Fluid Machines QUESTIONS AND ANSWERS

Civil Engineering : Fluid Machines QUESTIONS AND ANSWERS :: part4 : 11 to 15

Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

11.The length of a pipe is 1 km and its diameter is 20 cm. If the diameter of an equivalent pipe is 40 cm, then its length is

32 km

20 km

8 km

4 km

12.In series-pipe problems

the head loss is same through each pipe

the discharge is same through each pipe

a trial solution is not necessary

the discharge through each pipe is added to obtain total discharge

13.The maximum thickness of boundary layer in a pipe of radius r is

r/2

14.A fluid of kinematic viscosity 0.4 cm2/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be

less than 1 m/sec

1 m/sec

1.5 m/sec

2 m/sec

15.Two pipe systems are said to be equivalent when

head loss and discharge are same in two systems

length of pipe and discharge are same in two systems

friction factor and length are same in two systems

length and diameter are same in two systems

More Fluid Machines QUESTIONS AND ANSWERS available in next pages

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