BUILDING MATERIALS & CONSTRUCTION

BUILDING MATERIALS & CONSTRUCTION
SEM-III, 2012-13
B.TECH EXAMINATION
UTTARAKHAND TECHNICAL UNIVERSITY
(UTU)

Time: 3 hours

Total Marks: 100

Attempt any four:

5*4=20

1. Explain the problem of line bursting in bricks.
2. Explain the Economical of building materials.
3. Discuss the properties and specification of pozzolan for use in construction.
4. Discuss the advantages and disadvantages of natural and artificial Seasoning.
5. Discuss specification and uses of Tar.
6. Discuss briefly scope of study of engineering material.

MATHEMATICS-III sem 3rd

Uttarakhand tech. university

b tech

sub:- mathamatics iii

utu previous year question papers

time : 3hr]

Total marks :100

SECTION A

Q1:- Attempt any two of the following :

1. (i) Show that function u = x³ – 3xy² is harmonic and find the corresponding analytic function.
   (ii) If   w = f (z) = u + iv and u - v =  e^x (cosy – siny), find w in terms of z.
2. Evaluate 
                    where C is the circle
   (i) |z| = 2 ,  
3. Apply  calculus of residues to evaluate 
   

FLUID MECHANICS SEM III

UTTARAKHAND TECH. UNIVERSITY

UTU

B.TECH sem iii,  2011-2012

sub- FLUID MECHANICS

time : 3hr] 

Total marks :100

SECTION A

Q1:- Attempt any four of the following :

1. Explain briefly Magnus effect.
2. Define Newton's law of viscosity of fluid.
3. Explain the term vapour press and cavitation. Derive an expression for capillarity fall.
4. Explain the term absolute, gauge, atmospheric and vacuum pressure.
5. Explain the condition of equilibrium of floating and submerged bodies.
6. The diameter of a small piston and a large piston of a hydraulic jack are 5cm and 9cm respectively. A force of 120 N is applied on the small piston. Find the load lifted by the large piston when :
   (i) The pistons are at same level
   (ii) Small piston is 40 cm above the large piston. Density of liquid in jack is given as 1000 kg per meter cube.