Rajiv Gandhi Proudyogiki Vishwavidyalaya 2009 B.E Electronics & Communication Engineering basic mechanical engineering -201 - Question Paper

R.G.P.V. Bhopal (MP)
B.E. (1st/ second Semester) DEC-2009
BASIC MECHANICAL ENGG [ BE-203 ]
Time:3 Hrs Max Marks:100 Min Marks:35
Note:- Attempt any 5 ques. .All ques. carry equal marks.
UNIT-I
Q.1.(a) Write classification and properties of cast iron ? [10]
(b) discuss the properties and uses of stainless steel ? [10]
OR
Q.2.(a) Draw and discuss stress-strain curve for an elastic material ? [10]
(b) describe fatigue, hardness, toughness and stiffness ? [10]
UNIT-II
Q.3.(a)Describe Vernier calliper with neat sketch. How small/linear measurements are done with it?[10]
(b) define different methods of temperature measurement ? [10]
OR
Q.4.(a) discuss Drilling machine with the help of a neat sketch ? [10]
(b) discuss Sine Bar ? [10]
UNIT-III
Q.5.(a) describe the subsequent properties of fluids: [10]
(i) Density
(ii) Specific quantity
(iii) Specific gravity
(iv) Viscosity
(v) Kinematic viscosity
(b) State and discuss Bernoulli's formula for incompressible fluids ? [10]
OR
Q.6.(a) The water is flowing through a pipe having diameters 25 cm and 1o cm at part one and two respectively. The rate of flow of water through the pipe is 30 litres/sec. part one is 10 m above the ground and part two is two m above the ground. If pressure at part one is 40 N/cm2, obtain the pressure at part two ? [10]
(b) discuss fluid coupling ? [10]
UNIT-IV
Q.7.(a) State and discuss 1st legal regulations of thermodynamics ? [10]
(b) How boilers are classified? discuss giving examples ? [10]
OR
Q.8(a) discuss the construction and working of a Chchran boiler with the help of a neat sketch ?[10]
(b) List Boilers mountigs and accessories ? [10]
UNIT-V
Q.9.(a) discuss the working of a 4 stroke petrol engine ? [15]
(b) discuss Carnot cycle. ? [5]
OR
Q.10.(a) Write down the principal parts of an I.C. Engine with their functions ? [10]
(b) Differentiate ranging from two-stroke and four-stroke cycle ? [10]

Earning:   Approval pending.