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The line voltage Viy is 40040 V for a balanced 3-ph star-connected load with phase sequence
RYB. Then the phase voltage Vix is given by +

ക 83040 (छ) 2302-0

)0 2902-90 11 400420

A B0 MVA, 22 KV synchronous generator has 0.2 Pu synchronous reactance. The pu
synchronous reactance on the base values of 100 MVA and 11 kV is :

1 )8( 1.6 ھ)
2 ر0 4.0 ‎(ಲು)‏

A thyrite type lightning arrestor :
18 uses a Silicon Carbide based material
(1) acts as a nonlinear resistor
(111) offers a low resistance path to the surge appearing in the line
(iv) returns surge back to the source
Among the above four statementa.
(ಗ) All are correct (B) (i) and (iv) are correct
(C) (i}, (i), and (iii) are correct (2) 60, 010) 870 (19) are correct

Which of the following wood is more resistant to white ants?
(ക) Teak (B) ‏له‎
‎(6 Deodar (D) Chir

A steel rod of 2em? area and 1m in height is subjected to a pull of 40000 N. If Young's
modulus 15 2 x 10° N/mm?, the elongation of the rod will be :

(ಗ) 10mm (2) 100 mm
(C) 1௩ M) 0.1 mm

The elastic constant which gives the relation between pressure and change in volume :
[ക Young's modulus (B) Rigidity modulus
(೮) 110 (D) Poisson's Ratio

Where the intensity of load is constant, Bending Moment will vary :
(^) Constant (3) Linearly
(0) Parabolically (D) Cubically

Moment of Inertia of triangular section with base b and height h ahout base will be -
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