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a) internalenergy 0) heat transfer of c) entropy of the ५) all of the above
of the gaseous the gaseous gaseous system
system remains system remains remains constant
constant constant

For a system which undergoes an infinitesimal reversible process between two equilibrium
states, the change in internal energy is
a) ٥11ت‎ = ‏1۷م‎ - b) 60 = 105 + ‏1۷م‎ ०) dU=TdS—pdV 6) dU=-TdS—pdV
TdS
A bar having a cross-sectional area of 700 നന്‌ is subjected to axial loads at the positions
indicated. The value of stress in the segment QR is

63 kN 21 kN

रि Q R 8
a) 401/೧೩ b) 50 MPa c) 60MPa d) 120 MPa

The total area under the stress-strain curve of a mild steel specimen tested up to failure under
tension is a measure of
a) Ductility b) Ultimate strength ൦) Resilience d) Toughness

Two identical cantilever beams are supported as shown, with their free ends in contact through
a rigid roller. After the load P is applied, the free ends will have

ட ட்டி

த்த

7 7

7

a) Equal b) Equalslopes but ௦) Equal slopes 5 d) Neither equal
deflections but not equal well as equal
not equal deflections deflections slopes nor equal
slopes deflections

On bending of a beam, which is the layer which is neither elongated nor shortened?
a) Axis of load 0) Neutral axis c) Center of gravity d) None of the above

For which one of the following two-dimensional states of stress will the Mohr's stress circle
degenerate into a point?

If a solid shaft can resist a bending moment of 3.0 kKNm and a twisting moment of 4.0 ಓಜ
together, the maximum torque that can be applied is
a) 7.0kNm b) 3.5kNm c) 5.0kNm ५) 6.0kNm

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