Exam Details
ISRO Mechanical Engineering 2010
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Questions
80
Duration
180 mins
Package
ESE & GATE ME - Previous Year Papers
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80questions
Medium
48
60%
Easy
29
36.3%
Hard
3
3.8%
Question type distribution
80questions
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80
100%
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Sample
Sample questions from this paper
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2010 · Unclassified
ISRO Mechanical Engineering 2010
If thermal conductivity of a material of wall varies as ., the temperature at the center of the wall will be (is +ve)
2010 · Unclassified
ISRO Mechanical Engineering 2010
The spectral emissive power E1 for a diffusely emitting surface is E1 =0 for <3; E1 =150 W/m2 for 3<< 12; E1= 300 W/m2 for 12< <25 ; E1=0 for >25. The total emissive power of the surface over the entire spectrum is
2010 · Unclassified
ISRO Mechanical Engineering 2010
A wire is plastically deformed bent by supplying a force of 40 N over a distance of 0.8 m. (The force moves in the direction in which the distance is measured). If the wire has a mass of 0.2 kg and a specific heat of 0.5 kJ/kg. estimate the maximum increase in the average temperature of the wire
A
0.03
B
0.3
C
30
D
3
2010 · Unclassified
ISRO Mechanical Engineering 2010
Two rods one of length L and the other of length 2L are made of the same material and have the same diameter. The two ends of the longer rod are maintained at 100 . One end of the shorter rod is maintain at 100 while the other end is insulated. Both the rods are exposed to the same environment at 40 . The temperature at the insulated end of the shorter rod is measured to be 55 The temperature at the midpoint of the longer rod would be
A
40
B
50
C
55
D
100
2010 · Unclassified
ISRO Mechanical Engineering 2010
A sphere, a cube and a disc all of the same material, quality and volume are heated to 900 K and left in air. Which of these will have the lowest rate of cooling
2010 · Unclassified
ISRO Mechanical Engineering 2010
Air with initial condition of p1, v1 expands to final condition of p1/2, 3v1. The process is