Corrosion of a pipe (A) Reduces its life span (B) Reduces its carrying capacity (C) Adds colour to water (D) All the above

Corrosion of a pipe
(A) Reduces its life span
(B) Reduces its carrying capacity
(C) Adds colour to water
(D) All the above
by

1 Answer

Answer :

(D) All the above
by

Related questions

Pick up the correct statement from the following: (A) Deposition of calcium carbonate on the inside of the well pipe, causes incrustation of the pipe (B) Incrustation of the pipe reduces the discharge (C) Acidic waters cause corrosion of the pipes (D) All the above

Description : Pick up the correct statement from the following:  (A) Deposition of calcium carbonate on the inside of the well pipe, causes incrustation of the  pipe  (B) Incrustation of the pipe reduces the discharge  (C) Acidic waters cause corrosion of the pipes  (D) All the above 

Last Answer : (D) All the above 

Which gas in polluted air reduces the oxygen carrying capacity of blood in human body ?

Description : Which gas in polluted air reduces the oxygen carrying capacity of blood in human body ?

Last Answer : Carbon monoxide gas from polluted air reduces the oxygen carrying capacity of blood in human body.

Pollutant that reduces `O_(2)`-carrying capacity of blood is

Description : Pollutant that reduces `O_(2)`-carrying capacity of blood is

Last Answer : Pollutant that reduces `O_(2)`-carrying capacity of blood is A. `SO_(2)` B. CO C. `CO_(2)` D. None of the above

Which of the following gases reduces the oxygen carrying capacity of the blood?

Description : Which of the following gases reduces the oxygen carrying capacity of the blood?

Last Answer : Carbon monoxide

Disinfection of water with ozone is not good because (A) It vanishes before water reaches the consumers (B) It removes the colour, taste and odour from water as bacterias (C) It adds taste to the water(D) It is more efficient than chlorine in killing bacterias

Description : Disinfection of water with ozone is not good because  (A) It vanishes before water reaches the consumers  (B) It removes the colour, taste and odour from water as bacterias  (C) It adds taste to the water (D) It is more efficient than chlorine in killing bacterias 

Last Answer : (D) It is more efficient than chlorine in killing bacterias 

Identification of pipelines carrying different liquids and gases is done by the __________ of the pipe(A) Diameter(B) Colour(C) Altitude(D) None of these.

Description : Identification of pipelines carrying different liquids and gases is done by the __________ of the pipe. (A) Diameter (B) Colour (C) Altitude (D) None of these

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Consider the following statements: Sinking of an intermediate support of a continuous beam 1. Reduces the negative moment at support. 2. Increases the negative moment at support. 3. Reduces the positive moment at support. 4. Increases the positive moment at the centre of span. Of these statements (A) 1 and 4 are correct (B) 1 and 3 are correct (C) 2 and 3 are correct (D) 2 and 4 are correct

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Last Answer : (A) 1 and 4 are correct

Sinking of an intermediate support of a continuous beam (i) Reduces the negative moment at support (ii) Increases the negative moment at support (iii) Reduces the positive moment at center of span (iv) Increases the positive moment at center of span The correct answer is (A) (i) and (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv)

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Last Answer : Answer: Option B

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

A simply supported beam carrying a uniformly distributed load over its whole span, is propped at the centre of the span so that the beam is held to the level of the end supports. The reaction of the prop will be (A) Half the distributed load (B) 3/8th the distributed load (C) 5/8th the distributed load (D) Distributed load

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Last Answer : (C) 5/8th the distributed load 

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Last Answer : (D) All the above

The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is (A) WL3 /3EL (B) WL3 /8EL (C) WL3 /24EL (D) WL3 /48EL

Description : The maximum deflection of a simply supported beam of span L, carrying an isolated load at the  centre of the span; flexural rigidity being EI, is  (A) WL3 /3EL (B) WL3 /8EL (C) WL3 /24EL (D) WL3 /48EL

Last Answer : (D) WL3 /48EL

If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span, (A) Horizontal thrust is wl2 /8h (B) S.F. will be zero throughout (C) B.M. will be zero throughout (D) All the above

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Last Answer : (D) All the above 

The maximum deflection of (A) A simply supported beam carrying a uniformly increasing load from either end and having the apex at the mid span is WL3 /60EI (B) A fixed ended beam carrying a distributed load over the span is WL3 /384EI (C) A fixed ended beam carrying a concentrated load at the mid span is WL3 /192EI (D) All the above

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Last Answer : (D) All the above 

If a rectangular pre-stressed beam of an effective span of 5 meters and carrying a total load 3840 kg/m, is designed by the load balancing method, the central dip of the parabolic tendon should be (A) 5 cm (B) 10 cm (C) 15 cm (D) 20 cm

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Last Answer : Answer: Option B

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Last Answer : Answer: Option B

A pressure conduit carrying water beneath a stream or a canal, is known as (A) Sag (B) Depressed pipe (C) Inverted syphon (D) All the above

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Last Answer : (D) All the above 

A reduction of nitrogen nutrient in plants: (A) Affects leaf colour (B) Reduces pigment concentration (C) Increase the visible reflectivity (D) All of these

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Rise of water table in cohesion-less soils upto ground surface reduces the net ultimate bearing capacity approximately by (A) 25 % (B) 50 % (C) 75 % (D) 90 %

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Pick up the correct statement from the following: (A) Large solids carried along the river bed, is known as bed load (B) The fine sediment deposits are generally near the face of the dam (C) Deposition of sediment in the reservoir, reduces the capacity of the reservoir (D) All the above

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Last Answer : (D) All the above 

Due to circumferential action of the spiral in a spirally reinforced column (A) Capacity of column is decreased (B) Ductility of column reduces (C) Capacity of column is decreased but ductility of column increases (D) Both the capacity of column and ductility of column increase

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Last Answer : Answer: Option D

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Out of the following, the __________ pipe has the least corrosion resistance. (A) Mild steel (B) Copper (C) Cast iron (D) Wrought iron

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A pile is being driven with a drop hammer weighing 1800 kg and having a free fall of 1.00 m. If the penetration with last blow is 5 mm, the load carrying capacity of the pile, -according to the Engineering News formula, is (A) 100 tonnes (B) 50 tonnes (C) 20 tonnes (D) 10 tonnes

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Last Answer : (D) 10 tonnes

The maximum load carried by a pile, when it continues to sink without further increase of load, is known as (A) Ultimate load carrying capacity (B) Ultimate bearing capacity (C) Ultimate bearing resistant (D) All the above

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The traffic carrying capacity of a single lane, depends on (A) Type of the vehicles (B) Level crossings (C) Road intersections (D) All the above

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Last Answer : Answer: Option D

The load carrying capacity of a helically reinforced column as compared to that of a tied column is about (A) 5 % less (B) 10 % less (C) 5 % more (D) 10 % more

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For a wall carrying heavy load on low bearing capacity soil, (A) Lean concrete bed is provided (B) Thick concrete bed is provided (C) Reinforced concrete bed is provided (D) Both (a) and (c) of the above

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Last Answer : Answer: Option D

The purpose of lateral ties in short R.C. columns is to (a) Increase the load carrying capacity of column (b) Facilitate compaction of concrete (c) Facilitate construction (d) Avoid buckling of longitudinal bars

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Last Answer : (d) Avoid buckling of longitudinal bars

The load carrying capacity of helically reinforced column as compared to that of column with ties is about [ A ] 5% less [ B ] 5% more [ C ] 10% less [ D ] 10% more`

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Last Answer : [ B ] 5% more

The purpose of lateral ties in short reinforced concrete columns is to [ A ] Facilitate construction [ B ] Facilitate compaction of concrete [ C ] Increase the load carrying capacity of the columns [ D ] Avoid buckling of longitudinal bars

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Last Answer : [ D ] Avoid buckling of longitudinal bars

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Last Answer : d. reduces R&D cycle time.

If span is 150 mts and sag is 10 ft of a cable carrying a load of 3200 kg per horizontal metre then tension of ends is a.104,000 kg b.107 dynes c.1200,000 kg d.932,000 kg e.584,000 kg

Description : If span is 150 mts and sag is 10 ft of a cable carrying a load of 3200 kg per horizontal metre then tension of ends is a.104,000 kg b.107 dynes c.1200,000 kg d.932,000 kg e.584,000 kg

Last Answer : d. 932,000 kg

In a simply supported beam carrying a uniformly distributed load over the left half span, the point of contraflexure will occur in (a) Left half span of the beam (b) Right half span of the beam. (c) Quarter points of the beam (d) Does not exist

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Last Answer : (d) Does not exist

The shear force at the centre of a simply supported beam of span l carrying a uniformly distributed load of w per unit length over the whole span is (a) wl (b) wl/2 (c) wl/4 (d) Zero

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Last Answer : (d) Zero

The steel pile which is generally sunk in soft clay or loose sand of low bearing capacity, is (A) H-pile (B) Pipe pile (C) Screw pile (D) Disc pile

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In soft clay of low bearing capacity, the type of steel pile generally used, is (A) H-pile (B) Screw pile (C) Disc pile (D) Pipe pile

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I. `H_(2)S` reduces acidified `KMnO_(4)` to `MnSO_(4)` II. `H_(2)S` reduces acidified `K_(2)Cr_(2)O_(7)` to red colour `Cr_(2)(SO_(4))_(3)` III. `H_(2

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Last Answer : I. `H_(2)S` reduces acidified `KMnO_(4)` to `MnSO_(4)` II. `H_(2)S` reduces acidified `K_(2)Cr_(2) ... and III C. only II and III D. I,II,III and IV

The dynamic load-carrying capacity of a bearing is defined as the radial load in radial bearings that can be carried for a minimum life of 1000 revolutions. (a) True (b) False

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Last Answer : (b) False

The dynamic load carrying capacity of a bearing is defined as the radial load in radial bearings that can be carried for a minimum life of 1000 revolutions. a) True b) False

Description : The dynamic load carrying capacity of a bearing is defined as the radial load in radial bearings that can be carried for a minimum life of 1000 revolutions. a) True b) False

Last Answer : b) False

During ageing of fluid carrying pipes, the (A) Pipe becomes smoother with use (B) Friction factor increases linearly with time (C) Absolute roughness decreases with time (D) Absolute roughness increases linearly with time

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Last Answer : (D) Absolute roughness increases linearly with time

Disc compensators are provided in large diameter fuel gas carrying pipelines to (A) Keep the pipe in proper orientation (B) Make the pipe joint leak-proof (C) Account for contraction/expansion of pipe due to temperature changes of the surroundings (D) Account for the pressure variation side the pipeline

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Last Answer : (C) Account for contraction/expansion of pipe due to temperature changes of the surroundings

_________ pipe is the most suitable for carrying sanitary drainage. (A) Stainless steel (B) Reinforced cement concrete (C) Cast iron (D) Asbestos cement

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Last Answer : C) Cast iron

Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans? (A) Emissivity of pipe surface (B) Diameter & length of the pipe (C) Temperature of hot pipe surface & that of air in the room (D) None of thes

Description : Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans? (A) Emissivity of pipe surface (B) Diameter & length of the pipe (C) Temperature of hot pipe surface & that of air in the room (D) None of thes

Last Answer : Option D

Refraction correction (A) Completely eliminates curvature correction (B) Partially eliminates curvature correction (C) Adds to the curvature correction (D) Has no effect on curvature correction

Description : Refraction correction (A) Completely eliminates curvature correction (B) Partially eliminates curvature correction (C) Adds to the curvature correction (D) Has no effect on curvature correction

Last Answer : (B) Partially eliminates curvature correction

Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is (A) Black (B) Silver grey (C) Green (D) Yellow

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Which of the following is an incorrect statement relating to the theoretical framework of auditing? a. Effective internal control structure reduces the probability of fraud or irregularities in an organization. b. Application of generally accepted accounting principles results in a fair presentation of financial statements. c. When examining financial data foropinion thereon, the auditor actsexclusively in the capacity of an auditor.d. In collecting evidence, auditorsshould maintain an attitude of trustabout their clients' assertions. the purpose of expressing an independent

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Last Answer : In collecting evidence, auditors should maintain an attitude of trust about their clients' assertions.