Which of the following is the unit of kinematic viscosity _________________?

Consider the following processes:
1. Extension of a spring
2. Plastic deformation of a material
3. Magnetization of a material exhibiting hysteresis
Which of the above process are irreversible?

Which of the following statements are correct for a throttling process?
1. It is an adiabatic steady flow process
2. The enthalpy before and after throttling is same
3. In the processes, due to fall in pressure, the fluid velocity at outlet is always more than inlet velocity

A Reversed Carnot Engine removes 50 kW from a heat sink. The temperature of the heat sink is 250 K and the temperature of the heat reservoir is 300 K. The power required of the engine is

A heat engine receives heat at the rate of 2500 kJ/min and gives an output of 12.4 kW. Its thermal efficiency is, nearly

Consider the following motions :
1. Piston reciprocating inside an engine cylinder
2. Motion of a shaft between foot-step bearings
Which of the above can rightly be considered as successfully constrained motion?

A rotor weighing 2 kN is supported on bearings A and B which are 1 m apart. The centre of mass of the rotor is at a distance 0.4 m from bearing A. It is observed that there is an unbalanced couple of magnitude 300 N-m which leaves the shaft balanced statically.The dynamic reactions at the supports will be

A cam is a mechanical member used to impart a desired motion to a follower by direct contact. Which one of the under-listed follower motion types will produce the least jerk to the system?

In a circular are cam with a roller follower, acceleration of the follower depends on
1. cam speed and location of centre of circular arc
2. roller diameter and radius of circular arc
Which of the above is/are correct?

A manufacturing company is selling a product for 15 per unit with variable cost of  10 per unit. The fixed cost of the asset is 50,000. How many units should be produced to breakeven?

A spherical waterdrop of 1 mm in diameter splits up in air into 64 smaller drops of equal size. The surface tension coefficient of water in air is 0.073 N/m. The work required in splitting up the drop is

Consider the following statements pertaining to stability of floating bodies:
1. A floating body will be stable when the centre of gravity is above the centre of buoyancy.
2. The position of metacentres corresponding to different axes of rotation are generally different for the same floating object.
3. For cargo ships, the metacentric height varies with loading.
Which of the above statements are correct?

Water is coming out from a tap and falls vertically downwards. At the tap opening, the stream diameter is 20 mm with uniform velocity of 2 m/s. Assuming steady inviscid flow, constant pressure atmosphere everywhere, and neglecting curvature and surface tension effects, the diameter of the stream 0.5 m below the tap opening is nearly

Consider the following statements:
1. At low Reynolds numbers of any flow, viscous forces dominate over inertial forces.
2. Transition from laminar to turbulent flow occurs over a range of Reynolds numbers depending on the surface presented to the flow.
Which of the above statements is/are correct?

In a steady laminar flow of a given discharge through a circular pipe of diameter D, the head loss is proportional to

A fin will be more effective when Bio number is

A tank of length, breadth and height in the ratio of 2:1:2 is full of water. The ratio of hydrostatic force at the bottom to that at any larger vertical surface is

Which of the following fluids exhibit a certain shear stress at zero shear strain rate followed by a straight line relationship between shear stress and shear strain rate?

What is the specific gravity of a marble stone, which weighs 400N in air, and 200N in water? (g=10m/s²)

What is the intensity of pressure in the following SI units, when specific gravity of mercury is 13.6 and the intensity of pressure is 400KPa ?

If a submerged body displaced from its equilibrium position, returns to its original position, it is called __________.

In a flow measurement, a venturi meter is preferred over an orifice plate because _____.

Pitot tube measures ______.

Which of the following is not a property of an ideal fluid ?

Nozzle used in steam turbines convert ________.

Which of the following assumptions is the most relevant in air-standard cycle analysis ?

The modern Francis turbine is a ___________flow turbine .

Variation of stress with strain rate for a Newtonian fluid is ______ .

Which of the following is NOT a part of refrigeration systems ?

Which of the following is NOT an intensive property ?

Which of the following does NOT represent a unit of viscosity ?

__________ in the fuel is oxidised during knocking .

_________ is defined as the ability of a material to resist deformation under action of an external load .

Draught is produced in locomotive boilers by which of the following components ?

For a steady flow, the value of all fluid properties at any fixed point _________ .

For a floating body, if the metacentre is below the centre of gravity, then the body is said to be __________ equilibrium .

________ is useful for measuring flow of a conducting fluid .

A two- stroke engine consists of ________ port (s)

Air Cooling is mostly preferred for _________ .

_______ valves are provided in reciprocating compressors .

What is the primary purpose of instrumentation in industrial settings?

Which of the following is NOT a type of measuring instrument?

Which type of instrument is used to measure temperature?

What does a pressure transducer measure?

A flow meter is used to measure which of the following?

What is an ideal fluid?

What is a real fluid?

What are Newtonian fluids?

What are Non-Newtonian fluids?

What is the SI unit of mass density?