The atmospheric pressure at sea level is (A) 103 kN/m2 (B) 10.3 m of water (C) 760 mm of mercury (D) All of these

The atmospheric pressure at sea level is
(A) 103 kN/m2
(B) 10.3 m of water
(C) 760 mm of mercury
(D) All of these
by

1 Answer

Answer :

Answer: Option D
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Related questions

A simply supported beam carries uniformly distributed load of 20 kN/m over the length of 5 m. If flexural rigidity is 30000 kN.m2, what is the maximum deflection in the beam? a. 5.4 mm b. 1.08 mm c. 6.2 mm d. 8.6 mm

Description : A simply supported beam carries uniformly distributed load of 20 kN/m over the length of 5 m. If flexural rigidity is 30000 kN.m2, what is the maximum deflection in the beam? a. 5.4 mm b. 1.08 mm c. 6.2 mm d. 8.6 mm

Last Answer : a. 5.4 mm

A pressure of 10 m head of water is equivalent to __________ kN/m2 . (A) 98 (B) 147 (C) 196 (D) 49

Description : A pressure of 10 m head of water is equivalent to __________ kN/m2 . (A) 98 (B) 147 (C) 196 (D) 49

Last Answer : (A) 98

The specific weight of water in S.I. units is taken as (A) 9.81 kN/m3 (B) 9.81 × 103 N/m3 (C) 9.81 × 10-6 N/mm3 (D) Any one of these

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The power of a locomotive is 315 kW and the total weight of the train is 2000 kN. If the track resistance is 15 N per kN, the maximum speed that the locomotive can attain on level track will be a.43 kmph b.83 kmph c.103 kmph d.107 dynes e.38 kmph

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The power of a locomotive is 315 kW and the total weight of the train is 2000 kN. If the track resistance is qN per kN, the maximum speed that the locomotive can attain on level track will be a.103 kmph b.83 kmph c.107 dynes d.43 kmph e.63 kmph

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The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface) (A) w (B) wh (C) w/h (D) h/w

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Last Answer : Answer: Option B

Consider the following statements: 1. Buried service lines should be avoided in an expansive soil region. 2. A swelling pressure less than 20 kN/m2 is not of much consequence. 3. If soil is not black in colour, it is unlikely to be an expansive soil. Which of these statements are correct? (a) 1, 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

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You are given a mercury manometer range 0 -760 mm ? A vacuum gauge reads 60 mm vacuum. The test manometer reads 50 vacuum ? Which of the two in correct.

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A rectangle-shaped open-to-sky tank of water has a length of 2 m and a width of 1 m. If the atmospheric pressure is assumed to be 100 kPa and thickness of the tank walls is assumed to be negligible, the force exerted by the atmosphere on the surface of water is A. 20 kN B. 50 kN C. 100 kN D. 200 kN

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A simply supported beam deflects by 5 mm when it is subjected to a concentrated load of 10 kN at its centre. What will be deflection in a 1/10 model of the beam if the model is subjected to a 1 kN load at its centre? (A) 5 mm (B) 0.5 mm (C) 0.05 mm (D) 0.005 mm

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Last Answer : (A) 5 mm

A normally consolidated clay settled 10 mm when effective stress was increased from 100 kN/m² to 200 kN/m². If the effective stress is further increased from 200 kN/m² to 400 kN/m², then the settlement of the same clay is (A) 10 mm (B) 20 mm (C) 40 mm (D) None of the above

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Last Answer : (A) 10 mm

The standard reference atmospheric pressure  a. 760 mmHg  b. 1 atm  c. 14.696 psia  d. All of the above

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The Manufacturer of aeration devices reports the oxygen transfer rate of the device obtained through laboratory tests carried under standard conditions. Such standard condition are : (a) Wastewater at zero DO, 25°C and 760 mm Hg (b) Tapwater at zero DO, 0°C and 700 mm Hg (c) Tapwater at zero DO, 20°C and 760 mm Hg (d) Wastewater at zero DO, 0°C and 700 mm Hg

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The volume of a gas at `0^(@)C` and 760 mm pressure is 22.4 c c. The no . Of molecules present in this volume is

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At 25°C and 760 mm of Hg pressure a gas occupies 600 mL volume.

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95% (by volume) of LPG at 760 mm Hg pressure will evaporate at__________ °C.(A) 2(B) -40(C) 30(D) 55

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Normal temperature and pressure (N.T.P.) corresponds to (A) 0°C and 760 mm Hg (B) 15°C and 760 mm Hg (C) 20°C and 760 mm Hg (D) 0°C and 1 kgf/cm2

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Barometric pressure is equal to  (a) 760 mm Hg  (b) zero mm Hg  (c) 735.6 mm Hg  (d) 1 mm Hg  (e) 100mm Hg.

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Molecular volume of any perfect gas at 600 x 103 N/m2 and 27°C will be  (a) 4.17m3/kgmol  (b) 400 m3/kg mol  (c) 0.15 m3/kg mol  (d) 41.7 m3/kg mol  (e) 417m3/kgmol.

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A cantilever of length 3 m carries two point loads of 2 KN at the free end and 4KN at a distance of 1m from the free end .What is the deflection at the free end? Take E= 2×105 N/mm2and I= 108 mm4. a.2.56 mm b.3.84 mm c.1.84 mm d.5.26mm

Description : A cantilever of length 3 m carries two point loads of 2 KN at the free end and 4KN at a distance of 1m from the free end .What is the deflection at the free end? Take E= 2×105 N/mm2and I= 108 mm4. a.2.56 mm b.3.84 mm c.1.84 mm d.5.26mm

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Description : Torque and bending moment of 100 kN.m and 200 kN.m acts on a shaft which has external diameter twice of internal diameter. What is the external diameter of the shaft which is subjected to a maximum shear stress of 90 N/mm2? a. 116.5 mm b. 233.025 mm c. 587.1 mm d. 900 mm

Last Answer : c. 587.1 mm

A uniformly distributed load of 20 kN/m acts on a simply supported beam of rectangular cross section of width 20 mm and depth 60 mm. What is the maximum bending stress acting on the beam of 5m? a. 5030 Mpa b. 5208 Mpa c. 6600 Mpa d. Insufficient data

Description : A uniformly distributed load of 20 kN/m acts on a simply supported beam of rectangular cross section of width 20 mm and depth 60 mm. What is the maximum bending stress acting on the beam of 5m? a. 5030 Mpa b. 5208 Mpa c. 6600 Mpa d. Insufficient data

Last Answer : b. 5208 Mpa

A T-section beam having flange 180mm wide and 20 mm thick and web 150 mm long and 20 mm thick carries a udl of 80 kN/m over an effective span of 8 m. Calculate the maximum bending stress.

Description : A T-section beam having flange 180mm wide and 20 mm thick and web 150 mm long and 20 mm thick carries a udl of 80 kN/m over an effective span of 8 m. Calculate the maximum bending stress.

Last Answer : Solution :

The Young's modulus of elasticity of steel, is (A) 150 KN/mm2 (B) 200 KN/mm2 (C) 250 KN/mm2 (D) 275 KN/mm

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Description : The speed of sound (at sea level) in air is: w) 340 meters per second x) 400 meters per second y) 500 meters per second z) 760 kilometers per second

Last Answer : ANSWER: W -- 340 METERS PER SECOND

The zero atmospheric pressure is at (A) Sea level (B) Water table (C) Phreatic surface (D) Both (B) and (C) of the above

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Which one of the following statements is correct ? a) For water at 100o Celsius at sea level, the vapour pressure is equal to atmospheric pressure b) Surface energy (or tension) is caused by the force of adhesion between liquid molecules c) Viscosity of a fluid is the property exhibited by it both in static and in dynamic conditions d) Air is 50,000 times more compressible than water

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A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is (A) 2.89 kN (B) 8.29 kN (C) 9.28 kN (D) 28.9 kN

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A pressure of 25 m of head of water is equal to (A) 25 kN/ m² (B) 245 kN/ m² (C) 2500 kN/m² (D) 2.5 kN/ m²

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Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2.k), when the insulation thickness is __________ mm. (A) 15 (B) 25 (C) 10 (D) 30

Description : Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2.k), when the insulation thickness is __________ mm. (A) 15 (B) 25 (C) 10 (D) 30

Last Answer : (B) 25

Select the correct statement (A) Local atmospheric pressure depends upon elevation of locality only (B) Standard atmospheric pressure is the mean local atmospheric pressure a* sea level (C) Local atmospheric pressure is always below standard atmospheric pressure (D) A barometer reads the difference between local and standard atmospheric pressure

Description : Select the correct statement (A) Local atmospheric pressure depends upon elevation of locality only (B) Standard atmospheric pressure is the mean local atmospheric pressure a* sea level ... atmospheric pressure (D) A barometer reads the difference between local and standard atmospheric pressure

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Which one of the following statements is correct? (a) Local atmospheric pressure is always lesser than standard atmospheric pressure (b) Local atmospheric pressure depends upon the elevation of the locality only (c) Standard atmospheric pressure is the mean atmospheric pressure at sea level (d) A barometer reads the difference between local, and standard atmospheric pressure

Description : Which one of the following statements is correct? (a) Local atmospheric pressure is always lesser than standard atmospheric pressure (b) Local atmospheric pressure depends upon the elevation of ... sea level (d) A barometer reads the difference between local, and standard atmospheric pressure

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Last Answer : (C) 20 mm

A circular pipe is subjected to maximum shear force of 60 kN. What is the diameter of the pipe if maximum allowable shear stress is 5 Mpa? a. 27.311 mm b. 75.56 mm c. 142.72 mm d. 692.10 mm

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Last Answer : c. 142.72 mm

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A gas occupies a volume of 0.2 L at 176 mm Hg. What volume will the gas occupy at 760 mm Hg?

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Last Answer : 0.05 L

A gas occupies a volume of 0.2 L at 176 mm Hg. What volume will the gas occupy at 760 mm Hg?

Description : A gas occupies a volume of 0.2 L at 176 mm Hg. What volume will the gas occupy at 760 mm Hg?

Last Answer : 0.05 L

A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be __________ litres. (A) 448 (B) 224 (C) 22.4 (D) Data insufficient; can't be computed

Description : A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be __________ litres. (A) 448 (B) 224 (C) 22.4 (D) Data insufficient; can't be computed

Last Answer : (A) 448

I kgf/cm2 is equal to  (a) 760 mm Hg  (b) zero mm Hg  (c) 735.6 mm Hg  (d) 1 mm Hg  (e) l00 mm Hg.

Description : I kgf/cm2 is equal to  (a) 760 mm Hg  (b) zero mm Hg  (c) 735.6 mm Hg  (d) 1 mm Hg  (e) l00 mm Hg.

Last Answer : Answer : c

Height of Low level platform for passengers for BG is --- high (a) 0.455 m* (b) 0.560 m (c) 0.650 m (d) 0.760 m

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Last Answer : (a) 0.455 m*

Height of high level platform for passengers for BG is --- high (a) 0.455 m (b) 0.560 m (c) 0.650 m (d) 0.760 m*

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A well penetrates to 30 m below the static water table. After 24 hours of pumping at 31.40 litres/minute, the water level in a test well at a distance of 80 m is lowered by 0.5 m and in a well 20 m away water is lowered by 1.0 m. The transmissibility of the aquifer, is (A) 1.185 m2 /minute(B) 1.285 m2/minute (C) 1.385 m2/minute (D) 1.485 m2/minute

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Last Answer : Answer: Option C

Which vasodilator is most suitable for a patient of CHF who is symptomatic even at rest and has a central venous pressure of 25 mm Hg and cardiac index 1.8 L/min/m2 : A. Glyceryl trinitrate B. Enalapril C. Hydralazine D. Nifedipine

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A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is (A) 3.53 kN (B) 33.3 kN (C) 35.3 kN (D) None of these

Description : A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is (A) 3.53 kN (B) 33.3 kN (C) 35.3 kN (D) None of these

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What is the moment of inertia acting on a semicircle of radius 20 mm about the asymmetrical axes? a. 125.663 x 103 mm4 b. 17600 mm4 c. 1500 mm4 d. 8800 mm4

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In a cross joint tensile test the following observations were made: Specimen width 20mm, Material thickness 20mm, Max Load: 180kN, Break position: Parent Plate. What is the UTS? a) 45 kN/mm b) 450 N/mm2c) 39 kN/mm2d) 39 N/mm2

Description : In a cross joint tensile test the following observations were made: Specimen width 20mm, Material thickness 20mm, Max Load: 180kN, Break position: Parent Plate. What is the UTS? a) 45 kN/mm b) 450 N/mm2c) 39 kN/mm2d) 39 N/mm2

Last Answer : b) 450 N/mm2

Determine the maximum shearing stress and elongation in a helical steel spring composed of 20 turns of 20-mm-diameter wire on a mean radius of 90 mm when the spring is supporting a load of 1.5 kN. and G = 83 GPa. a. 200 mm b. 105.4 mm c. 150 mm d. 250 mm

Description : Determine the maximum shearing stress and elongation in a helical steel spring composed of 20 turns of 20-mm-diameter wire on a mean radius of 90 mm when the spring is supporting a load of 1.5 kN. and G = 83 GPa. a. 200 mm b. 105.4 mm c. 150 mm d. 250 mm

Last Answer : b. 105.4 mm