Assume that the speed (v) of sound in air depends upon the pressure (P) and density (ρ) of air, then use dimensional analysis to obtain

Assume that the speed (v) of sound in air depends upon the pressure (P) and density (ρ) of air, then use dimensional analysis to obtain
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Assume that the speed (v) of sound in air depends upon the pressure (P) and density (ρ) ... analysis to obtain an expression for the speed of sound.
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Time period of a simple pendulum depends upon the length of pendulum (l) and acceleration due to gravity (g). Using dimensional analysis

Description : Time period of a simple pendulum depends upon the length of pendulum (l) and acceleration due to gravity (g). Using dimensional analysis

Last Answer : Time period of a simple pendulum depends upon the length of pendulum (l) and acceleration due to ... expression for time period of a simple pendulum.

Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m3 ) (A) 3.6 W.D.V.ρ (B) 3.6 W.D.V (C) 3.6 W.V.ρ (D) 3.6 D.V.ρ

Description : Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m3 ) (A) 3.6 W.D.V.ρ (B) 3.6 W.D.V (C) 3.6 W.V.ρ (D) 3.6 D.V.ρ

Last Answer : (A) 3.6 W.D.V.ρ

Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripheral velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m3 here, V =πND where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m). (A) 3.6 V.W.Dr.ρ (B) 3.6 V.W. ρ (C) 3.6 W.Dr.ρ (D) 3.6 V.W.Dr/ρ

Description : Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripheral velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m3 here, V =πND where, N = speed of the rolls ... V.W.Dr.ρ (B) 3.6 V.W. ρ (C) 3.6 W.Dr.ρ (D) 3.6 V.W.Dr/ρ

Last Answer : (A) 3.6 V.W.Dr.ρ

Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute pressure of the gas. y = Ratio of specific heats (Cp/Cv) ρ = specific weight of the gas) (A) √T (B) 1/√P (C) √y (D) 1/√ρ

Description : Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute pressure of the gas. y = Ratio of specific heats (Cp/Cv) ρ = specific weight of the gas) (A) √T (B) 1/√P (C) √y (D) 1/√ρ

Last Answer : (B) 1/√P

Consider the following statements: 1. Mathematically speaking, the time taken for 100% consolidation is infinite. 2. The time factor for a particular average degree of consolidation depends upon the distribution of initial excess hydrostatic pressure. 3. Secondary consolidation obeys Terzaghi’s one-dimensional theory of consolidation. Which of these statements are correct? (a) 1, 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Description : Consider the following statements: 1. Mathematically speaking, the time taken for 100% consolidation is infinite. 2. The time factor for a particular average degree of consolidation depends upon the distribution of initial excess hydrostatic ... 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Last Answer : (b) 1 & 2 only

The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area in m2 , V = rising velocity of fluid in m/sec, S = percentage of solids in the suspension by volume, ρ = density of solids in kg/m3 ) (A) 3.6 AVS.ρ (B) 3.6 A.V.ρ (C) 3.6 A.S. ρ (D) 3.6 AVS/ρ

Description : The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area in m2 , V = rising velocity of fluid in m/sec, S = percentage of solids in the suspension by volume, ρ = density of solids in kg/m3 ) (A) 3.6 AVS.ρ (B) 3.6 A.V.ρ (C) 3.6 A.S. ρ (D) 3.6 AVS/ρ

Last Answer : (A) 3.6 AVS.ρ

The tensile stress in the rim of the flywheel is given by, Where, ρ is mass density and v is linear velocity at the mean radius of the rim. (A) ρv2/2 (B) πρv2 (C) ρv2 (D) 2 ρv2

Description : The tensile stress in the rim of the flywheel is given by, Where, ρ is mass density and v is linear velocity at the mean radius of the rim. (A) ρv2/2 (B) πρv2 (C) ρv2 (D) 2 ρv2

Last Answer : (C) ρv2

The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant Cv ), depends upon its (A) Pressure (B) Volume (C) Temperature (D) All (A), (B) & (C)

Description : The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant Cv ), depends upon its (A) Pressure (B) Volume (C) Temperature (D) All (A), (B) & (C)

Last Answer : (C) Temperature

Internal energy of a gas obeying Van-Der-Waals equation of state, [p + (a/v2)] (V - b) = RT, depends upon its (A) Pressure & temperature (B) Pressure & specific volume (C) Temperature & specific volume (D) Temperature only

Description : Internal energy of a gas obeying Van-Der-Waals equation of state, [p + (a/v2)] (V - b) = RT, depends upon its (A) Pressure & temperature (B) Pressure & specific volume (C) Temperature & specific volume (D) Temperature only

Last Answer : (A) Pressure & temperature

In frictional fluid flow, the quantity, (P/ρ) + (V 2 /2gc) + gz/gc) is (A) Constant along a streamline (B) Not constant along a streamline (C) Increased in the direction of flow (D) None of these

Description : In frictional fluid flow, the quantity, (P/ρ) + (V 2 /2gc) + gz/gc) is (A) Constant along a streamline (B) Not constant along a streamline (C) Increased in the direction of flow (D) None of these

Last Answer : (B) Not constant along a streamline

Each term of the Bernoulli's equation written in the form, (p/ρ) + (g/gc ). Z + (v 2 /2gc ) = constant, represents the total energy per unit (A) Mass (B) Volume (C) Specific weight (D) None of these

Description : Each term of the Bernoulli's equation written in the form, (p/ρ) + (g/gc ). Z + (v 2 /2gc ) = constant, represents the total energy per unit (A) Mass (B) Volume (C) Specific weight (D) None of these

Last Answer : (A) Mass

The energy equation, E + (p/ρ) + (V 2 /2g) + gZ = constant (E = internal energy/mass), is applicable to (A) Perfect gases only (B) Isothermal flow of gases (C) Adiabatic unsteady flow of gases (D) All compressible fluids

Description : The energy equation, E + (p/ρ) + (V 2 /2g) + gZ = constant (E = internal energy/mass), is applicable to (A) Perfect gases only (B) Isothermal flow of gases (C) Adiabatic unsteady flow of gases (D) All compressible fluids

Last Answer : (D) All compressible fluids

When a small spherical body falls in a viscous fluid, its speed increases first, then deceases and eventually it acquires a constant speed called the terminal speed. The terminal speed depends upon (a) The density and viscosity of the fluid (b) The density of the body (c) The diameter of the body (d) All the above parameters

Description : When a small spherical body falls in a viscous fluid, its speed increases first, then deceases and eventually it acquires a constant speed called the terminal speed. The terminal speed depends upon (a) The ... ) The density of the body (c) The diameter of the body (d) All the above parameters

Last Answer : Ans:(d)

The capacity of a pneumatic conveying system depends upon the (A) Bulk density of materials (B) Pressure of the conveying air (C) Diameter of the conveying line (D) All (A), (B) and (C)

Description : The capacity of a pneumatic conveying system depends upon the (A) Bulk density of materials (B) Pressure of the conveying air (C) Diameter of the conveying line (D) All (A), (B) and (C)

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

At low Reynold's number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5 : Power number Re = ρ N D2 /μ: Reynold's number N is the impeller rotational speed, and D is the impeller diameter. (A) Po ∝ Re -1.0 (B) Po ∝ Re 0.0 (C) Po ∝ Re 0.5 (D) Po ∝ Re 1.0

Description : At low Reynold's number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5 : Power number Re = ρ N D2 ... Re -1.0 (B) Po ∝ Re 0.0 (C) Po ∝ Re 0.5 (D) Po ∝ Re 1.0

Last Answer : (B) Po ∝ Re 0.0 (C) Po ∝ Re 0.5

The ratio of incomes of Pankaj and Gauri is 3:5 and the ratio of their expenditures is 2:3. Who does save more? (You have to assume that no one takes any loan from anywhere) A) Pankaj B) Gauri C) Both save equally D) Depends upon the incomes of Pankaj and Gauri E) NONE

Description : The ratio of incomes of Pankaj and Gauri is 3:5 and the ratio of their expenditures is 2:3. Who does save more? (You have to assume that no one takes any loan from anywhere) A) Pankaj B) Gauri C) Both save equally D) Depends upon the incomes of Pankaj and Gauri E) NONE

Last Answer : pankaj

Width and speed of a conveyor belt depends upon the __________ of the material. (A) Lump size (B) Bulk density (C) Both (A) & (B) (D) Neither (A) nor (B

Description : Width and speed of a conveyor belt depends upon the __________ of the material. (A) Lump size (B) Bulk density (C) Both (A) & (B) (D) Neither (A) nor (B

Last Answer : (C) Both (A) & (B)

Steady state one dimensional heat flow by conduction as given by Fourier's low does not assume that (A) There is no internal heat generation (B) Boundary surfaces are isothermal (C) Material is anisotropic (D) Constant temperature gradient exists

Description : Steady state one dimensional heat flow by conduction as given by Fourier's low does not assume that (A) There is no internal heat generation (B) Boundary surfaces are isothermal (C) Material is anisotropic (D) Constant temperature gradient exists

Last Answer : (C) Material is anisotropic

The penetration of x-rays through an object depends upon the object’s _____. A. Density B. Shape C. Pressure D. Size

Description : The penetration of x-rays through an object depends upon the object’s _____. A. Density B. Shape C. Pressure D. Size

Last Answer : ANSWER: A

The boiling point of water depends upon the – (1) atmospheric pressure (2) volume (3) density (4) mass

Description : The boiling point of water depends upon the – (1) atmospheric pressure (2) volume (3) density (4) mass

Last Answer : (1) atmospheric pressure Explanation: The boiling point corresponds of water to the ternperature at which its vapour pressure equals the surrounding environmental pressure. So it is dependent on ... pressure decreases. As this pressure decreases, the boiling point of the water also decreases.

Pressure in fluid depends upon A. depth below the surface B. density of fluid C. the value of gD. all of above

Description :  Pressure in fluid depends upon A. depth below the surface B. density of fluid C. the value of g D. all of above

Last Answer : all of above

The shearing strength of a cohesion-less soil depends upon (A) Dry density (B) Rate of loading (C) Confining pressure (D) Nature of loading

Description : The shearing strength of a cohesion-less soil depends upon (A) Dry density (B) Rate of loading (C) Confining pressure (D) Nature of loading

Last Answer : Answer: Option C

Pressure exerted by a liquid depends upon its (A) Surface tension (B) Density (C) Viscosity

Description : Pressure exerted by a liquid depends upon its (A) Surface tension (B) Density (C) Viscosity

Last Answer : Option B

Liquid pressure at any point inside the liquid, depends upon _______of the liquid and the height of liquid column above that point. a) area b)density c)weight d)none

Description : Liquid pressure at any point inside the liquid, depends upon _______of the liquid and the height of liquid column above that point. a) area b)density c)weight d)none

Last Answer : b)density

The boiling point of water depends upon the (1) atmospheric pressure (2) volume (3) density (4) mass

Description : The boiling point of water depends upon the (1) atmospheric pressure (2) volume (3) density (4) mass

Last Answer : atmospheric pressure

Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) (A) m/ρ . Vp (B) m . ρ/Vp (C) m . Vp /ρ (D) Vp /m . ρ

Description : Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) (A) m/ρ . Vp (B) m . ρ/Vp (C) m . Vp /ρ (D) Vp /m . ρ

Last Answer : (A) m/ρ . Vp

The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). (A) 6/D.ρ(B) 2/D.ρ (C) 4/D.ρ (D) 12/D.ρ

Description : The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). (A) 6/D.ρ (B) 2/D.ρ (C) 4/D.ρ (D) 12/D.ρ

Last Answer : (A) 6/D.ρ

Resistance to heat flow by conduction is proportional to (where, t & ρ are thickness & density of the material respectively and A = area normal tothe direction of heat flow.) (A) t (B) 1/ρ (C) 1/A (D) All (A), (B) & (C)

Description : Resistance to heat flow by conduction is proportional to (where, t & ρ are thickness & density of the material respectively and A = area normal tothe direction of heat flow.) (A) t (B) 1/ρ (C) 1/A (D) All (A), (B) & (C)

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

Find the charged enclosed by a sphere of charge density ρ and radius a. a) ρ (4πa 2 ) b) ρ(4πa 3 /3) c) ρ(2πa 2 ) d) ρ(2πa 3 /3)

Description : Find the charged enclosed by a sphere of charge density ρ and radius a. a) ρ (4πa 2 ) b) ρ(4πa 3 /3) c) ρ(2πa 2 ) d) ρ(2πa 3 /3)

Last Answer : b) ρ(4πa 3 /3)

Find the Laplace equation value of the following potential field V = ρ cosφ + z a) 0 b) 1 c) 2 d) 3

Description : Find the Laplace equation value of the following potential field V = ρ cosφ + z a) 0 b) 1 c) 2 d) 3

Last Answer : a) 0

Fanning equation is given by (∆P/ρ) = 4f (L/D) (v 2 /2gc ). It is applicable to __________ region flow. (A) Transition (B) Laminar (C) Turbulent (D) Both (B) and (C)

Description : Fanning equation is given by (∆P/ρ) = 4f (L/D) (v 2 /2gc ). It is applicable to __________ region flow. (A) Transition (B) Laminar (C) Turbulent (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

About 2-3 hp, power per gallon of a thin liquid provides vigorous agitation in an agitator. 'Power number' in agitation is given by (A) P. gc /n 3 . D2 . ρ (B) P. gc . ρ/µ

Description : About 2-3 hp, power per gallon of a thin liquid provides vigorous agitation in an agitator. 'Power number' in agitation is given by (A) P. gc /n 3 . D2 . ρ (B) P. gc . ρ/µ

Last Answer : (A) P. gc /n 3 . D2 . ρ

The relay operating speed depends upon (a) the spring tension (b) the rate of flux built up (c) armature core air gap (d) all of the above

Description : The relay operating speed depends upon (a) the spring tension (b) the rate of flux built up (c) armature core air gap (d) all of the above

Last Answer : (d) all of the above

The dimensional formula of bulk modulus of elasticity is same as that of the (A) Pressure (B) Density (C) Force (D) None of these

Description : The dimensional formula of bulk modulus of elasticity is same as that of the (A) Pressure (B) Density (C) Force (D) None of these

Last Answer : Option A

What is the wavelength in millimeters of a sound wave whose frequency is 35 KILOHERTZ. Assume the speed of sound is 350 METERS PER SECOND? w) 100 millimeters x) 1,000 millimeters y) 10 millimeters z) 1/10 millimeters

Description : What is the wavelength in millimeters of a sound wave whose frequency is 35 KILOHERTZ. Assume the speed of sound is 350 METERS PER SECOND? w) 100 millimeters x) 1,000 millimeters y) 10 millimeters z) 1/10 millimeters

Last Answer : ANSWER: Y -- 10 MILLIMETERS 

On equating the generic form of current density equation and the point form of Ohm’s law, we can obtain V=IR. State True/False. a) True b) False

Description : On equating the generic form of current density equation and the point form of Ohm’s law, we can obtain V=IR. State True/False. a) True b) False

Last Answer : a) True

Pressure of gas depends on the A. density of gas B. mean square speed of gas molecules C. both A and B D. temperature

Description : Pressure of gas depends on the A. density of gas B. mean square speed of gas molecules C. both A and B D. temperature

Last Answer :  both A and B

Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their (A) Viscosity (B) Density (C) Solubility (D) Relative volatility

Description : Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their (A) Viscosity (B) Density (C) Solubility (D) Relative volatility

Last Answer : (C) Solubility

E.M.F for a coil depends upon A. the cross sectional area B. no. of turns of wire C. the magnitude of magnetic flux density D. all of above

Description : E.M.F for a coil depends upon A. the cross sectional area B. no. of turns of wire C. the magnitude of magnetic flux density D. all of above

Last Answer : all of above

Natural draught produced by a chimney depends upon the (A) Density of the chimney gases (B) Height of the chimney (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : Natural draught produced by a chimney depends upon the (A) Density of the chimney gases (B) Height of the chimney (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Minimum fluidisation velocity for a specific system depends upon the (A) Particle size (B) Fluid viscosity (C) Density of both the particle & the fluid (D) All (A), (B) and (C)

Description : Minimum fluidisation velocity for a specific system depends upon the (A) Particle size (B) Fluid viscosity (C) Density of both the particle & the fluid (D) All (A), (B) and (C)

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

The maximum dry density upto which any soil can be compacted depends upon (A) Moisture content only (B) Amount of compaction energy only (C) Both moisture content and amount of compaction energy (D) None of the above

Description : The maximum dry density upto which any soil can be compacted depends upon (A) Moisture content only (B) Amount of compaction energy only (C) Both moisture content and amount of compaction energy (D) None of the above

Last Answer : (C) Both moisture content and amount of compaction energy

The bulk density of aggregates, depends upon (A) Shape (B) Grading (C) Compaction (D) All the above

Description : The bulk density of aggregates, depends upon (A) Shape (B) Grading (C) Compaction (D) All the above

Last Answer : Answer: Option D

The mutual inductance of the coil depends upon: a. density of the coil b. stiffness of coil c. material of coil d. geometry of the coil

Description : The mutual inductance of the coil depends upon: a. density of the coil b. stiffness of coil c. material of coil d. geometry of the coil

Last Answer : d. geometry of the coil

The maximum dry density to which a soil may be compacted to depends upon a) Soil water content * b) The process of compaction c) The voids ratio d) Is independent of the type of soil

Description : The maximum dry density to which a soil may be compacted to depends upon a) Soil water content * b) The process of compaction c) The voids ratio d) Is independent of the type of soil

Last Answer : a) Soil water content *

In a superconductor the value of critical density depends upon?

Description : In a superconductor the value of critical density depends upon?

Last Answer : In a superconductor the value of critical density depends upon magnetic field strength, temperature.

depends upon The Chezy’s constant C in the formula V = C A. Size of the sewer B. Shape of the sewer C. Roughness of sewer surface D. All the above

Description : depends upon The Chezy’s constant C in the formula V = C A. Size of the sewer B. Shape of the sewer C. Roughness of sewer surface D. All the above

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What is the responsibility of an auditor who is engaged to audit the financial statements of a government entity? a. Assess control risk with respect to each component of internal control. b. Assume responsibility for assuring that the entity complies with applicable laws and regulations. c. Obtain an understanding of the possible financial statement effects of laws and regulations having direct and material effects on amounts reported. d. Design the audit to provide reasonable assurance that the statements are free of material misstatements resulting from illegal acts having direct or indirect effects

Description : What is the responsibility of an auditor who is engaged to audit the financial statements of a government entity? a. Assess control risk with respect to each component of internal ... the statements are free of material misstatements resulting from illegal acts having direct or indirect effects

Last Answer : Obtain an understanding of the possible financial statement effects of laws and regulations having direct and material effects on amounts reported.

Speed of sound in air depends on the - (1) Chemical conditions (2) Physical conditions (3) Pitch (4) None of these

Description : Speed of sound in air depends on the - (1) Chemical conditions (2) Physical conditions (3) Pitch (4) None of these

Last Answer : (2) Physical conditions Explanation: Wind can increase or decrease the speed, and can even push sound waves sideways. Air density affects it. Temperature, pressure, humidity and gas mixture can each affect the density.