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. A200 mm long steel bar is tested in tension, so that the change in the length is 0.1 mm.

If modulus of elasticity is 200 GPa, what is the stress developed in the bar ?

A) 200 MPa B) 50 MPa C) 0.1 MPa D) 100 MPa
. The point of contraflexure in a beam is a point where
A) Shear force is maximum B) Bending moment is maximum

C) Bending moment changes sign D) Shear force is zero

. The breadth of a beam of rectangular section is half its depth. If it is subjected to

bending moment of 28.8 Nm and the maximum stress developed is 200 MPa, compute
the breadth of the section.

A) 6mm B) 18mm Cc) 12mm D) 24mm

. Asimply supported beam of span length 6 m carries 9 kN central load. If the flexural

rigidity is 2700 kN/m2, what is the deflection at the centre ?

A) 20mm B) 15mm C) 10 mm D) 1mm
. Euler’s buckling theory is applicable for

A) Short columns B) Long columns

C) Both short and long columns D) None of the above

. A circular plate of radius R is immersed vertically in water such that the topmost point

is just at the water surface. Determine the depth of centre pressure of the plate below
the water surface.

A) 5R/4 8( 8 C) 3R/2 D) 4R/3

. A turbine develops 480 kW power under a net head of 30 m. If the overall efficiency

of the turbine is 80%, determine the discharge through the (in m/s) turbine. Take
specific weight of water in the turbine as 10 നീ.
A) 20 B) 2.0 C) 1.51 D) 1.41

. In which of the following flow profiles, the flow will be in supercritical state ?

و5 ‎٥089‏ و8 :,5 (ط م۸( ‎٥۸0‏ و5 ,وڈ )© م3005 و5 روالا (8 2 ‎A) M3,S3andM,‏

. Find the delta for a crop, if the duty for a base period of 120 days is

1200 hectares/cumecs.
A) 86.4cm B) 0.864 cm ©) 10cm ൧) 1ണ

The radius of influence of a well is the

A) Radius of the well

B) Distance from the centre of well to the point of zero drawdown
C) Distance from the wall of well to the point of zero drawdown
D) None of the above