Ask Question, Ask an Expert


Ask Mechanical Engineering Expert

Answer the following problems in detail.

problem 1) Sketch the value timing diagram and P-V diagram of two stroke Petrol engine. prepare down the disadvantages of two stroke system?

problem 2) Describe the various devices used to meet the requirements of an ideal carburetor? prepare down the limitations of single jet carburetor?

problem 3) Describe in detail the method for measurement of indicated horse power.

problem 4) An Otto cycle, in which air is the working fluid, operates through a compression ratio of 4:1. At the beginning of the compression the air is at pressure 1 bar and temperature 293K. If the heat addition is at constant volume equals 2000 kj/kg, Compute air standard efficiency and mean effective pressure for the cycle.

problem 5) Given data were recorded from a test on a single cylinder four stroke engine. Diameter of brake wheel=70 cm, rope dia=3cm, the dead load=20 kgf when the spring balance reading is 5 kgf, engine is running at450rpm, Area of indicator diagram = 4cm2 , Length of indicator diagram: 6cm, spring stiffness is 12, Fuel consumption: 0.23kgh.h.p.-ht, Calorific value of fuel: 10500 Kca/kg., cylinder bore dia. : 10 cm, piston stroke: 15cm. Compute:

(a) B.H.P.

(b) I.H.P.

(c) Mechanical efficiency.

(d) Indicated thermal efficiency.

problem 6) What is requirement of Governor? Describe working of one type of Governor.

problem 7) What is the significance of delay period? Describe variable effecting the delay period.

problem 8) Describe with the help of neat sketch, the effect of compression ration engine performance.

Mechanical Engineering, Engineering

  • Category:- Mechanical Engineering
  • Reference No.:- M98912

Have any Question? 

Related Questions in Mechanical Engineering

Wind tunnel testing of the concrete reef balls used in

Wind tunnel testing of the concrete reef balls used in artificial reefs is proposed. A typical reef ball (e.g. Figure 1.2) has a diameter of 6 ft, and is immersed in sea water. A scale model is prepared with diameter of ...

1 what is the pressure panbspin the figure the specific

1. What is the pressure p A  in the figure? The specific gravity of the oil is 0.8. 2. Find the difference in pressure between tanks A and B, if  d 1 = 2ft, d 2 = 6 in., d 3 = 2.4 in., and d 4 = 4 in. 3. What is the pres ...

1 what are modes of failure2 what are failure criteria how

1. What are modes of failure? 2. What are failure criteria? How are they related to modes of failure? 3. What is meant by the term factor of safety? How are factors of safety used in design?

What is a cryogenic bolt materialwhich definition of

What is a cryogenic bolt material? Which definition of strength are we most often concerned about when selecting a joint configuration or material? Name the two committees who manage ASTM bolting standards.

Mechanical engineering assignmentproblem - a linearly

Mechanical Engineering Assignment Problem - A linearly increasing load sits on a brass rail of length L. Find the centroid (4) of the cross section below. Using successive integration, find the maximum bending moment (5) ...

Assignmentin mse 2010 we talk about several general classes

Assignment In MSE 2010 we talk about several general classes of materials: metals, polymers, ceramics, glasses and composites. We know that these are just the basic categories and we've discussed several specific example ...

A dam discharge into a channel of constant width as shown

A dam discharge into a channel of constant width as shown. It is observed that a region of still water backs up behind the jet to a height H. The velocity and height of the flow in the channel are given as v and h, respe ...

Heat transfer problem -a thermocouple is to be utilized to

Heat Transfer Problem - A thermocouple is to be utilized to measure the temperature of exhaust gases from an automobile engine and the effect of the cylindrical radiation shield installed as shown in the image, is to be ...

Wat is the resilience of the bolts and joint this time

What is the resilience of the bolts and joint this time? What is the stiffness ratio of this eccentric joint? By how much does the tensile load of 7.40 kips increase the tension in the bolts and reduce the clamping force ...

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 ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

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.

Ask Now Help with Problems, Get a Best Answer

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