What is meant by Sag?

What is meant by Sag?
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1 Answer

Answer :

The difference in level between points of supports and the lowest point on the conductor is called sag.
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If the above tape weights 0.001 kg/ft, sag is a.2.73 ft b.3.13 ft c.2.90 ft d.3.03 ft e.107 dynes

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The sag in a tape 100 ft long held between two supports 99.8 ft aprat at the same level is a.3.32 ft b.0.98 ft c.2.73 ft d.1.87 ft e.107 dynes

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If span is 150 mts and sag is 10 ft of a cable carrying a load of 3200 kg per horizontal metre then tension of ends is a.104,000 kg b.107 dynes c.1200,000 kg d.932,000 kg e.584,000 kg

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When Ontario Hydro workers set up electrical cables during the summer they allow the cables to sag. Suggest a reason for this. In your answer refer to the particle theory?

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Last Answer : i know someones going to be on this sooooooooo....... they sag because the hydro workers know, from the heat the cbles will sag during the summer, so they start the sag so they cant sag anymore

Will heavy drop earrings really make my ear holes sag like my Mom says?

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will this sag overtime?

Description : will this sag overtime?

Last Answer : This mount is designed for long life in a professional environment,such as boardrooms.

The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called A. Inverted syphon B. Depressed sewer C. Sag pipe D. all of these

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The maximum V belt sag when applying finger pressure is a) 10 mm b) 12 mm c) 15 mm d) 17 mm

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Last Answer : c) 15 mm

A pressure conduit carrying water beneath a stream or a canal, is known as (A) Sag (B) Depressed pipe (C) Inverted syphon (D) All the above

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Last Answer : (D) All the above 

The sag of 50 m tape weighing 4 kg under 5 kg tension is roughly (A) 0.043 m (B) 0.053 m (C) 0.063 m (D) 0.083 m

Description : The sag of 50 m tape weighing 4 kg under 5 kg tension is roughly  (A) 0.043 m  (B) 0.053 m  (C) 0.063 m  (D) 0.083 m 

Last Answer : (D) 0.083 m 

A tape of length and weight kg/m is suspended at its ends with a pull of kg, the sag correction is (A) l3W²/24P² (B) l²W3 /24P² (C) l²W²/24P 3 (D) lW²/24P

Description : A tape of length and weight kg/m is suspended at its ends with a pull of kg, the sag  correction is  (A) l3W²/24P² (B) l²W3 /24P² (C) l²W²/24P 3 (D) lW²/24P

Last Answer : (A) l3W²/24P²

Which one of the following mistakes/errors may be cumulative + or - : (A) Bad ranging (B) Bad straightening (C) Erroneous length of chain (D) Sag

Description : Which one of the following mistakes/errors may be cumulative + or - :  (A) Bad ranging  (B) Bad straightening  (C) Erroneous length of chain  (D) Sag

Last Answer : (C) Erroneous length of chain

If is the pull applied at the ends of tape in kg, is the length of tape between end marks in metres, is the weight of the tape in kg per metre run, then sag correction (A) C = w²l3 /24F² (B) C = w 3 l²/24F² (C) C = w²l3 /24F3 (D) C = 24w²l3 /80F

Description : If is the pull applied at the ends of tape in kg, is the length of tape between end marks in metres, is the weight of the tape in kg per metre run, then sag correction (A) C = w²l3 /24F² (B) C = w 3 l²/24F² (C) C = w²l3 /24F3 (D) C = 24w²l3 /80F

Last Answer : (A) C = w²l3 /24F²

In precision theodolite traverse if included angles are read twice and the mean reading accepted using both verniers having a least count of 30". Assuming the instrument to be in perfect adjustment, linear measurements correct to 6 mm per 30 metre tape duly corrected for temperature, slope and sag, the angular error of closure not to exceed (where n is the number of traverse legs) (A) 50" n(B) 30" n(C) 60" n (D) None of these

Description : In precision theodolite traverse if included angles are read twice and the mean reading accepted using both verniers having a least count of 30". Assuming the instrument to be in perfect adjustment, linear measurements correct to 6 mm per ... legs) (A) 50" n (B) 30" n (C) 60" n (D) None of these

Last Answer : (A) 50" n

Pick up the incorrect statement from the following: (A) While measuring a distance with a tape of length 100.005 m, the distance to be increasing by 0.005 m for each tape length (B) An increase in temperature causes a tape to increase in length and the measured distance is too large (C) The straight distance between end points of a suspended tape is reduced by an amount called the sag correction (D) A 100 m tape of cross section 10 mm × 0.25 mm stretches about 10 mm under 5 kg pull

Description : Pick up the incorrect statement from the following: (A) While measuring a distance with a tape of length 100.005 m, the distance to be increasing by 0.005 m for each tape length (B) An increase in ... ) A 100 m tape of cross section 10 mm 0.25 mm stretches about 10 mm under 5 kg pull

Last Answer : (B) An increase in temperature causes a tape to increase in length and the measured distance is too large