The best guide to judge the general quality of water is the measurement of its

The following is employed as sacrificial anode to provide cathodic protection to ships, pipelines and storage tanks.

Which of the following is not a principal alloying element for the structural steel?

Load cells used for the measurement of weight has

__________ is used for tying the steel coloumns to concrete foundation.

Thermit welding uses the following energy source.

Blast furnace slag is mainly molten

A jet engine turbine blade is normally manufactured by

The leaching solvent used in Baeyer's process for the purification of bauxite is

Cathodic protection is widely used in controlling corrosion in

Methyl orange indicator turns

Which of the following is a commonly used manometric liquid for low pressure range?

Silicon in steel

Pick out the correct combination about the role of various additives used in polymers.

Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

In a good rimming steel

Which of the following does not have a sharp melting point ?

Steel balls are manufactured by

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

Wrought iron is not

Heat transfer by __________ is almost absent in case of fluidised bed drying operation.

Metalloids

While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.

Fatigue resistance of a material is measured by the

The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the

Stainless steel is welded using

Austempering process results in the formation of __________ structure.

The highest stress that a material can withstand for a specified length of time without excessive deformation is called the __________ strength.

The lightest non-inflammable gas is

Nitriding of a steel part does not increase its

"'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

__________ fluid force is not considered in the Navier-Stokes equation.

The best lubricants for a machine working at high temperature & load is

Which of the following is the largest quantum of pressure?

Increasing the carbon content of steel

Pick out the wrong statement

For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

__________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten.

Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.
A. Induced draft fan B. Economiser C. Air preheater D. Steam superheater
Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories ?

The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C inhours is __________ BTU/hr.

__________ of grey cast iron produces white cast iron.

As the fluid flow rate increases, the float of the rotameter

What is the value of entropy at 273°K ?

One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W . m^-1 . k^-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is

Which of the following is not a charge material for cupola ?

Which of the following is an undesirable property of slag produced during the pyrometallurgical method of metal extraction from its ore ?

Lead is poured into the joints between two __________ pipes.

'Ice point' is designated on Farenhite temperature scale by

A dense structure of grinding wheel is not used for the

Case hardening of a material is