1
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
A regression model is used to express a variable $$Y$$ as a function of another variable $$X.$$ This implies that
2
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
If $$'x'$$ is the distance measured from the leading edge of a flat plate, then laminar boundary layer thickness varies as
3
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
Flow separation in flow past a solid object is caused by
4
GATE ME 2002
Subjective
+5
-0
A copper tube of $$20$$ $$mm$$ outer diameter, $$1$$ $$mm$$ thickness and $$20$$ $$m$$ long (Thermal conducti-vity$$ = 400$$ $$W/mK$$) is carrying saturated steam at $${150^ \circ }C$$ (Convective $$HTC\,\, = \,\,150\,\,W/{m^2}K$$). The tube is exposed to an ambient temperature of $${27^ \circ }C.$$ The convective $$HTC$$ of air is $$5\,W/{m^2}K.$$ Glass wool is used for insulation (Thermal conductivity $$ = 0.075\,\,W/mK$$). If the thickness of the insulation used is $$5$$ $$mm$$ higher than the critical thickness of insulation, calculate the rate of heat lost by the steam and the rate of steam condensation in $$kg/hr$$ (The enthalpy of condensation of steam $$ = 2230\,\,kJ/kg$$)
Paper analysis
Total Questions
Engineering Mathematics
1
Fluid Mechanics
2
Heat Transfer
5
Industrial Engineering
7
Machine Design
3
Production Engineering
14
Thermodynamics
3
Turbo Machinery
1
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