In Rayleigh flow, which is correct
Anonymous Quiz
33%
Friction is present
32%
No heat transfer
35%
Heat tranfer is there
Please do watch if you don't know how a differential works.
For an incompressible isentropic flow Stagnation pressure is always more than Static pressure
Anonymous Quiz
83%
True
17%
False
There is a lot of confusion and debate between Mutually exclusive event and independent event.
What you guys think?
What you guys think?
Anonymous Quiz
33%
They are completely same.
67%
They are completely different.
Ignore the correct option shown by the tick mark.
Which failure theory is more economical for ductile materials?
Anonymous Quiz
21%
Tresca theory
34%
Maximum strain Energy theory
45%
Von Mises Theory
In centrifugal pumps, the chance of cavitation is mostly at
Anonymous Quiz
30%
At the starting of suction pipe
15%
At the delivery end of delivery pipe
55%
At the suction pipe just before impellor.
Fastest method of case hardening is
Anonymous Quiz
12%
Gas Cyaniding
30%
Nitriding
31%
Flame Hardening
27%
Induction Hardening
Spherodising is recommended for
Anonymous Quiz
28%
Low carbon steel
49%
High carbon steel
22%
Cast Iron
For a polytropic process, the value of its index should be
Anonymous Quiz
63%
Positive
9%
Negative
28%
Can be both positive and negative.
For a given heat input ehich process will give maximum work for an Ideal Gas
Anonymous Quiz
30%
Isobaric
4%
Isochoric
48%
Isothermal
19%
Adiabatic