The pipe wall thickness is minimum for a pipe of given nominal size having schedule number (A) 160 (B) 120 (C) 80 (D) 40

The pipe wall thickness is minimum for a pipe of given nominal size
having schedule number
(A) 160
(B) 120
(C) 80
(D) 40
by

1 Answer

Answer :

(D) 40
by

Related questions

With increase in the schedule number of a pipe of a particular nominal size, the (A) Wall thickness also increases (B) I.D. of the pipe decreases (C) O.D. of the pipe remains constant (D) All (A), (B) and (C)

Description : With increase in the schedule number of a pipe of a particular nominal size, the (A) Wall thickness also increases (B) I.D. of the pipe decreases (C) O.D. of the pipe remains constant (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

The schedule number of a pipe is an indication of its (A) Size (B) Roughness (C) Material density (D) Wall thickness

Description : The schedule number of a pipe is an indication of its (A) Size (B) Roughness (C) Material density (D) Wall thickness

Last Answer : (D) Wall thickness

Schedule number of a pipe, which is a measure of its wall thickness, is given by (A) 1000 P'/S (B) 100 P'/S (C) 1000 S/P' (D) 10000 P'/S

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Nominal Pipe Size (NPS) of a pipe less than 12 inches in diameter indicates its(A) Inner diameter(B) Outer diameter(C) Thickness(D) Neither inner nor outer diameter

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The nominal size of a hose pipe is specified by its (A) I.D. (B) O.D. (C) Thickness (D) None of these

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4725,1050,300,120,80,? 1 : 40 2 : 160 3 : 120 4 : 110 5 : 60

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Last Answer : (D) 160

For lapped joints, which of the following is the minimum finished height of face? a) Not less than the nominal pipe wall. b) Not less than .25". c) At least .060". d) 3/8".

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A composite flat wall of a furnace is made of two materials 'A' and 'B'. The thermal conductivity of 'A' is twice of that of material 'B', while the thickness of layer of 'A' is half that of B. If the temperature at the two sides of the wall are 400 and 1200°K, then the temperature drop (in °K) across the layer of material 'A' is (A) 125 (B) 133 (C) 150 (D) 160

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Last Answer : (D) 160

Station A uses 32 byte packets to transmit messages to Station B using a sliding window protocol. The round trip delay between A and B is 80 milliseconds and the bottleneck bandwidth on the path between A and B is 128 kbps. What is the optimal window size that A should use? a. 20 b. 40 c. 160 d. 320

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Last Answer : b. 40

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Description : Normal blood pressure reading of an adult human : (1) 80/120 mm Hg (2) 120/80 mm Hg (3) 130/90 mm Hg (4) 160/95 mm Hg

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Normal blood pressure of man is – (1) 80/120 mm Hg (2) 90/140 mm Hg (3) 120/160 mm Hg (4) 85/150 mm Hg

Description : Normal blood pressure of man is – (1) 80/120 mm Hg (2) 90/140 mm Hg (3) 120/160 mm Hg (4) 85/150 mm Hg

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What is the pressure range between which Lamont boiler operator ? a. 80-120 bar b. 120-160 bar c. 180-360 bar d. 450-560 bar

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Last Answer : b. 120-160 bar

Normal blood pressure reading of an adult human : (1) 80/120 mm Hg (2) 120/80 mm Hg (3) 130/90 mm Hg (4) 160/95 mm Hg

Description : Normal blood pressure reading of an adult human : (1) 80/120 mm Hg (2) 120/80 mm Hg (3) 130/90 mm Hg (4) 160/95 mm Hg

Last Answer :  120/80 mm Hg

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Last Answer : 80/120 mm Hg

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Last Answer : (C) Approximate

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What is the limit of MG/DL, of blood sugar in the normal person at the time of fast? (1) 40-60 (2) 120-150 (3) 70-100 (4) 160-200

Description : What is the limit of MG/DL, of blood sugar in the normal person at the time of fast? (1) 40-60 (2) 120-150 (3) 70-100 (4) 160-200

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What is the limit of MG/DL of blood sugar in the normal person at the time of fast ? (1) 40-60 (2) 120-150 (3) 70-100 (4) 160-200

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For reinforced concrete work, aggregates having a nominal size of -------- are generally used [ A ] 20 mm [ B ] 40 mm [ C ] 50 mm [ D ] 60 mm

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The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is(A) 2.36(B) 4.36(C) 120.36(D) Dependent on NRe only

Description : The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is (A) 2.36 (B) 4.36 (C) 120.36 (D) Dependent on NRe only

Last Answer : (B) 4.36

I.D. of 1/4" schedule 40 pipe is 0.364". I.D. of a 1/2" schedule 40 pipe would be __________ inch (A) 4.728 (B) 0.5 (C) 0.622 (D) 0.474

Description : I.D. of 1/4" schedule 40 pipe is 0.364". I.D. of a 1/2" schedule 40 pipe would be __________ inch (A) 4.728 (B) 0.5 (C) 0.622 (D) 0.474

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Suppose that the one-way propagation delay for a 100 Mbps Ethernet having 48-bit jamming signal is 1.04 micro-seconds. The minimum frame size in bits is: a. 112 b. 160 c. 208 d. 256

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Last Answer : d. 256

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Description : Bucket A has twice the capacity as bucket B. It takes 120 turns for bucket A to fill the empty dumper. How many turns it will take for both the buckets A and B, having each turn together to fill the empty dumper. A) 40 B) 50 C) 70 D) 80

Last Answer : D Let capacity of A be x litres Then capacity of B = x/2 litres Capacity of the dumper = 120x litres Required number of turns = 120x/ x =x/2 = 2 (120x)/3x =2430x/3x =80.

A four pole turbogenerator is used in conjunction with a 160 pole propulsion motor. If the generator is turning at 3,200 RPM, what is the current speed of the propeller? A. 40 RPM B. 60 RPM C. 80 RPM D. 100 RPM

Description : A four pole turbogenerator is used in conjunction with a 160 pole propulsion motor. If the generator is turning at 3,200 RPM, what is the current speed of the propeller? A. 40 RPM B. 60 RPM C. 80 RPM D. 100 RPM

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pulse rate of chicken?a 70-80/min b 40-80/ min c 130-160/min d 180-195/min

Description : pulse rate of chicken?a 70-80/min b 40-80/ min c 130-160/min d 180-195/min

Last Answer : c 130-160/min

The power per unit velocity of a wave with electric field as 8 units and density 10 units is a) 40 b) 20 c) 80 d) 160

Description : The power per unit velocity of a wave with electric field as 8 units and density 10 units is a) 40 b) 20 c) 80 d) 160

Last Answer : c) 80

Two coal trains, one southbound, the other westbound, reach an over and under crossing at the same instant and each proceed at 40 kilometers per hour on their respective courses. Approximately how far apart are the lead cars two hours later, to the nearest kilometer? w) 80 x) 113 y) 136 z) 160

Description : Two coal trains, one southbound, the other westbound, reach an over and under crossing at the same instant and each proceed at 40 kilometers per hour on their respective courses. Approximately how far apart are the lead cars two hours later, to the nearest kilometer? w) 80 x) 113 y) 136 z) 160

Last Answer : ANSWER: X -- 113 

A radio station is broadcasting at 3750 khz (kilohertz). This station would be found in which radio band? w) 20 meter x) 40 meter y) 80 meter z) 160 meter

Description : A radio station is broadcasting at 3750 khz (kilohertz). This station would be found in which radio band? w) 20 meter x) 40 meter y) 80 meter z) 160 meter 

Last Answer : ANSWER: Y -- 80 METER 

The world population growth rate at a certain reference year was 3.5%. Assuming exponential growth of population, after how many years, the population of the world would have increased by a factor 16 ? (A) ~ 80 years (B) ~ 40 years (C) ~ 160 years (D) ~ 320 years

Description : The world population growth rate at a certain reference year was 3.5%. Assuming exponential growth of population, after how many years, the population of the world would have increased by a factor 16 ? (A) ~ 80 years (B) ~ 40 years (C) ~ 160 years (D) ~ 320 years

Last Answer : Answer: A

The minimum depth of building foundations on (A) Sandy soils is 80 cm to 100 cm (B) Clay soils is 90 cm to 160 cm (C) Rocky soils is 5 cm to 50 cm (D) All the above

Description : The minimum depth of building foundations on (A) Sandy soils is 80 cm to 100 cm (B) Clay soils is 90 cm to 160 cm (C) Rocky soils is 5 cm to 50 cm (D) All the above

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A column is said to be of medium size if its slenderness ratio is between (A) 20 and 32 (B) 32 and 120 (C) 120 and 160(D) 160 and 180

Description : A column is said to be of medium size if its slenderness ratio is between (A) 20 and 32 (B) 32 and 120 (C) 120 and 160 (D) 160 and 180

Last Answer : (B) 32 and 120

A column is said to be of medium size if its slenderness ratio is between (a) 20 and 32 (b) 32 and 120 (c) 120 and 160 (d) 160 and 180

Description : A column is said to be of medium size if its slenderness ratio is between (a) 20 and 32 (b) 32 and 120 (c) 120 and 160 (d) 160 and 180

Last Answer : (b) 32 and 120

A 300mm diameter pipe, 5mm wall thickness is to be radiographed using the double wall single image technique. The source to be used is Iridium. Which of the following statements is true? a) It should not be done because the thickness is below that recommended b) It should be better to use a cobalt 60 source in this instance c) There is no problem with the technique d) Only the double wall, double image technique should be used with Iridium

Description : A 300mm diameter pipe, 5mm wall thickness is to be radiographed using the double wall single image technique. The source to be used is Iridium. Which of the following statements is true? a) ... problem with the technique d) Only the double wall, double image technique should be used with Iridium

Last Answer : c) There is no problem with the technique

The nominal size of the modular brick is (A) 190 mm × 90 mm × 80 mm (B) 190 mm × 190 mm × 90 mm (C) 200 mm × 100 mm × 100 mm (D) 200 mm × 200 mm × 100 mm

Description : The nominal size of the modular brick is (A) 190 mm × 90 mm × 80 mm (B) 190 mm × 190 mm × 90 mm (C) 200 mm × 100 mm × 100 mm (D) 200 mm × 200 mm × 100 mm

Last Answer : Answer: Option C

What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate? (A) 0.5 (B) 1 (C) 1.5 (D) 2

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Last Answer : (A) 0.5

The difference in the reservoir level and the lowest point of the water mains is 180 m. The expected pressure due to water hammer is 7.5 kg/cm2 in a pressure conduit of diameter 1 m. Assuming the efficiency of the riveted joints of the pipe as 0.6 and minimum cover 3 mm for corrosion, the thickness of the pipe materials, is (A) 10 mm (B) 15 mm (C) 20 mm (D) 25 mm

Description : The difference in the reservoir level and the lowest point of the water mains is 180 m. The  expected pressure due to water hammer is 7.5 kg/cm2  in a pressure conduit of diameter 1 m.  Assuming the efficiency of the ... , is  (A) 10 mm  (B) 15 mm  (C) 20 mm  (D) 25 mm 

Last Answer : (C) 20 mm

What is the minimum thickness of hub at the welding end per ASME B16.5? a) The numeral pipe thickness. b) 87 ½% of the pipe thickness. c) 112 ½% of the pipe thickness. d) .25".

Description : What is the minimum thickness of hub at the welding end per ASME B16.5? a) The numeral pipe thickness. b) 87 ½% of the pipe thickness. c) 112 ½% of the pipe thickness. d) .25".

Last Answer : b) 87 ½% of the pipe thickness.

For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of A. 100 cm B. 120 cm C. 140 cm D. 160 cm

Description : For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of A. 100 cm B. 120 cm C. 140 cm D. 160 cm

Last Answer : ANS: D

For a given ambient air temperature with increase in the thickness of insulation of a hot cylindrical pipe, the rate of heat loss from the surface would (A) Decrease(B) Increase(C) First decrease and then increase(D) First increase and then decrease

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Last Answer : (D) First increase and then decrease