ISRO Scientist or Engineer Mechanical 2010
Instructions
For the following questions answer them individually
Question 64
A husband and wife appearin an interview for two vacancies for same post. The probability of husband getting selected is $$\frac {1}{5}$$ while the probability of wife getting selected is $$\frac {1}{7}$$. Then the probability that anyone of them getting selected is
Question 68
The Moody diagram is shown in Fig. The friction factor for turbulent flow in a smooth pipe is given by curve
Question 69
A piping system consists of three pipes arranged in series, the lengths of the pipes are 1200m, 750 m and 600 m and diameters 750 mm, 600 mm, 450 mm respectively. Transform the system to an equivalent 450 mm diameter pipe
