Hey buddy below I am giving you the Anna University Previous Year Question Papers you can have a look

Anna University Previous Year Question Papers

1. An RLC series circuit is underdamped. To make it overdamped, the value of R

has to be increased
has to be decreased
has to be increased to infinity
has to be reduced to zero

2. A sinusoidal voltage has peak to peak value of 100 V. The rms value is

50 V
70.7 V
35.35 V
141.41 V

3. In a 3 phase fully controlled converter the firing frequency is

3 times the line frequency
6 times the line frequency
9 times the line frequency
12 times the line frequency

4. Mechanical impedance is the ratio of

rms force to rms velocity
rms force to rms displacement
rms velocity to rms displacement
none of the above

5. The centre of gravity of a triangle is at the point where three

medians of the triangle meet
bisectors of the angle of the triangle meet
perpendicular bisectors of the sides of the triangle meet
none of these.

6. The liquid limit and plastic limit exist in

sandy soils
gravel soils
silty soils
Clay soils

7. Accurate determination of water content, is made by

calcium carbide method
alcohol method
sand bath method
oven-drying method

8. The degree of saturation of the soil sample stated in Q. No, 216, is

65%
56%
70%
64%

9. The maximum load carried by a pile, when it continues to sink without further increase of load, is known as

ultimate bearing capacity
ultimate load carrying capacity
ultimate bearing resistant
All the Above

10. The direct shear test suffers from the following disadvantage:

Drain condition cannot be controlled
Shear stress on the failure plane is not uniform
Pore water pressure cannot be measured
The area under the shear and vertical loads does not remain constant throughout the test

11. Which capacitor-store higher amount of energy?

Air Capacitor
Paper capacitor
Mica capacitor
Plastic film capacitor

12. In paramagnetic materials

permanent magnetic dipoles exist but the interaction between neighbouring dipoles is negligible
permanent magnetic dipole do not exist
permanent magnetic dipoles exist and the interaction between neighbouring dipoles is very strong
permanent magnetic dipole moment may or may not exist

13. What are the effects of moving a closed wire loop through a magnetic field?

A voltage is induced in the wire.
A current is induced in the wire.
The polarity across the wire depends on the direction of motion.
All of the above

14. Which electromagnetic device has a flexible cone?

A speaker
A dc generator
A relay
A solenoid

15. for a permanent magnetic material

the residual induction and coercive field should be large
the residual induction and coercive field should be large
area of hysteresis loop should be small
initial relative permeability should be high

16. Lacquer paints

are generally applied on structural steel
are less durable as compared to enamel paints
consists of resin and nitro-cellulose, contain alcohol as thinner
all the above

17. Sand stone is

sedimentary rock
metamorphic rock
igneous rock
volcanic rock

18. Pick up the polymineralic rock from the following:

Quartz sand
Pure gypsum
Magnesite
Granite

19. If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called

Bessemer pig
Grey or foundry pig
White or forge pig
Mottled pig

20. Stainless steel contains

18% of chromuim and 8% nickel
8% of chromium and 18% of nickel
12% of chromium and 36% of nickel
36% of chromium and 12% of nickel.

21. In a depressed nappe

the pressure below the nappe is atmospheric
the pressure below the nappe is negative
the pressure above the nappe is atmospheric
the pressure above the nappe is negative

22. The ratio of total useful heat drop to the total isentropic heat drop, is called

stage efficiency
internal efficiency
Rankine efficiency
none of these

23. If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures, the pressure type of locator used is

conical locator
cylindrical locator
cylindrical locator
vee locator

24. Screws used for power transmission should have

Low efficiency
high efficiency
very fine threads
strong teeth

25. An eutectoid steel consists of

wholly pearlite
wholly austenite
pearlite and ferrite
pearlite and cementite