Which of the following manometer has highest sensitivity? (A) U-tube with water (B) Inclined U-tube (C) U-tube with mercury (D) Micro-manometer with water

Which of the following manometer has highest sensitivity?
(A) U-tube with water
(B) Inclined U-tube
(C) U-tube with mercury
(D) Micro-manometer with water
by

1 Answer

Answer :

Answer: Option D
by

Related questions

In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle . Sensitivity of inclined tube to sensitivity of U-tube is equal to (A) Sin (B) 1/Sin (C) Cos (D) 1/Cos

Description : In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle . Sensitivity of inclined tube to sensitivity of U-tube is equal to (A) Sin (B) 1/Sin (C) Cos (D) 1/Cos

Last Answer : Answer: Option B

Very small pressure difference (< 5 mm water column) can be most conveniently measured by a/an __________ manometer. (A) U-tube water (B) U-tube mercury (C) Inclined tube mercury (D) Inclined tube water

Description : Very small pressure difference (< 5 mm water column) can be most conveniently measured by a/an __________ manometer. (A) U-tube water (B) U-tube mercury (C) Inclined tube mercury (D) Inclined tube water

Last Answer : (D) Inclined tube water

Small pressure differences in liquids is measured using a/an (A) U-tube manometer (B) Inclined tube manometer (C) Pitot tube (D) None of these

Description : Small pressure differences in liquids is measured using a/an (A) U-tube manometer (B) Inclined tube manometer (C) Pitot tube (D) None of these

Last Answer : (B) Inclined tube manometer

Choose the wrong statement. Alcohol is used in manometer, because (A) Its vapour pressure is low (B) It provides suitable meniscus for the inclined tube (C) Its density is less (D) It provides longer length for a given pressure difference

Description : Choose the wrong statement. Alcohol is used in manometer, because (A) Its vapour pressure is low (B) It provides suitable meniscus for the inclined tube (C) Its density is less (D) It provides longer length for a given pressure difference

Last Answer : Answer: Option A

Pressure of the order of 10" torr can be measured by (A) Bourdon tube (B) Pirani Gauge (C) Micro-manometer (D) Lonisation gauge

Description : Pressure of the order of 10" torr can be measured by (A) Bourdon tube (B) Pirani Gauge (C) Micro-manometer (D) Lonisation gauge

Last Answer : Answer: Option D

Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of __________ pressure. (A) Small differential (B) Atmospheric (C) Absolute (D) Gage

Description : Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of __________ pressure. (A) Small differential (B) Atmospheric (C) Absolute (D) Gage

Last Answer : (A) Small differential

Compare U tube manometer and well type manometer

Description : Compare U tube manometer and well type manometer

Last Answer : U-tube and well type manometer Sr.No. U-tube manometer well type manometer 1 Both legs are having same cross section area Both legs are having different cross section area ... cross section area. 5 Difference in heights in measured. Single height is measured.

Why is an inclined manometer used ?

Description : Why is an inclined manometer used ?

Last Answer : It is used to extend the scale of the instrument. Because the manometer is at an angle to the vertical.

Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water column in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm). (A) H (B) 12.6 H (C) 13.6 H (D) 14.6 H

Description : Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water column in case of mercury-water, differential manometer is ... mm). (A) H (B) 12.6 H (C) 13.6 H (D) 14.6 H

Last Answer : (B) 12.6 H

A mercury (specific gravity = 13.6) manometer connected across an orificemeter fitted in a pipe shows a manometer reading of 2 cms. If the manometer liquid is changed to carbon tetrachloride (specific gravity = 1.6), then for the same flow rate of water the new manometer reading will be __________ cms. (A) 17 (B) 42(C) 84 (D) 1.8

Description : A mercury (specific gravity = 13.6) manometer connected across an orificemeter fitted in a pipe shows a manometer reading of 2 cms. If the manometer liquid is changed to carbon tetrachloride (specific gravity = 1.6), then ... new manometer reading will be __________ cms. (A) 17 (B) 42 (C) 84 (D) 1.8

Last Answer : __________ cms. (A) 17

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.

Description : 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.

Last Answer : The transmitter is correct because 760 - 50 = 710 mm abs.

Why mercury is used in manometer?

Description : Why mercury is used in manometer?

Last Answer : Following are the reasons due to which mercury is used in manometers :- i. Specific gravity of mercury is greater than the other liquids. ii. Mercury is immiscible with other liquids. iii. It does not stick to the surface in contact. 

A Pitot tube indicates 5 cm of water (manometer) when it is being used for measuring velocity of air. The velocity of air in m/sec is (A) 5 (B) 14.1 (C) 56.22 (D) 28.2

Description : A Pitot tube indicates 5 cm of water (manometer) when it is being used for measuring velocity of air. The velocity of air in m/sec is (A) 5 (B) 14.1 (C) 56.22 (D) 28.2

Last Answer : (D) 28.2

With the rise of temperature, the sensitivity of a bubble tube (A) Decreases(B) Increases (C) Remains unaffected (D) None of the above

Description : With the rise of temperature, the sensitivity of a bubble tube (A) Decreases (B) Increases (C) Remains unaffected (D) None of the above

Last Answer : (A) Decreases

The sensitivity of a bubble tube can be increased by (A) Increasing the diameter of the tube (B) Decreasing the length of bubble (C) Increasing the viscosity of liquid (D) Decreasing the radius of curvature of tube

Description : The sensitivity of a bubble tube can be increased by (A) Increasing the diameter of the tube (B) Decreasing the length of bubble (C) Increasing the viscosity of liquid (D) Decreasing the radius of curvature of tube

Last Answer : (A) Increasing the diameter of the tube

The desired sensitivity of a bubble tube with 2 mm divisions is 30". The radius of the bubble tube should be (A) 13.75 m (B) 3.44 m (C) 1375 m (D) None of these

Description : The desired sensitivity of a bubble tube with 2 mm divisions is 30". The radius of the bubble tube should be (A) 13.75 m (B) 3.44 m (C) 1375 m (D) None of these

Last Answer : (A) 13.75 m

Flow rate of high velocity flue gas discharged through a stack to the atmosphere can be most conveniently measured by a (A) Pitot tube (B) Manometer (C) Rotameter (D) None of these

Description : Flow rate of high velocity flue gas discharged through a stack to the atmosphere can be most conveniently measured by a (A) Pitot tube (B) Manometer (C) Rotameter (D) None of these

Last Answer : (A) Pitot tube

Correction for capillary effect in manometers (used for pressure measurement) need not be applied, if diameter of the manometer tube is __________ mm. (A) < 4 (B) > 4 (C) > 12.5 (D) < 10

Description : Correction for capillary effect in manometers (used for pressure measurement) need not be applied, if diameter of the manometer tube is __________ mm. (A) < 4 (B) > 4 (C) > 12.5 (D) < 10

Last Answer : (C) > 12.5

26. Air velocity in ducts can be measured by using and manometer a) Orifice meter b) Borden gauge c) Pitot tube d) Anemometer

Description : Air velocity in ducts can be measured by using and manometer a) Orifice meter b) Borden gauge c) Pitot tube d) Anemometer

Last Answer : Pitot tube

What pressure measuring device consists of a coiled hollow tube that tends to straighten out when the tube is subjected to an internal pressure?  A. Aneroid  B. Manometer  C. Bourdon pressure gage  D. Barometer

Description : What pressure measuring device consists of a coiled hollow tube that tends to straighten out when the tube is subjected to an internal pressure?  A. Aneroid  B. Manometer  C. Bourdon pressure gage  D. Barometer

Last Answer : Bourdon pressure gage

What instrument is used to measure atmospheric pressure?  A. Pitot tube  B. Wind vane  C. Barometer  D. Manometer

Description : What instrument is used to measure atmospheric pressure?  A. Pitot tube  B. Wind vane  C. Barometer  D. Manometer

Last Answer : Barometer

Which of the following is NOT an instrument used to measure pressure?  A. Bourdon tube  B. Pitot tube  C. Aneroid  D. Manometer

Description : Which of the following is NOT an instrument used to measure pressure?  A. Bourdon tube  B. Pitot tube  C. Aneroid  D. Manometer

Last Answer : Pitot tube

An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is (A) Safe in shear (B) Is safe with stirrups (C) Is safe with stirrups and inclined members (D) Needs revision of the section

Description : An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is ( ... shear (B) Is safe with stirrups (C) Is safe with stirrups and inclined members (D) Needs revision of the section

Last Answer : Answer: Option A

An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm2 , the beam (A) Is safe in shear (B) Is safe with stirrups (C) Is safe with stirrups and inclined bars (D) Needs revision of section

Description : An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm2 , the beam (A) Is safe in shear (B) Is safe with stirrups (C) Is safe with stirrups and inclined bars (D) Needs revision of section

Last Answer : Answer: Option D

The surface tension of mercury at normal temperature compared to that of water is (A) More (B) Less (C) Same (D) More or less depending on size of glass tube

Description : The surface tension of mercury at normal temperature compared to that of water is (A) More (B) Less (C) Same (D) More or less depending on size of glass tube

Last Answer : Answer: Option A

A paper disc or small cylinder containing antibiotic is used in the antibiotic sensitivity assay known as the a. Tube dilution method. b. Immunodiffusion method. c. Agar diffusion method. d. Passive detection method.

Description : A paper disc or small cylinder containing antibiotic is used in the antibiotic sensitivity assay known as the a. Tube dilution method. b. Immunodiffusion method. c. Agar diffusion method. d. Passive detection method.

Last Answer : c. Agar diffusion method.

A manometer is used to measure (A) Low pressure (B) Moderate pressure (C) High pressure (D) Atmospheric pressure

Description : A manometer is used to measure (A) Low pressure (B) Moderate pressure (C) High pressure (D) Atmospheric pressure

Last Answer : Answer: Option C

Manometer is used to measure (A) Pressure in pipes, channels etc. (B) Atmospheric pressure (C) Very low pressure (D) Difference of pressure between two points

Description : Manometer is used to measure (A) Pressure in pipes, channels etc. (B) Atmospheric pressure (C) Very low pressure (D) Difference of pressure between two points

Last Answer : Answer: Option A

A differential manometer is used to measure (A) Atmospheric pressure (B) Pressure in pipes and channels (C) Pressure in Venturimeter (D) Difference of pressures between two points in a pipe

Description : A differential manometer is used to measure (A) Atmospheric pressure (B) Pressure in pipes and channels (C) Pressure in Venturimeter (D) Difference of pressures between two points in a pipe

Last Answer : Answer: Option D

A manometer is used to measure (A) Atmospheric pressure (B) Pressure in pipes and channels (C) Pressure in Venturimeter (D) Difference of pressures between two points in a pipe

Description : A manometer is used to measure (A) Atmospheric pressure (B) Pressure in pipes and channels (C) Pressure in Venturimeter (D) Difference of pressures between two points in a pipe

Last Answer : Answer: Option B

For manometer, a better liquid combination is one having (A) Higher surface tension (B) Lower surface tension (C) Surface tension is no criterion (D) High density and viscosity

Description : For manometer, a better liquid combination is one having (A) Higher surface tension (B) Lower surface tension (C) Surface tension is no criterion (D) High density and viscosity

Last Answer : Answer: Option A

Differential manometer is used to measure (A) Pressure in pipes, channels etc. (B) Atmospheric pressure (C) Very low pressure (D) Difference of pressure between two points

Description : Differential manometer is used to measure (A) Pressure in pipes, channels etc. (B) Atmospheric pressure (C) Very low pressure (D) Difference of pressure between two points

Last Answer : Answer: Option D

In what form are the boiler tube arrange in Lamont boiler ? a. Parallel in vertical b. Inclined vertically c. Parallel in horizontal d. Horizontally inclined

Description : In what form are the boiler tube arrange in Lamont boiler ? a. Parallel in vertical b. Inclined vertically c. Parallel in horizontal d. Horizontally inclined

Last Answer : c. Parallel in horizontal

Improved uniformity is obtained if seed tube is inclined rear ward at _________ with vertical. a)5-15° b)15-30° c)30-40° d)40-50

Description : Improved uniformity is obtained if seed tube is inclined rear ward at _________ with vertical. a)5-15° b)15-30° c)30-40° d)40-50

Last Answer : b)15-30°

Intradermal test for penicillin sensitivity should be performed by injecting the following quantity of sodium benzyl penicillin: A. 10 U B. 100 U C. 1000 U D. 5000 U

Description : Intradermal test for penicillin sensitivity should be performed by injecting the following quantity of sodium benzyl penicillin: A. 10 U B. 100 U C. 1000 U D. 5000 U

Last Answer : A. 10 U

The following are true about the contrast sensitivity: a. Pelli-Robson chart tests the contrast sensitivity b. is a measure of the ratio of brightness to darkness c. a contrast of 1 means that there is no contrast d. is highest at middle range frequencies

Description : The following are true about the contrast sensitivity: a. Pelli-Robson chart tests the contrast sensitivity b. is a measure of the ratio of brightness to darkness c. a contrast of 1 means that there is no contrast d. is highest at middle range frequencies

Last Answer : is highest at middle range frequencies

Coolis tube is used to produce – (1) Radio waves (2) Micro waves (3) X-rays (4) Gama rays

Description : Coolis tube is used to produce – (1) Radio waves (2) Micro waves (3) X-rays (4) Gama rays

Last Answer : (3) X-rays Explanation: X-rays are part of the electromagnetic spectrum, an ionizing radiation with wavelengths shorter than ultraviolet light. X-ray tubes evolved from experimental Crookes tubes ... X-rays created the field of radiography, the imaging of opaque objects with penetrating radiation.

Coolis tube is used to produce (1) Radio waves (2) Micro waves (3) X-rays (4) Gama rays

Description : Coolis tube is used to produce (1) Radio waves (2) Micro waves (3) X-rays (4) Gama rays

Last Answer : X-rays

What happens to the level of mercury in the barometer tube when it is taken down a coal mine? -Do You Know?

Description : What happens to the level of mercury in the barometer tube when it is taken down a coal mine? -Do You Know?

Last Answer : The temperature will increase as one moves down the Earth's crust. and since there is almost very less wind so the warm will be not able to distribute the temp. and moderate it. Hence the Mercury will rise in the barometer tube.

If to torricelli had drilled a little hole at the top of the glass tube holding his mercury column what would have happened to his barometer?

Description : If to torricelli had drilled a little hole at the top of the glass tube holding his mercury column what would have happened to his barometer?

Last Answer : He would not have had a barometer. He would have had a glass tube stuck into a bowl of Mercury, with nothing in it. Because once the hole was made the vacuum would be gone and the Mercury would fall back down to the bowl.It takes the vacuum in the tube to create a barometer.

What happens to the level of mercury in the barometer tube when it is taken down a coal mine?

Description : What happens to the level of mercury in the barometer tube when it is taken down a coal mine?

Last Answer : – It rises

A common fluorescent tube contains (a) sodium vapour (b) argon at low pressure (c) mercury vapour at low pressure (d) mercuric oxide and neon

Description : A common fluorescent tube contains (a) sodium vapour (b) argon at low pressure (c) mercury vapour at low pressure (d) mercuric oxide and neon

Last Answer : Ans:(c)

Luminance efficiency is minimum for a a. Fluorescent tube b. High wattage light bulb c. Mercury vapor lamp d. Low wattage light bulb

Description : Luminance efficiency is minimum for a a. Fluorescent tube b. High wattage light bulb c. Mercury vapor lamp d. Low wattage light bulb

Last Answer : d. Low wattage light bulb

What happens to the level of mercury in the barometer tube when it is taken down a coal mine?

Description : What happens to the level of mercury in the barometer tube when it is taken down a coal mine?

Last Answer : It rises

Luminous efficiency is least for a A. mercury vapor lamp B. low-wattage light bulb C. high-wattage light bulb D. fluorescent tube

Description : Luminous efficiency is least for a A. mercury vapor lamp B. low-wattage light bulb C. high-wattage light bulb D. fluorescent tube

Last Answer : B. low-wattage light bulb

Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) (A) d (B) 1/d (C) σ (D) 1/σ

Description : Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) (A) d (B) 1/d (C) σ (D) 1/σ

Last Answer : (C) σ

The capillary rise of mercury is maximum in glass tube of dia __________ mm. (A) 0.5 (B) 1 (C) 2 (D) 5

Description : The capillary rise of mercury is maximum in glass tube of dia __________ mm. (A) 0.5 (B) 1 (C) 2 (D) 5

Last Answer : (A) 0.5

If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is (A) Same in both the tubes (B) Greater in 1 mm dia tube (C) Greater in 0.5 mm dia tube (D) Zero in both the tubes

Description : If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is (A) Same in both the tubes (B) Greater in 1 mm dia tube (C) Greater in 0.5 mm dia tube (D) Zero in both the tubes

Last Answer : (C) Greater in 0.5 mm dia tube

Mercury is typically used in the placement of which of the following tubes? a) Miller-Abbott Most nasoenteric tubes use mercury to carry the tube by gravity to its desired location. b) Gastric sump A gastric sump is used to decompress and empty the stomach. c) Dobbhoff Dobbhoff tubes are used for enteric feeding. d) EnterafloW Enteraflow tubes are used for enteric feeding

Description : Mercury is typically used in the placement of which of the following tubes? a) Miller-Abbott Most nasoenteric tubes use mercury to carry the tube by gravity to its desired location. b) ... Dobbhoff tubes are used for enteric feeding. d) EnterafloW Enteraflow tubes are used for enteric feeding

Last Answer : a) Miller-Abbott Most nasoenteric tubes use mercury to carry the tube by gravity to its desired location.

Luminance efficiency is minimum for a ∙ a. Fluorescent tube ∙ b. High wattage light bulb ∙ c. Mercury vapor lamp ∙ d. Low wattage light bulb

Description : Luminance efficiency is minimum for a ∙ a. Fluorescent tube ∙ b. High wattage light bulb ∙ c. Mercury vapor lamp ∙ d. Low wattage light bulb

Last Answer : d. Low wattage light bulb