What do you understand by catenary cable ?

1 Answer

Answer :

A cable attached to the supports and carrying its own weight.

Related questions

Description : The shape of a suspended cable under its own weight is a.Catenary b.Elliptical c.Cycloidal d.Semi-circle e.Parabolic

Last Answer : a. Catenary

Description : The curve of a catenary by nature is a.hyperbolic b.ellipse c.107 dynes d.circular e.parabolic

Last Answer : e. parabolic

Description : If a constant section beam is subjected to a uniform bending moment throughout, its length bends  to  (A) A circular arc  (B) A parabolic arc  (C) A catenary  (D) None of these 

Last Answer : (A) A circular arc 

Description : A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve (A) Catenary (B) Parabola (C) Hyperbola (D) Elliptical

Last Answer : (B) Parabola

Description : A conductor, due to sag between two supports, takes the form of (a) semi-circle (b) triangle (c) ellipse (d) catenary

Last Answer : (d) catenary

Description : Give protection scheme used for 25kV catenary protection for AC traction.

Last Answer : Protection Scheme Used for 25kV Catenary Protection for AC Traction: As shown in the figure below the scheme consists of 1) MHO relay that makes use of the impedance phase angle to get proper ... adjustment. 2) Over current relay. 3) Under voltage relay for low voltage protection.

Description : State any four relays used for catenary protection. State function of each relay.

Last Answer : Relays Used for Catenary Protection: 1. MHO relay: Wrong coupling protection. 2. MHO relay: Over current protection at farthest point. 3. Over current relay: Over current protection against faults near substation 4. Under voltage relay: Protection against faults far away from substation. 

Description : _____ is area of engineering and science which understand the different principles, structure andprogramming of robot a.Mechatronics b.Robotics c.Aeronautics d.None of the above

Last Answer : b.Robotics

Description : What do you understand by latent heat ? Give four examples of latent heats.

Last Answer : For pure substances, the heat effects accompanying changes in state at constant pressure (no temperature change being evident) are known as latent heats. Examples of latent heats are : heat of fusion, vaporisation, sublimation, and change in crystal form.

Description : What do you understand by sulphur print ?

Last Answer : Sulphides, when attached with dilute acid, evolve hydrogen sulphide gas which stains bromide paper and therefore can be readily detected in ordinary steels and cast irons. While sulphur is not always as ... , a sulphur print is a ready guide to the distribution of segregated impurities in general.

Description : What do you understand by critical points in iron, iron-carbide diagram ?

Last Answer : The temperatures at which the phase changes occur are called critical points (or tem¬peratures).

Description : What do you understand by fuel cycle in nuclear plants ?

Last Answer : Fuel cycle a series of sequential steps involved in supplying fuel to a nuclear power reactor. The steps include : Mining, refining uranium, fabrication of fuel elements, their use in nuclear ... re-enrichment of fuel from recovered material, refabrication of new fuel elements, waste storage etc.

Description : What do you understand by timed cylinder lubrication ?

Last Answer : For effective lubrication, lub oil needs to be injected between two piston rings when piston is at bottom of stroke so that piston rides in oi during upward movement. This way lot of lub oil can be saved and used properly.

Description : I Understand Lubrication Is Essential, But What Is Its Main Role?

Last Answer : Lubricant is used to establish and maintain a micro-thick separating film between rotating and static parts, so that the bearing can perform well, have long life, and keep from being damaged.

Description : A critical feature of _______ is to understand what drives energy consumption. a) M&Y b) M&T c) T&M. d) C&V

Last Answer : m & t

Description : A horizontal load of 120 kg/mt is to be carried by a cable suspended between supports at same level and 60 mts apart. If the maximum permissible tension is 36,000 kg the required length of cable is a.63.3 mets b.62.5 mts c.60.8 mts d.107 dynes e.60.1 mts

Last Answer : e. 60.1 mts

Description : 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

Last Answer : d. 932,000 kg

Description : A cable is supported at A and B, in which B is higher than A. The tension in the cable will be maximum at a.A b.A and B c.C d.B e.107 dynes

Last Answer : d. B