+1-415-315-9853

info@mywordsolution.com

## Engineering

 Civil Engineering Chemical Engineering Electrical & Electronics Mechanical Engineering Computer Engineering Engineering Mathematics MATLAB Other Engineering Digital Electronics Biochemical & Biotechnology

problem1)a) describe the working of a Parkinson’s rolling gear tester with a sketch.

b) Define effective diameter of a screw thread. What is the difference between effective diameter and pitch diameter in screw threads? Derive the equation for the effective diameter of an external V-thread using 3 wires.

problem2)a) describe the method of determining flatness using optical flat.

b) Define: Tolerance, Allowance, Best-size wire and linearity.

problem3)a) describe the working of Sigma comparator with a neat sketch.

b) List four advantages and four limitations of Mechanical comparator.

problem4)a) In measuring the effective diameter of a 24 mm x 3 mm pitch metric plug screw gauge, the average of the readings taken were:
Micrometer reading over the standard and wires ... 12.9330mm
Micrometer reading over the gauge and wires ... 12.1100mm
Diameter of cylindrical standard =22.0010 mm
Diameter of wires ...1.7320 mm
find out the effective diameter.

problem4)b) Define: V-thread, pitch angle, helix angle and surface roughness.

problem5)a) Derive an equation for overall magnification of pneumatic comparator for 2% error in linearity

b) describe with a sketch the method determining the profile of a spur gear tooth

problem6)a) Compute the limit dimensions for an interference fit on the hole basis system,for a basic size of 20mm diameter, with a negative clearance of 0.100mm, tolerance on the hole is 0.025mm and tolerance on the shaft is 0.050mm. Verify the answer obtained using the definition of interference fit.

b) describe with a sketch the working of Solex Pneumatic comparator.

Mechanical Engineering, Engineering

• Category:- Mechanical Engineering
• Reference No.:- M94460

Have any Question?

## Related Questions in Mechanical Engineering

### Sea water rho 1025 kgm3 flows through a pump at 021 m3s

Sea water, ρ = 1025 kg/m 3 , flows through a pump at 0:21 m 3 /s. The pump inlet is 0.25 m in diameter. At the inlet the pressure is -0.15 m of mercury. The pump outlet, 0.152 m in diameter, is 1.8 m above the inlet. The ...

### A laminated plastic beam with a square cross section is

A laminated plastic beam with a square cross section is built up by gluing together three strips, each 10 mm × 30 mm in cross section. It must carry a load P at its midpoint. a. The beam has a total weight W and a length ...

### Project -this project is individual work write a computer

Project - This project is individual work. Write a computer program using Matlab to read the engineering constants E 1 , E 2 , v 12 , and G 12 then computes and prints the Reduced Compliances Matrix [S], the Reduced Stif ...

### Need a 400 to 500 minimum word essay on 2 articles no

Need a 400 to 500 minimum word essay on 2 articles (No internet, just based on the articles) - You will need to do a compare and contrast essay where you compare an Old HVAC system with a New system and also old refriger ...

### Bull why do individual bolts relax a bit when first

• Why do individual bolts relax a bit when first tightened? Name several factors that can increase the relaxation ? Which will tend to loose more preload after initial tightening, a short bolt or a long bolt? • What are ...

### Chemistry buildings built to code require a great deal of

Chemistry buildings built to code require a great deal of ventilation, which necessitates a delicate air-handling system to balance the air lowing into the building and the air lowing out. For example, if the air low out ...

### A solid circular shaft of 40 mm diameter is to be replaced

A solid circular shaft of 40 mm diameter is to be replaced by a hollow circular tube. If the outside diameter of the tube is limited to 60 mm, what must be the thickness of the tube for the same linearly elastic material ...

### Name several ways by which the loss of initial preload can

Name several ways by which the loss of initial preload can be reduced ? Roughly how much embedment relaxation could we expect from new parts used in a non-gasketed, steel joint? Define elastic interactions. How can elast ...

### Airplane fuselages are subject to a variety of complex

Airplane fuselages are subject to a variety of complex loads during flight. Consider a Boeing 777 modeled as a cylinder with 1/4 in wall thickness of 2024 aluminum, 209 ft length and 20.3 ft outer diameter. Assume the cy ...

### A confirm that the symmetry-adapted linear combinations of

(a) Confirm that the symmetry-adapted linear combinations of p-orbitals for benzene are those set out above Example 8.4. (b) Find the corresponding combinations for naphthalene. Within the Hu¨ ckel p-electron scheme, est ...

• 13,132 Experts

## Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

### WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

### Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

### Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

### Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

### Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro