A wire gets stretched by 4mm due to a certain load. If the same load is applied to a wire of same material

A wire gets stretched by 4mm due to a certain load. If the same load is applied to a wire of same material
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A wire gets stretched by 4mm due to a certain load. If the same load is applied to a wire of ... first wire. What will be the change in its length?
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Four wires of the same material and dimensions as under are stretched by a load of same magnitude separately. Which of them will be elongated maximum? (a) wire of 3m length and 1.5 mm diameter (b) wire of 1m length and 2mm diameter (c) wire of 2m length and 2mm diameter (d) wire of 1m length and 1mm diameter

Description : Four wires of the same material and dimensions as under are stretched by a load of same magnitude separately. Which of them will be elongated maximum? (a) wire of 3m length and 1.5 mm diameter (b) ... and 2mm diameter (c) wire of 2m length and 2mm diameter (d) wire of 1m length and 1mm diameter

Last Answer : Ans:(a)

A wire of resistance `4 Omega` is stretched to twice its original length. In the process of stretching, its area of cross-section gets halved. Now, th

Description : A wire of resistance `4 Omega` is stretched to twice its original length. In the process of stretching, its area of cross-section gets halved. Now, th

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A telephone wire 125m long and 1mm in radius is stretched to a length 125.25m when a force of 800N is applied.

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A rubber band originally 30cm long is stretched to a length of 32cm by certain load. What is the strain produced?

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The length of a wire is increased by 1 mm on the application of a certain load. In a wire of the same material but of twice the length and half the radius, the same force will produce an elongation of (a) 0.5 mm (b) 2 mm (c) 4 mm (d) 8 mm

Description : The length of a wire is increased by 1 mm on the application of a certain load. In a wire of the same material but of twice the length and half the radius, the same force will produce an elongation of (a) 0.5 mm (b) 2 mm (c) 4 mm (d) 8 mm

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Strain energy of a stretched wire is 18 × 10^-3 J and strain energy per unit volume of the same wire

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A seamless cylinder of storage capacity of 0.03mᵌis subjected to an internal pressure of 21MPa. The ultimate strength of material of cylinder is 350N/mm².Determine the thickness of the cylinder if it is twice the diameter of the cylinder. a) 12mm b) 4mm c) 8mm d) 16mm

Description : A seamless cylinder of storage capacity of 0.03mᵌis subjected to an internal pressure of 21MPa. The ultimate strength of material of cylinder is 350N/mm².Determine the thickness of the cylinder if it is twice the diameter of the cylinder. a) 12mm b) 4mm c) 8mm d) 16mm

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Material used for construction of transformer core is usually A. 0.4mm to 0.5 mm B. 4mm to 5 mm C. 14mm to 15 mm D. 25mm to 40 mm

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What is the spring constant when it is stretched 1.5 meters when a force of 60 N is applied to it?

Description : What is the spring constant when it is stretched 1.5 meters when a force of 60 N is applied to it?

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A steel wire having cross sectional area 1.2 mm is stretched by a force of 120 N.

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A wire of resistance `48 Omega` is uniformly stretched until its new length becomes 4 times the original length. Find its new resistance.

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A cylindrical wire is stretched to increase its length by 10%. Calculate the percentage increase in resistance.

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A metallic wire of length 1 m is stretched to duble its length. Calculate the ratio of its initial and final resistances assuming that there is no cha

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A wire of resistance `4 Omega` is stretched to twice its original length. The resistance of stretched wire would be

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If a wire is stretched to four times its length, then the specific resistance of the wire will

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A metal wire of circular cross-section has a resistance `R_(1)`. The wire is now stretched without breaking, so that its length is doubled and the den

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How t has strings made of metal wire plastic or gut that are stretched across the bottom of the instrument?

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Compute the maximum shearing stress developed in a phosphor bronze spring having mean diameter of 200 mm and consisting of 24 turns of 20-mm diameter wire when the spring is stretched 100 mm. and G = 42 GPa. a. 51 MPa b. 31.89 MPa c. 80 MPa d. 70 MPa

Description : Compute the maximum shearing stress developed in a phosphor bronze spring having mean diameter of 200 mm and consisting of 24 turns of 20-mm diameter wire when the spring is stretched 100 mm. and G = 42 GPa. a. 51 MPa b. 31.89 MPa c. 80 MPa d. 70 MPa

Last Answer : b. 31.89 MPa

When a wire is stretched to double in length, the longitudinal strain produced in it is (a) 0.5 (b) 1.0 (c) 1.5 (d) 2.0

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Resistance of a wire is r ohms. The wire is stretched to double its length, then its resistance in ohms is

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Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of (A) 1 : 1 (B) 1 : 2 (C) 2 : 1 (D) 1 : 4

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Find total number coils in a spring having square and ground ends. Deflection in the spring is 6mm when load of 1100N is applied. Modulus of rigidity is 81370N/mm². Wire diameter and pitch circle diameter are 10mm and 50mm respectively. a) 7 b) 6 c) 5 d) 4

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Find the shear stress in the spring wire used to design a helical compression sprig if a load of 1200N is applied on the spring. Spring index is 6, and wire diameter 7mm. a) 452.2N/mm² b) 468.6N/mm² c) 512.2N/mm² d) None of the listed

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When two concentric springs are made of same material, having same free length and compressed equally by axial load, then the load shared by each spring is proportional to (A) Spring index of each spring (B) Wire diameter of each spring (C) Mean coil diameter of each spring (D) Square of wire diameter of each spring

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The close-coiled helical springs ‘A’ and ‘B’ are of same material, same coil diameter, same wire diameter and subjected to same load. If the number of turns of spring ‘A’ is half that of spring ‘B’, the ratio of deflection of spring ‘A’ to spring ‘B’ is (a)1/2 (b) 1 (c) 2 (d) 4

Description : The close-coiled helical springs ‘A’ and ‘B’ are of same material, same coil diameter, same wire diameter and subjected to same load. If the number of turns of spring ‘A’ is half that of spring ‘B’, the ratio of deflection of spring ‘A’ to spring ‘B’ is (a)1/2 (b) 1 (c) 2 (d) 4

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What is a 4mm brain tumor considered extra small or small or medium or large in size for a tumor?

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What is the area of a circle with a radius of 4mm use 3.14 for pi?

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If shaft diameter is 30mm and number of pins emplaced are 6, then the diameter of the pin will be? a) 6.4mm b) 5.6mm c) 6.1mm d) 5.9mm

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The diameter of bars used for distribution reinforcement in slabs, may vary from (a) 2 to 4mm (b) 4 to 6mm (c) 6mm to 8mm (d) 8 to 12mm

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The diameter of bars for main reinforcement in slabs, may be (a) 2 to 4mm (b) 4 to 8mm (c) 8 to 14mm (d) 14 to 18mm

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When restoring weakened cusps with dental amalgam you should consider: A. 2mm reduction while forming a flattened surface B. 2mm reduction while following the original contour of the cusps C. 4mm reduction while forming a flattened surface D. 4mm reduction while following the original contour of the surface

Description : When restoring weakened cusps with dental amalgam you should consider: A. 2mm reduction while forming a flattened surface B. 2mm reduction while following the original contour of the cusps C ... forming a flattened surface D. 4mm reduction while following the original contour of the surface

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Jaw relation of an edentulous patient has been established. The maxillary cast has been mounted on an articulator without a face bow. You decide to increase the occlusal vertical dimension by 4mm this will necessitate, A. Opening the articulator 4mm B. A new centric relation to be recorded C. A change in the condylar guide settings D. An increase in the rest vertical dimension

Description : Jaw relation of an edentulous patient has been established. The maxillary cast has been mounted on an articulator without a face bow. You decide to increase the occlusal vertical dimension by 4mm this ... C. A change in the condylar guide settings D. An increase in the rest vertical dimension

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A concentric spring consists of 2 sprigs of diameter 10mm and 4mm. The net force acting on the composite spring is 5000N. Find the force acting on each of the two springs. (a) 1232.2N and 3767.8N (b) 786.4N and 4213.6N (c) 689.7N and 4310.3N (d) 645.3N and 4354.7N

Description : A concentric spring consists of 2 sprigs of diameter 10mm and 4mm. The net force acting on the composite spring is 5000N. Find the force acting on each of the two springs. (a) 1232.2N and 3767.8N (b) 786.4N and 4213.6N (c) 689.7N and 4310.3N (d) 645.3N and 4354.7N

Last Answer : (c) 689.7N and 4310.3N

As per IRCA rules, the rejection limits for wheel flange thickness is - (a) 38mm (b) 25.4mm (c) 16mm* (d) 20 mm

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A journal bearing with hydrodynamic lubrication is running steadily with a certain amount of minimum film thickness. When the load and speed are doubled, how does the minimum film thickness vary? [IES-2008] (a) Remains unchanged (b) Gets doubled (c) Gets reduced to one-fourth of original value (d) Gets reduced to half of original value

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A straight rod of mass m and lenth `L` is suspended from the identical spring as shown in the figure The spring stretched by a distance of `x_(0)` due

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The springs A and B are identical except that A is stiffer than B, that is KA > kB. If both the springs are stretched by the same amount a.more work will be expended on A than B b.same work will be expended in both springs. c.less work will be expended on A than B d.107 dynes e.

Description : The springs A and B are identical except that A is stiffer than B, that is KA > kB. If both the springs are stretched by the same amount a.more work will be expended on A than B b.same work will be expended in both springs. c.less work will be expended on A than B d.107 dynes e.

Last Answer : a. more work will be expended on A than B

If extension in spring is proportional to load applied, then material obeys A. Newton's law B. gravitational law C. Charles's law D. Hooke's law

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At ‘yield point’ of a copper wire A. the load hasn't exceeded the elastic limit yet; so, Hooke's law applies B. the load has already exceeded the elastic limit and the material has become plastic C. even the plastic stage has passed and the wire has snapped already D. Like Brass and Bronze, Copper has no yield poin

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Last Answer : the load has already exceeded the elastic limit and the material has become plastic

A closely coiled helical spring of radius R, contains n turns and is subjected to an axial load W. If the radius of the coil wire is r and modulus of rigidity of the coil material is C, the deflection of the coil is (A) WR3n/Cr4 (B) 2WR3n/Cr4 (C) 3WR3n/Cr4 (D) 4WR3n/Cr

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Last Answer : (D) 4WR3n/Cr

When a certain length of wire is turned into one circular loop, the magnetic induction at the centre of coil due to some current flowing is `B_(1)` If

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A split-phase induction squirrel-cage motor will not come up to speed, even though the rated voltage, rated frequency, and rated load are applied. The suspected trouble could be due to _____________. A. a faulty centrifugal switch B. broken rotor bars C. worn bearings D. all of the above

Description : A split-phase induction squirrel-cage motor will not come up to speed, even though the rated voltage, rated frequency, and rated load are applied. The suspected trouble could be due to _____________. A. a faulty centrifugal switch B. broken rotor bars C. worn bearings D. all of the above

Last Answer : Answer: D

Stress under suddenly applied load is (a) Three times than the gradually applied load (b) equal to the that due to gradually applied load (c) Less than that due to gradually applied load (d) none

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Last Answer : (d) none

Which of the following is most likely to be a response to the auditor's assessment that the risk of material misstatement due to fraud for the existence of inventory is high? a. Observe test counts of inventory at certain locations on an unannounced basis. b. Perform analytical procedures rather than taking test counts. c. Request that inventories be counted prior to year end. d. Request that inventory counts at the various locations be counted on different dates so as to allow the same auditor to be present at every count

Description : Which of the following is most likely to be a response to the auditor's assessment that the risk of material misstatement due to fraud for the existence of inventory is high? a. Observe test counts ... be counted on different dates so as to allow the same auditor to be present at every count

Last Answer : Observe test counts of inventory at certain locations on an unannounced basis.

Stress concentration is caused due to A. Variation in properties of material from point to point in a member B. Pitting at points or areas at which loads on a member are applied C. Abrupt change of section D. All of the above

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Last Answer : D. All of the above

How can I be more accepting of people who have stretched ears?

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Last Answer : You could watch plenty of Star Trek episodes. I’m not kidding. Once exposed to dozens of weird humanoid races, certain variations of the looks of Earth’s human beings will be seen as rather minor. This will change your attitude.

Grow old and look old or(finance allowing)have surgery and risk looking like a stretched polythene bag?

Description : Grow old and look old or(finance allowing)have surgery and risk looking like a stretched polythene bag?

Last Answer : I’m okay with aging. My mother has aged beautifully. But, at the same time, she’s a bigger woman and they say the more plump you are the healthier you look as you age aka skinny old people look like skeletons. So, I’ll probably have to gain some weight when I’m older haha.

Why is rubber stretched long ?

Description : Why is rubber stretched long ?

Last Answer : Rubber is made up of polymer molecules. That is, the molecules join one another and form a long chain. The chains are rolled up in normal condition. Then they are compressed. When the two ends ... to wipe pencil stains is small. When the pressure is removed, it returns to its previous shape]

heat In application Most More Stretched Is Which one ?

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