1 Answer

Answer :

60 m is the maximum span upto which the wooden poles can be used.

Related questions

Last Answer : To prevent the decaying owing to snow and rain, the wooden poles are protected by Aluminium, Zinc, Cement cap at the top. 

Description : Distribution lines in India generally use (a) wooden poles (b) R.C.C. poles (c) steel towers (d) none of the above

Last Answer : (b) R.C.C. poles

Description : The wooden poles well impregnated with creosite oil or any preservative compound have life (a) from 2 to 5 years (b) 10 to 15 years (c) 25 to 30 years (d) 60 to 70 years

Last Answer : (c) 25 to 30 years

Description : Distribution lines in India generally use (a) wooden poles (b) R.C.C. poles (c) steel towers (d) none of the above

Last Answer : (b) R.C.C. poles

Description : Rail Cluster, as temporary arrangement can be used upto a span of a) 3.66m* b) 6.1m c) 12.2m d) 18.3 m

Last Answer : a) 3.66m*

Description : A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20  meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span  (A) 2.5 cm  (B) 3.0 cm  (C) 4.0 cm  (D) 5.0 cm 

Last Answer : (C) 4.0 cm

Description : What is the maximum period upto which a proclamation issued by the President under Article 356 of the Constitution and approved/extended by the Parliament may, normally, remain in force? (1) Six months (2) One year (3) Two years (4) Unit is repealed by the Parliament

Last Answer : (2) One year Explanation: President's rule is enabled by Article 356 of the Constitution of India, which gives authority to impose central rule if there has been failure of the constitutional machinery ... it can be done by a constitutional amendment, as has happened in Punjab and Jammu and Kashmir.

Description : What is the maximum value of deforming force upto which a material shows elastic property and above which the material loses it? (1) Elasticity (2) Strain (3) Elastic Limit (4) Stress

Last Answer : (3) Elastic Limit Explanation: The Maximum Extent to which a solid may be stretched without permanent alteration of size or shape.

Description : The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is A. 20 m B. 30 m C. 45 m D. 75 m

Last Answer : ANS: C

Description : Most of the plastics are safe to be used upto a maximum temperature of __________ °C. (A) 100 (B) 150 (C) 350 (D) 450

Last Answer : (B) 150

Description : Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of __________ percent of U-235 (i.e. fissile material). (A) 15 (B) 45 (C) 65 (D) 85

Last Answer : (D) 85

Description : Actual operating speed of a ball mill may vary from 65 to 80% of the critical speed. Which of the following duties would require the ball mill to be operated at maximum percentage of critical speed? (A) ... of large particles (upto 1.25 cms) (D) Dry grinding of large particles in un-baffed mills

Last Answer : (D) Dry grinding of large particles in un-baffed mills

Description : Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making (A) Nuts (B) Bolts (C) Chisels

Last Answer : (C) Chisels

Description : In case of loss or damage of the parcel, compensation is paid upto a maximum in EPP is a) 100/- b) 500/- c) 200/- d) 1000/

Last Answer : b) 500/

Description : While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. (A) 2000 (B) 3000 (C) 4500 (D) 6000

Last Answer : (C) 4500

Description : Height of coke oven is limited (say maximum upto 7 metres) mainly by the (A) Problem of uniform heating along its height (B) Structural strength of silica bricks (C) Problem in door cleaning (D) Buckling of ram of pusher car at the time of coke pushing

Last Answer : (A) Problem of uniform heating along its height

Description : The maximum delivery pressure of compressors can be upto __________ atmospheres. (A) 10 (B) 100 (C) 250 (D) 1000

Last Answer : (D) 1000

Description : Pickup the incorrect statement from the following:  (A) The invert of pressure conduit is independent of the grade of the hydraulic gradient line  (B) The pressure conduits may be taken uphill ... m  (C) Aqueducts and tunnels sections are generally kept circular  (D) None of these 

Last Answer : (D) None of these 

Description : The maximum dry density upto which any soil can be compacted depends upon (A) Moisture content only (B) Amount of compaction energy only (C) Both moisture content and amount of compaction energy (D) None of the above

Last Answer : (C) Both moisture content and amount of compaction energy

Description : Upto a maximum of 72% of iron, is available in (A) Magnetite (B) Limonite (C) Siderite (D) Iron pyrites

Last Answer : Answer: Option A

Description : Speed restrictions is suggested for distressed bridges on Group II a) upto maximum of 15 kmph b) 25 kmph to 50 kmph* c) 75 kmph d) 60 kmph

Last Answer : b) 25 kmph to 50 kmph*

Description : Speed restrictions is suggested for distressed bridges on Group I a) upto maximum of 15 kmph* b) 25 kmph c) 50 kmph

Last Answer : a) upto maximum of 15 kmph*

Description : Consider a system with twelve magnetic tape drives and three processes P1, P2 and P3. Process P1 requires maximum ten tape drives, process P2 may need as many as four tape drives and P3 may need upto nine ... , system is in: (A) safe state (B) unsafe state (C) deadlocked state (D) starvation state

Last Answer : Answer: B

Description : The weight of an object at the poles is greater than at the equator. This is because (a) Of the shape of the earth (b) The attraction of the moon is maximum at the earth’s surface (c) The attraction of the sun is maximum at the earth’s surface (d) Gravitational pull is more at the poles

Last Answer : Ans:(d)

Description : A body weighs slightly more at the poles than at the equator because (a) the earth is flat at the poles. (b) the earth has the maximum speed of rotation at the equator (c) the attractive force at the poles increases due to the ice cap (d) none of these is a complete explanation

Last Answer : Ans:(d)

Description : The weight of a body is 1. same everywhere on the surface of the earth 2. maximum at the poles 3. maximum at the equator 4. less on the hills than in the plains Which of the above statements is/are correct? (a) 1 only (b) 2 and 4 (c) 3 and 4 (d) None

Last Answer : Ans:(b)

Description : Intensity of gravitational field of earth is maximum at – (1) Poles (2) Equator (3) Centre of earth (4) Surface

Last Answer : (1) Poles Explanation: perfect sphere of spherically uniform density (density varies solely with distance from centre) would produce a gravitational field of uniform magnitude at all points on ... are consequently slight deviations in both the magnitude and direction of gravity across its surface.

Description : Pick up the correct statement from the following: (A) The tides at any place occur a little less than 1 hour later, each succeeding day (B) The influence of the earth's gravity alone produces level-tidal ... ) The spinning force is maximum at the equator and zero at the poles (D) All of the above

Last Answer : (D) All of the above

Description : Intensity of gravitational field of earth is maximum at (1) Poles (2) Equator (3) Centre of earth (4) Surface

Last Answer : Poles

Description : If a wooden box of dimensions 8 m x 7 m x 6 m is to carry boxes of dimensions 8 cm x 7 cm x 6 cm, then find the maximum number of boxes that can be carried in the wooden box. -Maths 9th

Last Answer : Volume of wooden box = 800 cm × 700 cm × 600 cm Volume of box = 8 cm × 7 cm × 6 cm ∴ Number of boxes = volume of wooden box / volume of each box = 800 cm × 700 cm × 600 cm / 8 cm × 7 cm × 6 cm = 1000000

Description : If a wooden box of dimensions 8 m x 7 m x 6 m is to carry boxes of dimensions 8 cm x 7 cm x 6 cm, then find the maximum number of boxes that can be carried in the wooden box. -Maths 9th

Last Answer : Volume of wooden box = 800 cm × 700 cm × 600 cm Volume of box = 8 cm × 7 cm × 6 cm ∴ Number of boxes = volume of wooden box / volume of each box = 800 cm × 700 cm × 600 cm / 8 cm × 7 cm × 6 cm = 1000000

Description : From a wooden cylindrical block, whose diameter is equal to its height, a sphere of maximum possible volume is carved out. -Maths 9th

Last Answer : answer:

Description : A rectangular log of wood is floating in water with a load of 100 N at its centre. The maximum shear force in the wooden log is (A) 50 N at each end (B) 50 N at the centre (C) 100 N at the centre (D) None of these

Last Answer : (C) 100 N at the centre

Description : The width b and depth d of a beam cut from a wooden cylindrical log of 100 cm diameter for  maximum strength are:  (A) b = 57.73 cm d = 81.65 cm  (B) b = 81.65 cm d = 57.73 cm  (C) b = 50.00 cm d = 50.00 cm  (D) b = 40.00 cm d = 80.00 cm 

Last Answer : (A) b = 57.73 cm d = 81.65 cm 

Description : If a ferromagnetic material is heated upto Curie temperature, it becomes (a) Permanent magnet (b) Anti-ferromagnetic material (c) Diamagnetic material (d) Paramagnetic material 

Last Answer : Paramagnetic material

Description : To measure insulation resistance of equipments of voltage rating upto 440 V the megger generator must generate   (a) 220 V (b) 440 V (c) 500 V (d) None of these 

Last Answer : 500 V

Description : Why poles of dc machine are laminated?

Last Answer : Poles of DC machines are laminated to reduce the eddy current losses in the poles.

Description : State the function of following parts of DC motor : i) Yoke ii) Poles iii) Field winding iv) Commutator. 

Last Answer : Function : i) Yoke: The yoke serves the following two purposes. i) It supports the other components such as poles and provides mechanical protection for whole machine. ii) It forms a part of ... one pole to another and thus to help the motor to develop a continuous and unidirectional torque  

Description : What is the frequency of an alternator which has 2 poles and makes 3600 revolutions per minute? A) 3600 HZ B) 60 Hz C) 120 Hz D) None of these

Last Answer : What is the frequency of an alternator which has 2 poles and makes 3600 revolutions per minute? A) 3600 HZ B) 60 Hz C) 120 Hz D) None of these

Description : A permanent magnet stepper motor with 8 poles in stator and 6 poles in rotor will have a step angle of (a) 7.5° (b) 15° (c) 30° (d) 60°

Last Answer : d

Description : A system has 14 poles and 2 zeros in its open -loop transfer function. The slope of its highest frequency asymptote in its magnitude plot is (a) - 40 dB/dec (b) - 240 dB/dec (c) + 40 dB/dec (d) + 240 dB/dec

Last Answer : A system has 14 poles and 2 zeros in its open -loop transfer function. The slope of its highest frequency asymptote in its magnitude plot is (a) - 40 dB/dec (b) - 240 dB/dec (c) + 40 dB/dec (d) + 240 dB/dec

Description : When the north poles of two bar magnets are brought close together, there will be: A. no force B. a downward force C. a force of attraction D. a force of repulsion

Last Answer : When the north poles of two bar magnets are brought close together, there will be: a force of repulsion

Description : A 50 Hz, 3—phase induction motor has a full load speed of 1440 rpm. The number of poles of the motor is:   (A)4 (8)6 (0)12  (D)8

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Last Answer : Inter-poles are used in both lap and wave wound machines.

Last Answer : For 130 kV voltage is the H-type of poles used.

Description : Which WBC has maximum life span `:-`

Last Answer : Which WBC has maximum life span `:-` A. Basophil B. Moncyte C. Acidophil D. Neutrophil

Description : Which among the following has the maximum life span - (1) Eagle (2) Tortoise (3) Tiger (4) Elephant

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Description : The ratio of the length and diameter of a simply supported uniform circular beam which  experiences maximum bending stress equal to tensile stress due to same load at its mid span, is  (A) 1/8  (B) 1/4  (C) 1/2  (D) 1/3 

Last Answer : (C) 1/2 

Description : A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a  load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending  strain energy stored in the ... (A) 411 N mm  (B) 511 N mm  (C) 611 N mm  (D) 711 N mm 

Last Answer : (C) 611 N mm