A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm2. (A) 6 (B) 18 (C) 38 (D) 52

A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm2.
(A) 6
(B) 18
(C) 38
(D) 52
by

1 Answer

Answer :

(B) 18
by

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Which type of boiler is used critical pressure……….. A. Benson boiler. B. Water tube boiler. C. Fire tube. D. Steam boiler

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If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is (A) 37 cm (B) 38 cm (C) 39 cm (D) 40 cm

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Last Answer : Answer: Option D

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Percentage of straight run gasoline in a typical crude oil may be around (A) 6 (B) 18 (C) 38 (D) 52

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Function of fusible plug in a boiler is to (A) Drain out water and sludge from the boiler during repair (B) Put off fire in the furnace when water level in the boiler falls to unsafe limit (C) Guard the boiler in case of abnormal rise in steam pressure (D) All (A), (B) & (C)

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Last Answer : (B) Drain out water and sludge during its repair

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n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In each batch about 120 kgs of material is dried. a. The quantity of moisture removed per batch. b. What is the total quantity ( sensible & latent) of heat required to evaporate the moisture, if the latent heat of water is 540 kcal/kg at atmospheric conditions, Ignore heat absorbed by the solids c. Find the quantity of steam required for the drying process (per batch), if steam at 4 kg/cm2 is used for generating hot air in the dryer and the dryer efficiency is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.

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Last Answer : Given that   Qty of material dried per batch - 120 Kgs  Moisture at inlet - 60% a. The quantity of moisture removed per batch.  Water quantity in a wet batch - 120 x 0.6 = 72 Kgs.  Quantity of bone dry ... - 48/0.95 = 50.5 Kgs.  Equivalent water in a dry batch - 50.5 - 48 = 2.5 Kgs.

Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about __________ kg/cm2 . (A) 1.5 (B) 3 (C) 6 (D) 12

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The temperature of boiling water in a steam engine may be high because : (1) there are dissolved substances in water (2) there is low pressure inside the boiler (3) there is high pressure inside the boiler (4) the fire is at very high temperature

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Pick up the incorrect statement from the following regarding fire hydrants (A) Fire hydrants are fitted in water mains at 100 m to 150 m apart at fire (B) The minimum water pressure hydrants, is kept 1.5 kg/cm2 (C) The water at pressure 1 to 1.5 kg/cm2 is made available for 4 to 5 hours for constant use (D) None of these

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A 8 metre long simply supported rectangular beam which carries a distributed load 45 kg/m. experiences a maximum fibre stress 160 kg/cm2 . If the moment of inertia of the beam is 640 cm4 , the overall depth of the beam is (A) 10 cm (B) 12 cm (C) 15 cm (D) 18 cm

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Last Answer : Ans: C

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Description : I am 18 years old. Height 5 feet 6 inches Weight 52 kg. I am studying in Inter 2nd year. I got 3.39 from science department in SSC. Will I get a job in the army now ? I am 18 years old. Height 5 ... in Inter 2nd year. I got 3.39 from science department in SSC. Will I get a job in the army now ?

Last Answer : A minimum GPA of 3.50 is required to join the army as well as other qualifications. You can't even apply for this point in your SSC . If you get 3.50 or more in HSC exam and have other qualifications, you can apply for the post of Army soldier. Thank you!

I am 18 years old. Height 5 feet 6 inches Weight 52 kg. I am in Inter 1st year. I got 3.22 from business department in SSC. Will I get a job in the army now ? I am 18 years old. Height 5 feet 6 inches Weight 52 kg. I am in Inter 1st year. I got 3.22 from business department in SSC. Am I in the army

Description : I am 18 years old. Height 5 feet 6 inches Weight 52 kg. I am in Inter 1st year. I got 3.22 from business department in SSC. Will I get a job in the army now ? I am 18 years old. Height 5 feet 6 ... 52 kg. I am in Inter 1st year. I got 3.22 from business department in SSC. Am I in the army now?

Last Answer : Yes brother you can apply , now people are being recruited in GPA-3.000 in army. However, your height is low. So try to increase. Thank you!

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A circular shaft subjected to torsion undergoes a twist of 10in a length of 120 cm. If the maximum shear stress induced is limited to 1000 kg/cm2and if modulus of rigidity G = 0.8 x 106then the radius of the shaft should be (a) p/8 (b) p/27 (c) 18/p (d) 27/p

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Last Answer : Heat supplied Q = m (h2-h1) …….(Steady flow energy equation for boiler) ; h2=3200 KJ/kg h1=2000 KJ/kg m = 10 Tons /hour = (10 x 1000)/3600 kg/sec = 2.77 Kg/sec Q = 2.77(3200-2000) = 3324 KJ/sec heat supplied for 10 Tons/hr steam generation

Water tube boilers produces steam at a________ pressure than that of fire tube boilers. a) Higher b) Lower c) Same d) None of the above

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Last Answer : d) Vertical fire tube type

Differentiate between water tube boiler and fire tube boiler

Description : Differentiate between water tube boiler and fire tube boiler

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Differentiate water tube boiler and fire tube boilers

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Description : If a rectangular beam measuring 10 × 18 × 400 cm carries a uniformly distributed load such that the bending stress developed is 100 kg/cm2 . The intensity of the load per metre length, is (A) 240 kg (B) 250 kg (C) 260 kg (D) 270 kg

Last Answer : (B) 250 kg

If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm2 and 1400 kg/cm2 respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, is (A) 0.496 % (B) 0.596 % (C) 0.696 % (D) 0.796 %

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The maximum compressive stress at the top of a beam is 1600 kg/cm2 and the corresponding tensile stress at its bottom is 400 kg/cm2 . If the depth of the beam is 10 cm, the neutral axis from the top, is(A) 2 cm (B) 4 cm (C) 6 cm (D) 8 cm

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Last Answer : (D) 8 cm

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Last Answer : Answer: Option A

If the maximum shear stress at the end of a simply supported R.C.C. beam of 16 m effective span is 10 kg/cm2 , the length of the beam having nominal reinforcement, is (A) 8 cm (B) 6 m (C) 8 m (D) 10 m

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advice on Calboral-D ? A friend of mine had a weak body and not much flesh on his cheeks. He ate Calboral-D . My body is not weak but a little depressed. I don't do bad things. But sometimes there are nightmares. I am 18 years 5 months old , weight: 52 kg. I want to eat it as well as eat nutritious food. Can it be eaten , if it can be eaten, how much should I eat at any time of the day?

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Last Answer : a) 6-10 kg/cm2

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