ISRO Scientist or Engineer Mechanical 2012
For the following questions answer them individually
ISRO Scientist or Engineer Mechanical 2012 - Question 61
Match the list I with list II and select the correct answer from the codes given in the lists below:
ISRO Scientist or Engineer Mechanical 2012 - Question 62
A shaft has a dimension $$ \phi 35^{\frac {-0.009} {-0.025}},$$ the respective values of fundamental deviation and tolerance are
ISRO Scientist or Engineer Mechanical 2012 - Question 63
When a material sustains steady loads for long periods of time, the material may continue to deform until they may tend to fracture under the same load. This phenomenon is known as
ISRO Scientist or Engineer Mechanical 2012 - Question 64
Which one of the following is a wrong statement?
ISRO Scientist or Engineer Mechanical 2012 - Question 65
The most popular and standard typeforall purpose tool steels is 18:4:1 High Speed Steel (H.S.S.), which contains.
ISRO Scientist or Engineer Mechanical 2012 - Question 66
Water is boiled at $$1\times10^5 $$ Pa pressure in a coffee maker equipped with an immersion-type electric_heating-element. The coffee maker initially contains 1 kg of water. Once boiling started, it is observed that half of the water in the coffee maker evaporated in 18 minutes. If the heat loss from the coffee maker is negligible, the power rating of the heating element is
ISRO Scientist or Engineer Mechanical 2012 - Question 67
An adiabatic heat exchanger is used to heat cold water at $$15^\circ C$$ entering at a rate of 5 kg/s by hotair at $$90^\circ C$$ entering also at rate of 5 kg/s. If the exit temperatureof hot air is $$20^\circ C$$, the exit temperature of cold water is
ISRO Scientist or Engineer Mechanical 2012 - Question 68
Logmean area ‘A’ can be given as.
ISRO Scientist or Engineer Mechanical 2012 - Question 69
Nusselt number is the ratio of
ISRO Scientist or Engineer Mechanical 2012 - Question 70
Zeroth law of thermodynamics is not valid for the following
