ISRO Scientist or Engineer Mechanical 2011

Instructions

For the following questions answer them individually

ISRO Scientist or Engineer Mechanical 2011 - Question 1


Match List I with List If and select the correct answer

ISRO Scientist or Engineer Mechanical 2011 - Question 2


Reversible adiabatic process may be expressed as $$\left(\frac {T_1}{T_2}\right)$$ equal to

ISRO Scientist or Engineer Mechanical 2011 - Question 3


A gas is so expanded in a cylinder that its temperature remains constant. The resulting variation of pressure vs. volume is

ISRO Scientist or Engineer Mechanical 2011 - Question 4


According to first law of thermodynamics

ISRO Scientist or Engineer Mechanical 2011 - Question 5


Pick up the incorrect statement for centrifugal pumps

ISRO Scientist or Engineer Mechanical 2011 - Question 6


If the discharge of a centrifugal pump is throttled then its suction lift

ISRO Scientist or Engineer Mechanical 2011 - Question 7


A cylindrical body of cross-sectional area A height H and the density $$\rho_s$$, is immersed to a depth h in a liquid of density $$\rho$$, and tied to the bottom with a string. The tension in the string is

ISRO Scientist or Engineer Mechanical 2011 - Question 8


A manometer méasures the pressure differential between two locations of a pipe carrying water. If the manometric liquid is mercury (specific gravity 13.6) and the manometer showeda level difference of 20 cm, then the pressure head difference of water between the two tapings will be

ISRO Scientist or Engineer Mechanical 2011 - Question 9


Flow takes place at Reynolds Numberof 1500 in two different pipes with relative roughness of 0.001 and 0.002. The friction factor

ISRO Scientist or Engineer Mechanical 2011 - Question 10


A liquid compressedi in cylinder has a volume of $$0.04 m^3$$ at $$50 kg/cm^2 and a volume of $$0.039 m^3$$ at $$150 kg/cm^2$$. The bulk modulus of elasticity of liquid is

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