What is vertical sag?

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asked Mar 11, 2018 by anonymous

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asked Mar 10, 2018 by anonymous

What is sag in power system?

Last answer: Sag is a catenary curve in between two points of supporters.and also we can say the lowest point of the conductor in between the two points of supporters.

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142 views 2 answers

asked May 8, 2018 by anonymous

The sag of a transmission line is least affected by

The sag of a transmission line is least affected by (A) Self weight of the conductor. (B) Temperature of the surrounding air. (C) Current through the conductor. (D) Ice deposited on the conductor.

Last answer: The sag of a transmission line is least affected by Current through the conductor.

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asked May 8, 2018 by anonymous

For a 66 kV line having span of 200 meters between towers the approximate sag will be 2 m. If the span is

For a 66 kV line having span of 200 meters between towers the approximate sag will be 2 m. If the span is double the sag will be: (A) 1 m (B) 2 m (C) 4m (D) 8m

Last answer: For a 66 kV line having span of 200 meters between towers the approximate sag will be 2 m. If the span is double the sag will be: 8m

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932 views 1 answer

asked Apr 28, 2018 by anonymous

The vertical deflection of an electron beam on the screen of a CRO is measured to be 8 mm. Now, the

The vertical deflection of an electron beam on the screen of a CRO is measured to be 8 mm. Now, the potential difference between the Y-plates is doubled, and simultaneously the pre-accelerating anode voltage is reduced to half of its previous value. Then, the vertical deflection of the beam on the screen would become (A) 64 mm (B) 32 mm (C) 8 mm (D) 1 mm

Last answer: The vertical deflection of an electron beam on the screen of a CRO is measured to be 8 mm. Now, the potential difference between the Y-plates is doubled, and simultaneously the pre-accelerating ... of its previous value. Then, the vertical deflection of the beam on the screen would become 32 mm

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85 views 1 answer

asked Apr 26, 2018 by anonymous

lf the wire which is vertical to this page has electron flow downwards the conductor will have

Last answer: lf the wire which is vertical to this page has electron flow downwards the conductor will have a counter-clockwise field in the plane of the paper

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144 views 1 answer

asked Sep 2, 2019 by anonymous

vertical and horizontal resolution in brief.

Last answer: Resolution: The scanning and reproduction of the finest details of the picture is known as resolution of TV system. Vertical Resolution: The ability of the scanning system to resolve picture details in vertical ... (N) that get scanned in one horizontal line are N = Na * Aspect Ratio *K

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60 views 1 answer

asked Aug 21, 2019 by anonymous

vertical deflection system and explain its operation.

Last answer: The main function of the vertical deflection system , is to provide an amplified signal of proper level to derive the vertical deflection plates without any distortion. For amplification of the ... suppression, reduced nonlinear effects because none of the plates are at ground potential.

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133 views 1 answer

asked Jul 24, 2019 by anonymous

Give the four advantages of vertical axis wind mills.

Last answer: Advantages of vertical axis wind mills: 1. Simple blade design 2. Low cost of fabrication. 3. No yaw controller required. 4. Easy maintenance because ground mounted generator and gear box.

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49 views 1 answer

asked Mar 22, 2018 by anonymous

On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be?

Last answer: On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be zero at its upper end.

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92 views 1 answer

asked Mar 22, 2018 by anonymous

On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be?

Last answer: On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be upwards at its upper end.

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126 views 1 answer

asked Mar 22, 2018 by anonymous

A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if?

Last answer: A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if the floor and wall both are smooth surfaces.

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2.6k views 1 answer

asked Mar 27, 2018 by anonymous

What is the sag for a span of 400m, if the ultimate tensile strength...

What is the sag for a span of 400m, if the ultimate tensile strength of conductor is 6000 kgf, and the weight of conductor is 550 kgf/km? Factor of safety is 2.

Last answer: 3.6 m is the sag for a span of 400m, if the ultimate tensile strength of conductor is 6000 kgf, and the weight of conductor is 550 kgf/km? Factor of safety is 2.

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Last answer: Protecting reactive metals from corrosion.

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What is a conveyor motor?

Last answer: Motors used to run conveyor belts.

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What is undercut defect in welding?

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What is the difference between an insulator and a dielectric?

Last answer: Dielectric is the another name for insulator.

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What is meant by resistance heating?

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What is meant by dielectric heating?

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What are the applications of electroplating?

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What are the industrial application of electrolysis?

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What are the different types of welding?

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What are the four basic welding positions?

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asked 5 days ago by anonymous

A bottle of sodalime is grasped by the neck and swung briskly in a vertical circle, Near which portion of the bottle do the bubbles collect? (1) Near the bottom (2) In the middle of the bottom (3) Near the neck (4) Bubbles remain distributed uniformly

Last answer: Near the neck

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3 views 1 answer

asked 6 days ago by anonymous

When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is (1) below a certain minimum value irrespective of amount of water in the pail (2) above a certain minimum value irrespective of amount of water in the pail (3) above a certain minimum value depending on amount of water in the pail (4) below a certain minimum value depending on amount of water in the pail

Last answer: above a certain minimum value irrespective of amount of water in the pail

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1 view 1 answer

asked 6 days ago by anonymous

The cause for the Tsunami, as deduced by the seismologists, is (1) gravitational pull of the moon (2) low pressure trough in the ocean (3) deformation of sea floor and vertical displacement of water (4) sudden change in the monsoon wind

Last answer: deformation of sea floor and vertical displacement of water

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asked Jan 17 by anonymous

Total fixed cost curve is (1) Vertical (2) Horizontal (3) Positively Sloping (4) Negatively sloping

Last answer: Horizontal

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asked Jan 14 by anonymous

The vertical movement of air is termed as (1) wind (2) air current (3) air turbulence (4) air mobility

Last answer: air current

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asked 4 days ago by anonymous

During the motion of a projectile fired from the earth surface, _______ (1) its kinetic energy remains constant (2) its momentum remains constant (3) vertical component of its velocity remains constant (4) horizontal component of its velocity remains constant

Last answer: horizontal component of its velocity remains constant

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2 views 1 answer

asked 4 days ago by anonymous

To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor (1) should be made of a good conductor but can be of any shape (2) should be in the form of a vertical rod (3) can be of any shape (4) should be made of a good conductor like copper with sharp-pointed edges

Last answer: should be made of a good conductor like copper with sharp-pointed edges

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asked 6 days ago by anonymous

An aircraft can perform aerobatic manoeuvres in a vertical loop because of (1) gravity (2) centripetal force (3) weight (4) centrifugal force

Last answer: gravity

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asked Jan 16 by anonymous

Which of the following will never get the vertical rays of the sun ? (1) Mumbai (2) Chennai (3) Thiruvanthapuram (4) Srinagar

Last answer: Srinagar

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asked Jan 12 by anonymous

Sketch Block diagram of vertical deflection system used in CRO.

Last answer: Block diagram of vertical deflection system used in CRO

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asked Jan 8 by anonymous

Explain horizontal and vertical communication.

Last answer: Horizontal communication Fig: Horizontal Communication in OSI Model. 1) The horizontal communication is the logical connection between the layers, there is no direct communication ... communication, it becomes protocol at each layer simultaneously. Fig:Vertical communication

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asked Dec 18, 2020 by anonymous

Differentiate between horizontal axis and vertical axis wind turbine.

Last answer: Differentiate between horizontal axis and vertical axis wind turbine.

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asked Dec 3, 2020 by anonymous

Explain with neat sketch variation of pressure in horizontal and vertical direction in static liquid.

Last answer: a) Pressure diagram for horizontal surface b)Pressure diagram for vertical surface

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asked Dec 2, 2020 by anonymous

Explain the rebound hammer test procedure and show the relationship between compressive strength and rebound number with hammer horizontal and vertical on dry and wet surface of concrete.

Last answer: Rebound Hammer Test: i. Initially the plunger of rebound hammer is Kept touching to the target concrete surface ii. Then the tubular casing of hammer is pushed towards concrete, so that the spring gets ... of concrete will be less, But if it is more, then concrete possess sufficient strength.

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asked Jul 9, 2020 by anonymous

Define following with respect to television: (i) Aspect ratio (ii) Vertical & Horizontal Resolution (iii) Interlace scanning (iv) Image continuity

Last answer: (i) Aspect ratio: The aspect ratio of an image describes the proportional relationship between its width and its height. The frame adopted in all television systems is rectangular with width/height ratio ... (mix) the changing levels of brightness in the scene. This is called as Image Continuity.

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28 views 1 answer

asked Jun 7, 2020 by anonymous

List any two advantages of vertical axis WPPs.

Last answer: Advantages of Vertical Axis WPPs: They can produce electricity in any wind direction. Low production cost as compared to horizontal axis wind turbine. Easy construction. Low maintenance ... weather conditions. Variable speed operation. Yaw and pitch control mechanism are not needed.

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21 views 1 answer

asked Sep 2, 2019 by anonymous

why equalizing pulses are needed. Draw the vertical synchronizing pulse structure.

Last answer: The ½ line difference just prior to the start of serrated vertical pulse does not affect the horizontal deflection synchronization but it does affect the vertical synchronization and the interlaced scanning. The ... the vertical sync pulse to occur at the correct time after every field.

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251 views 2 answers

asked Oct 13, 2018 by anonymous

Explain with neat diagram construction and working of Ajax Wyatt vertical core induction furnace.

Last answer: Neat sketch of Ajax Wyatt' vertical core furnace: Construction of Ajax Wyatt' vertical core furnace: Vertical core type induction heating furnace is nothing but transformer. It consists of ... is utilized to melt the charge. Where, R = Resistance of charge & I secondary current.

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7.1k views 1 answer

asked Apr 10, 2018 by anonymous

Horizontal axis and vertical axis are the types of

Horizontal axis and vertical axis are the types of (a) Nuclear Reactor (b) Wind Mills (c) Bio Gas Reactor (d) Solar Cell

Last answer: Horizontal axis and vertical axis are the types of Wind Mills

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78 views 1 answer

asked Apr 5, 2018 by anonymous

A Lissajous pattern on an oscilloscope has 5 horizontal tangencies and 2 vertical tangencies. The frequency of...

A Lissajous pattern on an oscilloscope has 5 horizontal tangencies and 2 vertical tangencies. The frequency of the horizontal input is 1000 Hz. What is the frequency of the vertical input? (A) 400 Hz (B) 5000 Hz (C) 4000 Hz (D) 2500 Hz

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304 views 0 answers

asked Jun 4, 2018 by anonymous

lumen / watt is the unit of:

lumen / watt is the unit of: A) light flux B) luminous intensity C) brightness D) luminous efficiency

Last answer: lumen / watt is the unit of: luminous efficiency

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63 views 1 answer

asked Jun 4, 2018 by anonymous

Which braking system on the locomotives is the costliest among the following?

Which braking system on the locomotives is the costliest among the following? A) Vacuum braking on diesel locomotives B) Vacuum braking on steam locomotives C) Regenerative braking on electric locomotives D) All braking systems are equally costly

Last answer: Which braking system on the locomotives is the costliest among the following? A) Vacuum braking on diesel locomotives B) Vacuum braking on steam locomotives C) Regenerative braking on electric locomotives D) All braking systems are equally costly

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61 views 1 answer

asked May 25, 2018 by anonymous

In practice generative breaking is used when

In practice generative breaking is used when (a) quick motor reversal is desired. (b) load has overhauling characteristic (c) controlling elevators, rolling mills etc. (d) none of these

Last answer: Controlling elevator , rolling mill because to stop motor some backward force required

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69 views 1 answer

asked May 22, 2018 by anonymous

Power-factor of industrial arc and induction furnace is:

Last answer: Power-factor of industrial arc and induction furnace is: very low lagging

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248 views 1 answer

asked May 20, 2018 by anonymous

For induction heating, which of the following is abnormally high?

For induction heating, which of the following is abnormally high? A)Voltage B) Current C) Frequency D) Phase angle

Last answer: For induction heating, which of the following is abnormally high? A)Voltage B) Current C) Frequency D) Phase angle

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181 views 1 answer

asked May 20, 2018 by anonymous

Dielectric heating is used for heating

Dielectric heating is used for heating A) Wood B)Aluminium C) Magnetic steel D) Copper

Last answer: Dielectric heating is used for heating Wood

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64 views 1 answer

What is vertical sag?

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