and Coriolis component
B Vector sum of tangential component and Coriolis component
C Vector sum of radial component and tangential component
D Vector difference of radial component and tangential component

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