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Molecules of fluids get attracted due to
Cohesion is the intermolecular attractive force acting between two adjacent portions of a substance within itself, particularly of a fluid.
Cohesion is the intermolecular attractive force acting between two adjacent portions of a substance within itself, particularly of a fluid.
See lessOn an inclined plane, centre of pressure is located
Center of pressure lies below the centroid because for any plane surface, the factor I G A h ¯ is always positive.
Center of pressure lies below the centroid because for any plane surface, the factor I G A h ¯ is always positive.
See lessCappoletti weir is a
A Cipoletti weir is a Trapezoidal weir. Solution. It is a trapezoidal weir. The slopes of cipoletti weir are adjusted in such a way that , the reduction in discharge due to end contraction in the rectangular weir equals the increase in discharge due to triangular portion. tanΘ/2 = 1Θ/4 = 28o.
A Cipoletti weir is a Trapezoidal weir.
See lessSolution. It is a trapezoidal weir. The slopes of cipoletti weir are adjusted in such a way that , the reduction in discharge due to end contraction in the rectangular weir equals the increase in discharge due to triangular portion. tanΘ/2 = 1Θ/4 = 28o.
For the most economical trapezoidal section of a channel with regards to discharge, the required condition, is
Hence conditions for most economical trapezoidal section are: 1. b+2ny2=y√n2+1 (i.e. Half of top width = One of the sloping sides) 2. Hydraulic radius, R=y2 3. A semicircle drawn from O with radius equal to depth of flow will touch the three sides of the trapezoidal channel.
Hence conditions for most economical trapezoidal section are: 1. b+2ny2=y√n2+1 (i.e. Half of top width = One of the sloping sides) 2. Hydraulic radius, R=y2 3. A semicircle drawn from O with radius equal to depth of flow will touch the three sides of the trapezoidal channel.
See lessUniform flow is said to occur when
Uniform flow is said to occur when size and shape of the cross section in a particular length remains constant. The flow of a fluid in which each particle moves along its line of flow with constant speed and in which the cross-section of each stream tube remains unchanged is known as Uniform flow.
Uniform flow is said to occur when size and shape of the cross section in a particular length remains constant. The flow of a fluid in which each particle moves along its line of flow with constant speed and in which the cross-section of each stream tube remains unchanged is known as Uniform flow.
See lessIn levelling operation
Explanation: Levelling operation includes, the line commences with a backsight and closes with a foresight. The first staff reading taken after setting up of instrument is always a Backsight and last staff reading taken before changing the instrument to the other position is always a Foresight.
Explanation: Levelling operation includes, the line commences with a backsight and closes with a foresight. The first staff reading taken after setting up of instrument is always a Backsight and last staff reading taken before changing the instrument to the other position is always a Foresight.
See lessIf the angular measurements of a traverse are more precise than its linear measurements, balancing of the traverse, is done by
Transit Rule: The transit rule may be employed where angular measurements are more precise than linear measurements.
Transit Rule: The transit rule may be employed where angular measurements are more precise than linear measurements.
See lessThe branch of surveying in which both horizontal and vertical positions of a point, are determined by making instrumental observations, is known
Tacheometric is a branch of surveying in which horizontal and vertical distances are determined by taking angular observation with an instrument known as a tachometer.
Tacheometric is a branch of surveying in which horizontal and vertical distances are determined by taking angular observation with an instrument known as a tachometer.
See lessPantagraph is used for
Pantographs are used for reducing or enlarging engineering drawings and maps and for guiding cutting tools over complex paths.
Pantographs are used for reducing or enlarging engineering drawings and maps and for guiding cutting tools over complex paths.
See lessAn ideal transition curve is
Transition Curve: It is provided to avoid sudden reduction of radius and the sudden introduction of superelevation, extra widening, and Centrifugal force. As per IRC the ideal shape of a transition curve is clothoid or spiral.
Transition Curve: It is provided to avoid sudden reduction of radius and the sudden introduction of superelevation, extra widening, and Centrifugal force. As per IRC the ideal shape of a transition curve is clothoid or spiral.
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