Q. A differential manometer is used to measure

View solution

Q. The metacentric height of a ship is 0.6 m and the radius of gyration is 4 m. The time of rolling of a ship is

View solution

Q. The point at which the resultant pressure on an immersed surface acts, is known as

View solution

Q. A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be

View solution

Q. The torque required to overcome viscous resistance of a collar bearing is (where R1 and R2 = External and internal radius of collar)

View solution

Q. The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.

View solution

Q. In case of flow through parallel pipes,

View solution

Q. The flow at critical depth in an open channel is called torrential flow.

View solution

Q. The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film)

View solution

Q. Coefficient of velocity is defined as the ratio of

View solution

Q. The mass of 2.5 m³ of a certain liquid is 2 tonnes. Its mass density is

View solution

Q. The dynamic viscosity of the liquid __________ with rise in temperature.

View solution

Q. When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures.

View solution

Q. The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is

View solution

Q. When the Mach number is between __________ the flow is called super-sonic flow.

View solution

Q. A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension)

View solution

Q. An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice.

View solution

Q. The discharge over a rectangular notch is

View solution

Q. The volume of a fluid __________ as the pressure increases.

View solution

Q. The pressure of the liquid flowing through the divergent portion of a venturimeter

View solution