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(Self explanatory)
The metacentre remains directly above the centre of buoyancy regardless of the tilt of a floating body over the fluid such as a ship.

The most common DAC structure is the R-2R resistor ladder network
It uses only two different values of resistors in the ratio of 2 : 1 .
An N-bit DAC using R-2R requires 2 N resistors to formulate.

The loading at which the inductive and capacitive reactive VA are equal and opposite, is called surge impedance loading (SIL) i.e. the loading is resistive.
This SIL is also called as natural load of the transmission line as power is not dissipated during transmission. SIL is the ideal power transfer.

SIL is thus the maximum load which can be transferred . Therefore the rated load of UG cable is less than natural load (SIL).

Monostable multivibrator is used to generate gating pulses whose width can be controlled. ( monostable multivibrator is used as pulse stretcher)

Schmitt trigger is used to generate a square pulse from sine input

Insulation resistance of HV circuit breaker is more than 100 M?

The purpose of shunt resistor is to divert the high current from flowing into the ammeter winding . Thus a low resistance shunt is used to increase the range of an ammeter which protects the highly sensitive ammeter winding from high values of current.

Standard wire gauge sizes.

Minimum Bend Radius = Cable Multiplier x Cable Outer Diameter

For single conductor cables with shielding, above 1 kV , Minimum Bend Radius is 12 times (cable multiplier) the overall cable diameter.
For single or multiple conductor cables without shielding, above 1 kV , Minimum Bend Radius is 8 times the overall cable diameter.

from options the correct answer is 12 D

Yield is the volume of water which can be withdrawn from a reservoir in a specified period of time.
Water supply reservoir is designed for drinking water purposes and a higher yield can reduce the time of distribution.
The yield whose value is smaller than the safe or guaranteed yield is known as design yield.
In the case of reservoirs used for irrigation purposes, the design yield may be taken slightly more than the safe yield as crops can tolerate some deficiency of water during the dry season.

For a DC motor , the voltage and speed are directly proportional. Thus a smoother voltage waveform implies a low ripple waveform obtained at high speeds.

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