# The loss of head due to sudden enlargement is attributed to

1.  Viscosity of fluid

2.  Generation of heat

3.  Roughness of pipe

4.  Production and dissipation of turbulent energy

4

Production and dissipation of turbulent energy

Explanation :
No Explanation available for this question

# Four piezometer openings in the same crossection of a cast iron pipe indicate the following pressure for simultaneous reading 43,42.6,42.4,37mm Hg What value should taken for the pressure

1.  41.5

2.  43.0

3.  37.0

4.  42.67

4

42.67

Explanation :
No Explanation available for this question

# A 20cm diameter pipe 5000meters long conveya 0.05cubic of water which is to be pumped through a height of 6 meters. The horse power required by the pump, if its efficiency is 75%.Take 4f=0.006 will be

1.  74.2HP

2.  74HP

3.  75HP

4.  50HP

4

74.2HP

Explanation :
No Explanation available for this question

# Water flow through a 0.6m diameter, 1000m long pipe from a 30m over head tank to a village and find discharge (in litres) at the village (at ground level), assuming fanning friction factor f=0.04 and ignoring minor losses due to bend etc

1.  218lit/sec

2.  318lit/sec

3.  418lit/sec

4.  618lit/sec

4

418lit/sec

Explanation :
No Explanation available for this question

# The diameter of uniform pipe to replace a compound pipeline having the following elements will be i)1000m of 50cm diameter ii)500m of 40cm diameter iii)250m of 30cm diameter (The total length should remain the same)

1.  38cm

2.  39cm

3.  40cm

4.  42cm

4

39cm

Explanation :
No Explanation available for this question

# Some computer systems support dual mode operation –the user mode and the supervisor or monitor mode.These refer to the modes

1.  by which user programs handle their data

2.  by which the operating system excutes user programs

3.  in which the processor and the associated hardware operate

4.   of memory acess

4

in which the processor and the associated hardware operate

Explanation :
No Explanation available for this question

# Water (ρ=1000kg/m3) flows horizontally through a nozzle in to the atmosphere under the conditions given.(assume steady state flow) An inlet A1=10-3m2;V1=2m/sec P1=3*105Pa(gauge) At outlet:A2=10-4m2; P2=Patm The external horizental force needed to keep the nozzle in place will be

1.  233N

2.  243N

3.  253N

4.  263N

4

253N

Explanation :
No Explanation available for this question

# A venturimeter have throat diameter =10.5 is fitted to a water pipe line(internal diameter=21.0cm)in order to monitor flow rate.To improve accuracy of measurement, pressure difference across the venturi is measured with the help of an inclined tube manometer the angle of inclination being 300 as shown in fig. For the manometer reading of 9.5cm of mercury, find the flow rate. Take coefficient of discharge of venture is 0.984.

1.  0.01m3/sec

2.  002m3/sec

3.  0.03m3/sec

4.  0.04m3/sec

4

0.03m3/sec

Explanation :
No Explanation available for this question

# Power expanded by the flow in a distance of 12 m will be

1.  12.24kw

2.  16.24kW

3.  20.24kW

4.  14.24kW

4

16.24kW

Explanation :
No Explanation available for this question

# For the water is flowing through a 20cm diameter pipe with friction factor f=0.04. The flow is

1.  Viscous

2.  Non viscous

3.  Both a and b

4.  None of these

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