Q2:  Is the force of static friction constant as the incline rises? Explain your answer.

Q: A cone clutch is mounted on a shaft which transmits power at 200 rpm. The small diameter of the cone…

A:

Q: A three-point bend test is performed on a block of silicon nitride that is 100.0 mm long, 8.000 mm…

A:

Q: Young modulus of a material is 250 GPa. What is its rigidity modulus if Poisson’s ratio of the…

A: Young's modulus of a material is, E=250 GPa Poisson’s ratio of the material is, μ=0.3

Q: Analyze friction in mechanical elements and discuss application of friction in wedges, belts and…

A: Friction is a very important phenomenon is mechanical engg.In the absence of friction, it is very…

Q: A plate clutch consists of one pair of contacting surfaces. The inner and outer diameters of the…

A: Given data di = 100 mm     ,      ri = 50 mmd0 = 200 mm     ,     r0 = 100 mmCoefficient of friction…

Q: What will be diameter of an indentation to yield a hardness of 300 HB when a 500 kg load is used.

A: Given data: Yield hardness, HB = 300 HB Load, P = 500 kg Find the diameter of Indentation, d =?

Q: A hard metal ball of 10mm diameter is slid across a soft metal surface and produces a groove of 3mm…

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Q: A weight of 200lbs. rests on an inclined plane that makes an angle of 35° with the horizontal. If…

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Q: screw jack has a thread with a pitch of 5 mm and diameter 25 mm. The coefficient of friction is…

A: Given:Mean diameter, d=25 mmcoefficient of friction, μ=0.25Pitch of screw, p=5 mmLoad on the jack,…

Q: masses of the automobile body, engine, transmission, and suspension and the elasticity of the…

A:

Q: a) During sliding of a cylindrical steel pin against a steel disc in a pin-on-disc test in air, the…

A: Given:-               Sliding of a cylindrical steel pin against a steel disc in a pin-on-disc test…

Q: Problem 1: A plastic component was subjected to a series of step changes in stress as follows: 1) An…

A: according to the question

Q: Given: In a ring compression test, a specimen is 15mm in height with outside diameter of 35mm and…

A: Given Height= 15mm Outside Diameter= 35mm Inside Diameter= 10mm   The Thickness is reduced by 50%…

Q: A 2-cm square cross-section steel part having a Brinell hardness of 100 and a length of 4 cm is to…

A: Brinell hardness ( BHN) = 100 kgf/mm² BHN = 981 N/mm² Applied. Load ( F) = 70 KN Give volume of the…

Q: The following data relate to a screw jack: Pitch of the threaded screw = 8 mm Diameter of the…

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Q: With suitable sketches of the relationship of friction force and applied load, briefly explain the…

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Q: Differentiate between dry friction and internal friction ?

A: Friction: Friction is the force resisting the relative motion of solid surfaces, fluid layers, and…

Q: The process of making/production of Ring (washer) from steel plate UTS= 400 MPa thick 3 mm with an…

A: Write the given data in the problem. σut=400 MPa  D=20 mm  d=8 mm   t=3 mm Here, t is the thickness,…

Q: Discuss the concept of Static and Dynamic Friction

A: To find-: The concept of Static and Dynamic Friction. Answer-: Friction: It is a resistive force…

Q: Problem 208 A steel tire, 10 mm thick, 80 mm wide, and 1500.0 mm inside diameter, is heated and…

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Q: A 2-cm square crOss-section steel part having a Brinell hardness of 100 and a length of 4 cm is to…

A: Brinell hardness ( BHN) = 100 kgf/mm² BHN = 981 N/mm² Applied. Load ( F) = 70 KN Give volume of the…

Q: Part (b). Follow the same procedure with P = 157 N. What is the friction force F needed to keep the…

A: μs = 0.34μk = 0.24p = 157 Nm = 52 kg θ=23°     first we will make FBD and resolve the forces and…

Q: A boundary-lubricated bearing is typically a smooth hollow cylinder through which a shaft passes…

A: Given: L/D = 0.5

Q: Q8) A wire of a perfectly plastic material has a starting diameter of 3 mm. Assume no friction and…

A: Given   Initial diameter, D = 3 mm     Final diameter, d = 1 mm Find  Number of passes, N

Q: An oil immersed multi-disk clutch, with moulded asbestos on one side and steel disks on the other,…

A: Given data as per question Torque transmitted by clutch =75Nm coefficient of friction =0.1…

Q: is pressed An electric disk sander (see Fig. against a surface with a force of 50 N. The coefficient…

A: Given: Force, F=50 N The diameter of the disk, D=200 mm The coefficient of friction between…

Q: What is the difference between kinetic and static friction? 2) What is the effect of static coeffi

A: The difference between the static and kinetic friction is that in case of static friction the object…

Q: A cylindrical workpiece of 100mm diameter and 150mm in height (Fig. 1) is upset (open die forged) at…

A: The height of the cylinder is h1=150 mm. The diameter of the cylinder is d1=100 mm. The height of…

Q: Based on the plotted curve, calculate the average/tangent Young's modulus and Poisson's ratio for…

A: we have to evaluate  the poisson's ratio & youngs modulus

Q: Problem 208 A steel tire, 10 mm thick, 80 mm wide, and 1500.0 mm inside diameter, is heated and…

A: Given Data: Thickness t=10 mm Wide b=80 mm Inside Diameter di=1500 mm After heating final diameter…

Q: The following data is refers to a screw jack. The vertical load on the screw320kN Force applied at…

A: Answer: (a) The force on the lever end while raising the load is 134.82625 N. (b) The efficiency of…

Q: Q14. hardness number. Based on Figure Q14, if the indentation load is 50 kgf, calculate the

A: Given        Load, P = 50 kgf Diagonal, d = 100 micro meter                    = 0.1 mm Find…

Q: A steel ball slides against an aluminum flat surface at two different normal loads. At low normal…

A: Given   At low load   Coefficient of friction = 0.4            Groove width, r = 0.4 mm At high load…

Q: Explain in your own words how the stress test (performance test) is applied to the patient turning…

A: Medical equipment to find test performance

Q: Define the term friction. Explain about static friction and dynamic friction with examples?

A: Friction: It is a force which acts between two surfaces that are relative motion or trying to move…

Q: An automotive plate clutch consists of two pairs of contacting surfaces with asbestos friction…

A: Write the given data.

Q: 2- If a material has a target hardness of 300 HB, what is the expected indentation diameter? load is…

A:

Q: A 2-cm square cross-section steel part having a Brinell hardness of 100 and a length of 4 cm is to…

A: Brinell hardness ( BHN) = 100 kgf/mm² BHN = 981 N/mm² Applied. Load ( F) = 40 KN Give volume of the…

Q: Question 5A. We are compressing a cylinder of coarse iron powder 2.0 inches high and 2.0 inches in…

A: The given cylinder is in compression with same load applied on both sides. Since the area of cross…

Q: Explain in detail the different types of friction

A: Below are the different types of friction:- Static friction Sliding friction Rolling friction Fluid…

Q: In a rolling mill, the rollers can exert a pressure of 219 MPa on the sheet being rolled. If the…

A: Given:-h1=2 mmh2=2×0.25=0.5 mmμ=0.35To find:-Diameter

Q: he consequences of a head-on collision of two automobiles can be studied by considering the impact…

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Q: An office chair was designed for a maximum sitting load of 120 kg. If the variation of the material…

A: Given: The maximum sitting load, P = 120 kg The variation in material strength, ∆P = 20%

Q: An experiment to determine the effect of four different types of engine oil (A, B, C, and D) on  the…

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Q: If you are given the K and n values of two different materials, respectively. Is this information…

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Q: A seamless cover plate for a full face gasketed, flanged joint has been designed. If a material with…

A: Given Data: Pitch circle diameter, d=477 mm Pressure, P=852 kPa