1
GATE ME 2015 Set 1
MCQ (Single Correct Answer)
+2
-0.6
Match the following pairs: GATE ME 2015 Set 1 Fluid Mechanics - Fluid Kinematics Question 4 English
A
$$P - {\rm I}V,\,\,Q - {\rm I},\,\,R - {\rm I}{\rm I},\,\,S - {\rm I}{\rm I}{\rm I}$$
B
$$P - {\rm I}V,\,\,Q - {\rm I}{\rm I}{\rm I},\,\,R - {\rm I},\,\,S - {\rm I}{\rm I}$$
C
$$P - {\rm I}{\rm I}{\rm I},\,\,Q - {\rm I},\,\,R - {\rm I}V,\,\,S - {\rm I}{\rm I}$$
D
v$$P - {\rm I}{\rm I}{\rm I},\,\,Q - {\rm I},\,\,R - {\rm I}{\rm I},\,\,S - {\rm I}V$$
2
GATE ME 2015 Set 1
Numerical
+2
-0
Water $$\left( {\rho = 1000kg/{m^3}} \right)$$ flows through a venturimeter with inlet diameter $$80$$ $$mm$$ and throat diameter $$40$$ $$mm.$$ The inlet and throat gauge pressures are measured to be $$400$$ $$kPa$$ and $$130$$ $$kPa$$ respectively. Assuming the venturimeter to be horizontal and neglecting friction, the inlet velocity (in $$m/s$$) is ___________.
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3
GATE ME 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Consider fully developed flow in a circular pipe with negligible entrance length effects. Assuming the mass flow rate, density and friction factor to be constant, if the length of the pipe is doubled and the diameter is halved, the head loss due to friction will increase by a factor of
A
$$4$$
B
$$16$$
C
$$32$$
D
$$64$$
4
GATE ME 2015 Set 1
Numerical
+2
-0
Air ( $${\rho = 1.2\,\,kg/{m^3}}$$ and kinematic viscosity, $${v = 2 \times {{10}^{ - 5}}{m^2}/s}$$ ) with a velocity of $$2m/s$$ flows over the top surface of a flat plate of length $$2.5m.$$ If the average value of friction coefficient is $${C_f} = {{1.328} \over {\sqrt {{{{\mathop{\rm Re}\nolimits} }_x}} }},\,\,$$ the total drag force (in $$N$$) per unit width of the plate is ____________
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