(1) the diameter at the smaller end in meter (ii) the diameter at the larger end in meter (1 (ii) the pressure head at the larger end of the tube in m of water (iv) the head loss in m of water

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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C2. A conical tube is fixed vertically with its
smaller end upwards and it forms a part of the
pipeline. The velocity at the smaller end is 5.2 m/s
and at the larger end is 1.9 m/s. The length of the
conical tube is 1.9 m and the flow rate of the water
is 129 liters/s. The pressure at the smaller end is
equivalent to a head of 10.9 m of water.
Considering the following two cases:
(1) Neglecting friction, (without head loss)
determine (i) the diameter at the smaller end in
meter, (ii) the diameter at the larger end in meter,
and (ii) the pressure at the larger end of the tube
in m of water.
(2) If a head loss (with head loss)in the tube,h=
0.0153(V1-V2)² , where V1 is the velocity at the
smaller end and V2 is the velocity at the larger end,
determine (iv) the head loss in m of water and (v)
the pressure at the larger end of the tube in m of
water.
(Enter only the values by referring to the unit
given. Also, upload the handwritten answers
in the link provided)
(i) the diameter at the smaller end in meter (1
(ii) the diameter at the larger end in meter
(1
(iii) the pressure head at the larger end of the tube
in m of water
(iv) the head loss in m of water
(v) the pressure head at the larger end of the tube
in m of water.
Transcribed Image Text:C2. A conical tube is fixed vertically with its smaller end upwards and it forms a part of the pipeline. The velocity at the smaller end is 5.2 m/s and at the larger end is 1.9 m/s. The length of the conical tube is 1.9 m and the flow rate of the water is 129 liters/s. The pressure at the smaller end is equivalent to a head of 10.9 m of water. Considering the following two cases: (1) Neglecting friction, (without head loss) determine (i) the diameter at the smaller end in meter, (ii) the diameter at the larger end in meter, and (ii) the pressure at the larger end of the tube in m of water. (2) If a head loss (with head loss)in the tube,h= 0.0153(V1-V2)² , where V1 is the velocity at the smaller end and V2 is the velocity at the larger end, determine (iv) the head loss in m of water and (v) the pressure at the larger end of the tube in m of water. (Enter only the values by referring to the unit given. Also, upload the handwritten answers in the link provided) (i) the diameter at the smaller end in meter (1 (ii) the diameter at the larger end in meter (1 (iii) the pressure head at the larger end of the tube in m of water (iv) the head loss in m of water (v) the pressure head at the larger end of the tube in m of water.
Question 27
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C3. An oil of specific gravity 0.8 is flowing through
a horizontal venturimeter fitted to a 254 mm
diameter pipe at the rate of 106 liters/s and throat
diameter is 80 mm. The entrance and throat of the
venturimeter are connected in the two limbs of a
U-tube mercury manometer. The difference in
mercury level shows 775 mm. Calculate (i) the
head difference in m of oil, (ii) the theoretical
discharge in m3/s, (iii) the actual discharge in m3/s,
and (iv) the coefficient of discharge of a
venturimeter. If instead of a U-tube mercury
manometer, the pressure gauges are inserted at
the entrance and throat of venturimeter. Find (v)
the pressure at the throat in N/mm2, if the entrance
pressure gauge shows0.15 N/mm2.
(Enter only the values by referring to the unit
given. Also, upload the handwritten answers
in the link provided)
(i) the head difference in m of oil
(ii) the theoretical discharge in m³/s
(iii) the actual discharge in m3/s
(iv) the coefficient of discharge
(v) the pressure at the throat in N/mm2
Transcribed Image Text:Question 27 Not yet answered Marked out of 7.00 P Flag question C3. An oil of specific gravity 0.8 is flowing through a horizontal venturimeter fitted to a 254 mm diameter pipe at the rate of 106 liters/s and throat diameter is 80 mm. The entrance and throat of the venturimeter are connected in the two limbs of a U-tube mercury manometer. The difference in mercury level shows 775 mm. Calculate (i) the head difference in m of oil, (ii) the theoretical discharge in m3/s, (iii) the actual discharge in m3/s, and (iv) the coefficient of discharge of a venturimeter. If instead of a U-tube mercury manometer, the pressure gauges are inserted at the entrance and throat of venturimeter. Find (v) the pressure at the throat in N/mm2, if the entrance pressure gauge shows0.15 N/mm2. (Enter only the values by referring to the unit given. Also, upload the handwritten answers in the link provided) (i) the head difference in m of oil (ii) the theoretical discharge in m³/s (iii) the actual discharge in m3/s (iv) the coefficient of discharge (v) the pressure at the throat in N/mm2
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