Ask Question, Ask an Expert


Ask Mechanical Engineering Expert

1) Define and describe about Model or Similarity Laws in detail. prepare down the importance of dimensionless numbers?

2) Deduce Hagen-Poiseuille equation and prepare down assumptions made.

3) Oil of viscosity of poise and specific gravity 0.9 is flowing through a horizontal pipe of 600 mm diameter. If pressure drops in 100 mm length of the pipe is 1800 KN/m2. Find out:

i) Rate of flow of oil

ii) Centerline velocity

iii) Total frictional drag

iv) Power required maintaining the flow.

4) Describe the construction and working principle of Impulse Turbine. Find the Work done and efficiency of the Pelton wheel.

5) Centrifugal pump running at 800 rpm is working against total head of 20.2 m. External diameter of impeller is 480 mm and outlet width is 60 mm. If vanes angle at outlet is 400and manometric efficiency is 70 percent,

Find out:

i) Flow velocity at outlet

ii) Absolute velocity of water leaving   the vane

iii) Angle made by absolute velocity at outlet with direction of motion at outlet and

iv) Rate of flow through a pipe.

Mechanical Engineering, Engineering

  • Category:- Mechanical Engineering
  • Reference No.:- M913035

Have any Question? 

Related Questions in Mechanical Engineering

Linear motion actuator with feedback controlanalyses and

Linear Motion Actuator with Feedback Control Analyses and Simulations Provide complete mathematical modeling of the system and its components (free body diagrams and differential equations are required). Provide a comple ...

Suppose that the performance of a bjt transistor is

Suppose that the performance of a BJT transistor is entirely limited by emitter injection efficiency, which limits the d.c. beta, and base spreading resistance, which limits the bandwidth. Show that the gain-bandwidth pr ...

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 ...

1 repeat the preceding problem for air2 an automobile

1. Repeat the preceding problem for air. 2. An automobile crankshaft is 3.175 cm in diameter. A bearing on the shaft is 3.183 cm in diameter and 2.8 cm long. The bearing is lubricated with SAE 30 oil at a temperature of ...

In order to penetrate a workpiece a tungsten carbide drill

In order to penetrate a workpiece, a tungsten carbide drill bit is subject to a torque of 3.8 Nm and an axial force of 5 kN. Tungsten carbide is very strong (compressive strength 1400 MPa, tensile strength 340 MPa) but a ...

A 10 hp y-connected 60 hz 380 v three-phase induction

A 10 hp, Y-connected, 60 Hz, 380 V, three-phase induction generator is used to drive a small micropower plant. The generator's load is 500 W for a 4 A line current at 1740 rpm. The rotor resistance is 4.56 Ω at 75°C. The ...

1 determine the capillary rise for a water-air-glass

1. Determine the capillary rise for a water-air-glass interface at 40°C in a clean glass tube having a radius of 1 mm. 2. Determine the difference in pressure between the inside and outside of a soap film bubble at 20 °C ...

Problem 1-consider a 5-m-long constantan block k 23 wmk30

Problem 1-Consider a 5-m-long constantan block (k = 23 W/mK) 30 cm high and 50 cm wide. The block is completely submerged in iced water at 0 °C that is well stirred, and the heat transfer coefficient is so high that the ...

A steel bar of 100mm length tapers from 12mmtimes10mmfrom

A steel bar of 100mm length tapers from 12mm×10mmfrom one end to 30mm×20mm at the other. If the stress in the bar is not to exceed 100mpa,find the magnitude of the axial force. Also find the change in its length. Take E ...

A linear spring k is to be designed to stop a 20-mg

a linear spring k is to be designed to stop a 20-mg railroad car traveling at 8km/h within 400 mm after impact. Find the smallest value of k that will produce the desired result.

  • 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

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

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen