೦0500೧33: 511/7 energy is the
‘Ac Energy stored in a body when strained within elastic limits
B:-Energy stored in a body when strained upto the breaking of a specimen
‘C-Maximum Strain energy which can be stored in a body
D:-Proof Resilience Per Unit Volume of a Material
Correct Answer:- Option-é
Question34:-Euler's formula holds good only for
‘Acshort columns
B:-long columns
C=both short and long columns
D:-weak columns
Correct Answer:- Option ®

‘Question35:-A body is subject to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angle to the former. 15 also subjected to a shear
stress of 400 MPa on the same planes. The maximum normal stress will be

۸-400 ۱۸۵۵
8:500 117.
‏وما موقت‎
D:-1400 MPa
Correct Answer: Option-D
‘Question36:-Smelting is the process of
Asremoving the impurities like clay, sand etc. from the iron ore by washing with water
Be-expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns
C-reducing the ore with carbon in the presence of a flux
D:-all of the above
Correct Answer: Option-C
‘Question37:-One litre of water occupies a volume of
A100 em?
8:250 ೧೫"
೦-500 ‏ثم‎
‎D:-1000 नष
Correct Answer: Option-D
‘Question38:-In reaction turbine, draft tube is used.
‘AccTo transport water downstream without Eddies
B:To convert the kinetic energy to flow energy by a gradual Expansion of the flow cross-section
C:For safety of turbine
Ds"To increase flow rate
Correct Answer: Option ®
‘Question39:-A four -cylinder engine has a capacity of 2.4 litres. The swept volume of one cylinder is
2௭400 எட்‌
8:600 ೧೫'
©1200 em?
D:-2400 em*
Correct Answer: Option ®
Question40:-Coefficient of contraction is the ratio of
Acactual velocity of jet at vena contracta to the theoretical velocity
B:-loss of head in the orifice to the head of water available at the exit of the orifice
ರ discharge through an orifice to the theoretical discharge
D:-area of jet at vena contracta to the area of orifice

Correct Answer: Option-D