Describe the importance of pigging, bearing and shaft seals.

Q: Explain the different types of bearing failures on machines in a workshop? What are the types o

A: xplain the different types of bearing failures on machines in a workshop? What are the types of

Q: A bench blast has the following drill hole parameters, diameter 200mm, bench height 10m, stemming…

A:

Q: The strength of solid shaft is of hollow shaft of same weight. the strength

A: The torque transmitted by the hollow shaft is more than a solid shaft for the same weight and…

Q: What kind of shaft is generally designed to resist both bending and torsion?

A: Shaft: A shaft is a very important part of a machine which is used to transmit the rotary motion and…

Q: What happens if the torsional loadings applied to the shaft?

A: When the torsional load is applied on the shaft, the shear stress is produced in the shaft, and this…

Q: How can the average shear stress be related to the torque?

A: Let us consider an example of a cylinder rotating in viscous fluid with some average shear stress…

Q: Which of the following produces least friction? a. Sliding friction O b. Composite friction O c.…

A: Friction:- Friction is the force that resists the motion of one surface relative to another with…

Q: --------stresses are induced in the shafts if the shafts are manufactures by cold drawing process.

A: Drawing is a process in which a metal is stretched through a die using tensile forces.

Q: Describe how torque on a solid shaft can be measured using strain gauges?

A: Strain guage converts the torque into change of electrical resistance. This guage is bonded to…

Q: A steel bar 20 mm in diameter of 0.25 min/rev with a depth of rotational speed of the workpie…

A: feed(f)=0.25mm/rev depth of cut(d)=4mm

Q: What is a double-rod cylinder? When would it normally be used?

A: Two types of cylinders are: Single rod cylinder Double rod cylinder.

Q: What does the Torque cause a shaft having a circular cross-section?

A: Torque can be explained as the moment of the force about the axis of the shaft. A torque can have…

Q: Describe the stress involved in an unopened bottle of pop.

A: Solution:

Q: 11. Orientation of two circles with the same center. _ 12. Press fitting a pin/ shaft to a hole…

A: 11) Orientation of two circles with same center.  Answer: Concentric Circles   12) Press fitting a…

Q: choose true or false : -The listed life of a rolling bearing, in a catalogue, is the minimum…

A: The listed life of a rolling bearing, in a catalogue, is the minimum expected life. Answer: True

Q: Site an example of eccentrics and describe its function.

A: Explanation: Eccentric is the type of shaft in which two or more cylinders are turned parallel to…

Q: Explain the hydraulic press with suitable diagram.

A: Hydraulic press is a device which works on the principle of pascal's law. Pascal's law states that…

Q: What is the cause of friction?

A: Friction is a force that comes into existence when there is relative motion between two bodies, or…

Q: 6.Suggest steps for prevention of wear in bearings

A: The steps for preventing wear in bearing are as given below : 1.Choose the correct bearing design.…

Q: sketch write short notes on any two types of rolling bearings

A:

Q: Why are seals used in mechanical assemblies? Explain diaphragm seals with a neat sketch?

A: A mechanical seal is simply a method of containing fluid within a vessel (typically pumps, mixers,…

Q: When does the Stress concentrations occur in shafts?

A: A resisting force produced in a body on each unit area to counter the deformation of the body is…

Q: ch. The friction lining has a ce 25. The bore radius of friction li ilom contLacl pressur of IMI

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Q: 1.Explain with the aid of diagram the action of hydraulic press

A: Hydraulic press is a device which works on the principle of pascal's law. Pascal's law states that…

Q: Define the various types of fits? Also define fits in terms of shaft and hole basis system

A: Fits is defined as a term that is widely used in manufacturing engineering. It is the assembly…

Q: What does a worm screw pulley do and what is it used for? Explain the working system in detail.

A: The worm screw is the driving gear in the worm gear arrangement. The worm gear is the arrangement of…

Q: List some factors of safety for design of drilled shafts.

A: A drilled shaft is a deep foundation that is constructed by placing fluid concrete in a drilled…

Q: Advantages and disadvantages of using smaller bolts than bigger bolts

A:

Q: What is Axial Load and explain with example?

A: Axial load is the load which act on the body parallel to the axis or perpendicular to the…

Q: sketch and explain any six work holding devices used on drillind machene with tow diagram

A: Given Drill machine To find Work piece holding device

Q: Explain the differences between single and multiple threads. [ Draw and describe the function and…

A: Introduction: Threads are spiral grooves of identical size or shape created on a circular…

Q: classification of bearing advantages & disadvantages and application in machine tools.

A: The point contact feature gives the bearing very low rotational friction. These bearings are a…

Q: write about what we mean by hydraulic horse power of drill bit (BHHP) and the impact force of the…

A:

Q: 12)USM works very well when the workpiece - hardness is greater than O HRC 30

A: USM works very well when the workpiece hardness is greater than

Q: Write the equation for work done by a torque of constant magnitude?

A: Work done: The work done is defined as the product of force and the displacement in the direction of…

Q: What percentage of strength of a solid circular steel shaft of 160 mm diameter is lost by boring 100…

A: Given data as per question Diameter of solid shaft =160 mm Axial hole diameter =100 mm

Q: orm live load o an impact facte

A: Uniform Dead Load=1klfUniform Live load=2klfConcentrated load=20kImapct factor=30%

Q: Outline four applications of shafts

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Q: How did it solve the rivets? Kindly explain it with solution

A: Ae you have not given any figure but i tried to understand the fact how is the shearing or bending…

Q: Describe the different types of hammers.

A: Types of hammer: Claw hammer: This is the most common hammer for general work available with…

Q: Please answer fast in 20 minutes thank u

A: Surface roughness is a measure of the texture of a surface.It defines the vertical deviation of a…

Q: A/ What is kind of shaft bearing illustrated in Figure (1), when it used. Draw side sectional view…

A:

Q: Why is it better to have hollow bars if they are being twisted?

A: If hollow and solid bar have the same radius then solid bar would resist slightly more torque. in…

Q: Define and discuss the hole and shaft basis system with diagram? Briefy explain.

A: Hole basis system In hole basis system the size of the hole remains constant and the shaft size is…

Q: Can the shafts be subjected to cyclic or fatigue stress?

A: Yes the shafts can be subjected to cyclic or the fatigue stress

Q: [- hammer is used on domed circular works

A: planishing hammer has a round face, which is used on domed circular work

Q: Where does the Stress concentrations in shafts occur?

A: Stress concentration is defined as when the stress at a particular region in an object is much…