Related InterviewSolutions

• A car containing a beaker of water is moving horizontally on a level road. Consider two points, A & B, inside the water such that they are on the same horizontal level and are separated by a distance L. Which of the following options is correct regarding the pressure differences between those two points?(a) If car is accelerating with acceleration a, PA – PB = ρgL(b) If car is accelerating with acceleration a, PA – PB = 0(c) If car is moving with constant velocity, PA – PB = 0(d) If car is moving with constant acceleration a, PA – PB = ρ (g+a)LThis question was addressed to me at a job interview.My question is taken from Fluids Mechanical Properties Pressure in section Mechanical Properties of Fluids of Physics – Class 11
• In which of the following conditions can the Bernoulli equation not be used?(a) Viscous flow(b) incompressible fluid(c) steady flow(d) laminar flowThe question was posed to me in an interview for job.Origin of the question is Fluids Mechanical Properties in chapter Mechanical Properties of Fluids of Physics – Class 11
• Velocity has to be the same at the same horizontal level in case of steady laminar flow.(a) True(b) FalseI got this question in an interview for job.My doubt is from Fluids Mechanical Properties in division Mechanical Properties of Fluids of Physics – Class 11
• Coefficient of viscosity doesn’t depend on temperature because it is a property of the fluid. True or False?(a) True(b) FalseThe question was asked in class test.This interesting question is from Fluids Mechanical Properties in portion Mechanical Properties of Fluids of Physics – Class 11
• Pressure is a vector quantity. True or False?(a) True(b) FalseThis question was posed to me in an interview for job.Origin of the question is Fluids Mechanical Properties Pressure topic in division Mechanical Properties of Fluids of Physics – Class 11
• The SI unit of pressure is _____(a) Newton(b) Joule(c) Pascal(d) WattThe question was asked in unit test.My doubt stems from Fluids Mechanical Properties Pressure in portion Mechanical Properties of Fluids of Physics – Class 11
• In a closed pipe of radius R, fluid (having some viscosity) is flowing laminarly. Which point along a cross section will have maximum speed?(a) Centre(b) Near the wall of pipe(c) R/2 from centre(d) All points will have same speedThe question was posed to me by my college director while I was bunking the class.I would like to ask this question from Fluids Mechanical Properties topic in division Mechanical Properties of Fluids of Physics – Class 11
• Surface energy is ________________(a) kinetic energy of the surface molecules(b) the force per unit length acting on surface particles(c) the energy of the molecules inside the beaker(d) the extra energy that the molecules at the surface have relative to molecules inside the liquidThis question was posed to me in semester exam.The origin of the question is Fluids Mechanical Properties topic in section Mechanical Properties of Fluids of Physics – Class 11
• A nail is made pointed at its end to ensure that pressure is more for a given amount of force applied on it. True or False?(a) True(b) FalseThe question was asked in semester exam.Asked question is from Fluids Mechanical Properties Pressure topic in section Mechanical Properties of Fluids of Physics – Class 11
• A cylindrical tank, filled with water, has an area of 10m^2. A piston covers its entire top surface. A uniformly distributed load of 1000N is applied on the piston from top. A hole of area 0.001m^2is at the bottom of the tank. Find the speed of efflux when the height of water level is 0.1m .(a) 24.5m/s(b) 1.48m/s(c) 0.2m/s(d) 2m/sI got this question during an online interview.The origin of the question is Fluids Mechanical Properties topic in section Mechanical Properties of Fluids of Physics – Class 11