Euler’s dimensionless number relates the following : Pressure force and Inertial force
Description : Euler's dimensionless number relates the following (A) Inertial force and gravity (B) Viscous force and inertial force (C) Viscous force and buoyancy force (D) Pressure force and inertial force
Last Answer : Answer: Option D
Description : Hello, Please help with solving the task: Ludolf's number and Euler's number and the Golden Section seven numbers of east longitude, giving the final coordinates. At the same time, the final coordinates ... wanted the coordinates of north latitude N 50 ° 12.345 ', you would look for seven 5012345.
Last Answer : Need Answer
Description : 18. The reciprocal of Euler's number is called Newton number. A) Yes B) No
Last Answer : A
Description : Euler's number is the ratio of __________ force to pressure force. (A) Inertia (B) Gravity (C) Viscous (D) None of these
Last Answer : Answer: Option A
Description : The ratio of the inertia force to the viscous force is called (A) Reynold's number (B) Froude's number (C) Weber's number (D) Euler's number
Description : The value of bulk modulus of a fluid is required to determine (A) Reynold's number (B) Froude's number (C) Mach number (D) Euler's number
Last Answer : Answer: Option C
Description : The ratio of the inertia force to the __________ is called Euler's number. (A) Pressure force (B) Elastic force (C) Surface tension force (D) Viscous force
Description : What is Euler's Theorem?
Last Answer : Please be more specific, as Wikipedia lists 6 different theorems for Euler, and the link you gave doesn’t point to any specific one.
Description : The Green’s theorem can be related to which of the following theorems mathematically? a) Gauss divergence theorem b) Stoke’s theorem c) Euler’s theorem d) Leibnitz’s theorem
Last Answer : b) Stoke’s theorem
Description : Euler's equation of motion is a statement expressing (A) Conservation of mass (B) Conservation of energy (C) Newton's first law of motion (D) Newton's second law of motion
Last Answer : (A) Conservation of mass
Description : Euler's equation of motion states, that at every point, the (A) Fluid momentum is constant (B) Force per unit mass equals acceleration (C) Rate of mass outflow is equal to the rate of mass inflow (D) None of these
Last Answer : (B) Force per unit mass equals acceleration
Description : Which of the following assumptions enables the Euler's equation of motion to be integrated? (A) The fluid is incompressible (B) The fluid is non-viscous (C) The continuity equation is satisfied (D) The flow is rotational and incompressible
Last Answer : (A) The fluid is incompressible
Description : Which of the following is true to Euler’s theorem of factor pricing ? (a) Constant return to scale (b) Static and risk free economy (c) Perfect competition (d) All of the above
Last Answer : (d) All of the above
Description : P = /L² is the equation for Euler's crippling load if (A) Both the ends are fixed (B) Both the ends are hinged (C) One end is fixed and other end is free (D) One end is fixed and other end is hinged
Last Answer : (B) Both the ends are hinged
Description : Euler's formula states that the buckling load for a column of length , both ends hinged and whose least moment of inertia and modulus of elasticity of the material of the column are and respectively, is given by the relation (A) P = ²EI/l² (B) P = /EI (C) P = /l² (D) P = ²EI/l
Last Answer : (A) P = ²EI/l²
Description : The Euler's equation for the motion of liquids is based upon the assumption that (A) The fluid is non - viscous, homogeneous and incompressible (B) The velocity of flow is uniform over the section (C) The flow is continuous, steady and along the stream line (D) All of the above
Description : According to Euler’s column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends. (a) equal to (b) two times (c) four times (d) eight times
Last Answer : (c) four times
Description : Euler’s formula is not valid for mild steel column when slenderness ratio is (a) More than 100 (b) Less than 100 (c) Less than 80 (d)More than 80
Last Answer : (c) Less than 80
Description : Euler’s circles are diagrams representing ________ of the terms. A) distribution B) quality C) quantity D) meaning
Last Answer : A) distribution
Description : State four assumptions made in Euler’s theory.
Last Answer : 1. Compressive load on the column is exactly axial. 2. Material of the column is perfectly homogenous and isotropic. 3. Column is initially straight and of uniform lateral dimensions. 4. Self-weight of the ... . 7. The stresses do not exceed the limit of proportionality. 8. It obeys Hook's law.
Description : Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number. (A) Schmidt (B) Sherwood (C) Peclet (D) Stanton
Last Answer : (A) Schmidt
Description : Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number. (A) Sherwood (B) Schmidt (C) Peclet (D) Stanton
Last Answer : (A) Sherwood
Description : Sommerfeld number is (A) Similar to bearing characteristic number (B) Similar to Reynold’s number (C) Dimensionless parameter that contains all the design parameters (D) Used to find out dynamic load carrying capacity of the hydrodynamic bearing
Last Answer : (C) Dimensionless parameter that contains all the design parameters
Description : The dimensionless group in mass transfer that is equivalent to Prandtl number in heat transfer is (A) Nusselt number (B) Sherwood number (C) Schmidt number (D) Stanton numbe
Last Answer : (C) Schmidt number
Description : The friction factor is (A) Always inversely proportional to the Reynolds number (B) Not dimensionless (C) Not dependent on the roughness of the pipe (D) None of these
Last Answer : (D) None of these
Description : Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles of products number of moles of reactants) (A) (atm)Δx, when Δx is negative (B) (atm)Δx, when Δx is positive (C) Dimensionless, when Δx = 0 (D) (atm)Δx2, when Δx > 0
Last Answer : (D) (atm)Δx2, when Δx > 0
Description : Which of the following is dimensionless? a.Specific speed b.Specific volume c.Specific gravity d.Specific weight e.None of the above
Last Answer : c. Specific gravity
Description : State, whether all constants are dimensionless or unitless.
Last Answer : State, whether all constants are dimensionless or unitless.
Description : The work index in Bond's law for crushing of solids has the following dimensions (A) No units (dimensionless) (B) kWh/ton (C) kW/ton (D) kWh.m1/2 /ton
Last Answer : (B) kWh/ton
Description : Why the Equilibrium constant is taken as dimensionless?
Last Answer : Ans. Activities are used in place of molar Conc. These represent the concentration or pressure with respect to standard state.
Description : Dimensions of strain are A. [L] B. [M] [L]-1 [T]-2 C. [L]-1 D. It's a dimensionless quantity
Last Answer : It's a dimensionless quantity
Description : Fouling factor (A) Is a dimensionless quantity (B) Does not provide a safety factor for design (C) Accounts for additional resistances to heat flow (D) None of these
Last Answer : (C) Accounts for additional resistances to heat flow
Description : The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are (A) Re.Gz (B) Nu, Pr (C) Nu, Pr, Re (D) Nu, Gz
Last Answer : (D) Nu, Gz
Description : Which of the following is correct regarding isolation factor? a) Dimensionless quantity b) Has Newton as its unit c) Has joule as its Unit d) Has Hz as its unit
Last Answer : a) Dimensionless quantity
Description : Buckingham-π theorem states that in any physical problem includingn' quantities having 'm' dimensions, the quantities can be arranged into __________ independent dimensionless parameters. (A) m (B) n (C) n-m (D) n/m
Last Answer : (C) n-m
Description : Which of the following is a dimensionless parameter? (A) Angular velocity (B) Specific weight (C) Kinematic viscosity (D) None of these
Description : Which of the following is dimensionless? (A) Angular velocity (B) Fanning friction factor (C) Specific volume (D) None of these
Last Answer : (B) Fanning friction factor
Description : The unit of frequency factor in Arrhenius equation is (A) Same as that of rate constant (B) Same as that of activation energy (C) Dimensionless (D) None of these
Last Answer : (A) Same as that of rate constant
Description : The extent of a reaction is (A) Different for reactants and products (B) Dimensionless (C) Depends on the stoichiometric co-efficient (D) All of the above
Last Answer : (D) All of the above
Description : Pick out the wrong statement. (A) Activity co-efficient is dimensionless. (B) In case of an ideal gas, the fugacity is equal to its pressure. (C) In a mixture of ideal gases, the fugacity of ... equal to the partial pressure of the component. (D) The fugacity co-efficient is zero for an ideal gas
Last Answer : (D) The fugacity co-efficient is zero for an ideal gas
Description : Specific __________ is a dimensionless quantity. (A) Heat (B) Humidity (C) Weight (D) None of these
Description : Pick up the correct statement from the following: (A) Coefficient of compressibility is the decrease in void ratio per unit increase of pressure (B) The percent settlement at any time is called degree of consolidation (C) Time factor is a dimensionless quantity (D) All the above
Description : Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial pressure of B is 10-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant 'K' is (A) 10 atm-1 (B) 105 atm-1 (C) 10 (dimensionless) (D) 105 (dimensionless)
Last Answer : Option B
Description : Which of the following is dimensionless? (A) Specific weight (B) Specific volume (C) Specific speed (D) Specific gravity
Description : The compressibility factor, x, is used for predicting the behavior of nonideal gases. How is the compressibility ty factor defined relative to an ideal gas? (subscript c refers to critical value) A. ... compressibility factor, x, is an dimensionless constant given by pV=zRT. Therefore z = pV / RT
Last Answer : z = pV/ RT
Description : Consider the following statements. In case of flood routing in a river channel by Muskingum method, the coefficient x represents : 1. A dimensionless constant indicating the relative importance of inflow and outflow in determining storage ... , 3 and 4 only (c) 1, 2 and 3 only (d) 2, 3 and 4 only
Last Answer : (b) 1, 3 and 4 only
Description : The unit of relative permeability is (a) henry/metre (b) henry (c) henry/sq. m (d) it is dimensionless
Last Answer : (d) it is dimensionless
Description : SI unit of gain of amplifier is (a) Volt (b) ampere (c) coulomb (d) dimensionless
Last Answer : (d) dimensionless
Description : The dimension of strain is a) [L] b) [ML2T –2 ] c) [M L–1 T –2 ] d) Dimensionless
Last Answer : d) Dimensionless
Description : Which of the following is a dimensionless quantity? (a) Shear stress (b) Poison’s ratio (c) Strain (d) Both (b) and (c)
Last Answer : (d) Both (b) and (c)